From a478111eaac5afbe1fa35cc5a7b72a8e37d0af60 Mon Sep 17 00:00:00 2001
From: Sergei Morozov <morozov@tut.by>
Date: Thu, 20 Oct 2022 07:50:30 -0700
Subject: [PATCH] Remove extension via Doctrine Event Manager

---
 composer.json                                 |   1 -
 psalm.xml.dist                                |  65 -----
 src/Connection.php                            |  97 +------
 .../PrimaryReadReplicaConnection.php          |  26 +-
 src/DriverManager.php                         |  19 +-
 src/Event/ConnectionEventArgs.php             |  25 --
 src/Event/Listeners/OracleSessionInit.php     |  75 ------
 src/Event/Listeners/SQLSessionInit.php        |  36 ---
 src/Event/Listeners/SQLiteSessionInit.php     |  28 --
 .../SchemaAlterTableAddColumnEventArgs.php    |  59 -----
 .../SchemaAlterTableChangeColumnEventArgs.php |  59 -----
 src/Event/SchemaAlterTableEventArgs.php       |  50 ----
 .../SchemaAlterTableRemoveColumnEventArgs.php |  59 -----
 .../SchemaAlterTableRenameColumnEventArgs.php |  65 -----
 src/Event/SchemaColumnDefinitionEventArgs.php |  66 -----
 .../SchemaCreateTableColumnEventArgs.php      |  59 -----
 src/Event/SchemaCreateTableEventArgs.php      |  70 -----
 src/Event/SchemaDropTableEventArgs.php        |  44 ----
 src/Event/SchemaEventArgs.php                 |  30 ---
 src/Event/SchemaIndexDefinitionEventArgs.php  |  59 -----
 src/Event/TransactionBeginEventArgs.php       |  10 -
 src/Event/TransactionCommitEventArgs.php      |  10 -
 src/Event/TransactionEventArgs.php            |  21 --
 src/Event/TransactionRollBackEventArgs.php    |  10 -
 src/Events.php                                |  66 -----
 src/Platforms/AbstractMySQLPlatform.php       |  36 +--
 src/Platforms/AbstractPlatform.php            | 247 ------------------
 src/Platforms/DB2Platform.php                 |  48 +---
 src/Platforms/OraclePlatform.php              |  35 +--
 src/Platforms/PostgreSQLPlatform.php          |  35 +--
 src/Platforms/SQLServerPlatform.php           |  27 +-
 src/Platforms/SQLitePlatform.php              |  90 +++----
 src/Schema/AbstractSchemaManager.php          |  76 +-----
 tests/ConnectionTest.php                      | 167 ------------
 tests/Events/OracleSessionInitTest.php        |  59 -----
 tests/Events/SQLSessionInitTest.php           |  33 ---
 tests/Functional/ConnectionTest.php           |   3 -
 .../Functional/Driver/AbstractDriverTest.php  |   1 -
 .../Driver/PDO/PgSQL/ConnectionTest.php       |   1 -
 .../Functional/Driver/SQLite3/DriverTest.php  |   2 -
 .../SchemaManagerFunctionalTestCase.php       |  42 ---
 tests/Platforms/AbstractPlatformTestCase.php  |  94 -------
 tests/Query/QueryBuilderTest.php              |   6 -
 tests/Schema/MySQLInheritCharsetTest.php      |   5 +-
 44 files changed, 95 insertions(+), 2021 deletions(-)
 delete mode 100644 src/Event/ConnectionEventArgs.php
 delete mode 100644 src/Event/Listeners/OracleSessionInit.php
 delete mode 100644 src/Event/Listeners/SQLSessionInit.php
 delete mode 100644 src/Event/Listeners/SQLiteSessionInit.php
 delete mode 100644 src/Event/SchemaAlterTableAddColumnEventArgs.php
 delete mode 100644 src/Event/SchemaAlterTableChangeColumnEventArgs.php
 delete mode 100644 src/Event/SchemaAlterTableEventArgs.php
 delete mode 100644 src/Event/SchemaAlterTableRemoveColumnEventArgs.php
 delete mode 100644 src/Event/SchemaAlterTableRenameColumnEventArgs.php
 delete mode 100644 src/Event/SchemaColumnDefinitionEventArgs.php
 delete mode 100644 src/Event/SchemaCreateTableColumnEventArgs.php
 delete mode 100644 src/Event/SchemaCreateTableEventArgs.php
 delete mode 100644 src/Event/SchemaDropTableEventArgs.php
 delete mode 100644 src/Event/SchemaEventArgs.php
 delete mode 100644 src/Event/SchemaIndexDefinitionEventArgs.php
 delete mode 100644 src/Event/TransactionBeginEventArgs.php
 delete mode 100644 src/Event/TransactionCommitEventArgs.php
 delete mode 100644 src/Event/TransactionEventArgs.php
 delete mode 100644 src/Event/TransactionRollBackEventArgs.php
 delete mode 100644 src/Events.php
 delete mode 100644 tests/Events/OracleSessionInitTest.php
 delete mode 100644 tests/Events/SQLSessionInitTest.php

diff --git a/composer.json b/composer.json
index 8a4434784a2..7ad2cf16536 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,6 @@
         "php": "^8.1",
         "composer-runtime-api": "^2",
         "doctrine/deprecations": "^0.5.3|^1",
-        "doctrine/event-manager": "^1|^2",
         "psr/cache": "^1|^2|^3",
         "psr/log": "^1|^2|^3"
     },
diff --git a/psalm.xml.dist b/psalm.xml.dist
index 6ea37fdf0b2..0de81952fd5 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -32,52 +32,6 @@
                 <file name="src/Driver/OCI8/ConvertPositionalToNamedPlaceholders.php"/>
             </errorLevel>
         </ConflictingReferenceConstraint>
-        <DeprecatedClass>
-            <errorLevel type="suppress">
-                <!--
-                    TODO: remove in 4.0.0
-                -->
-                <referencedClass name="Doctrine\DBAL\Event\SchemaAlterTableAddColumnEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaAlterTableChangeColumnEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaAlterTableEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaAlterTableRemoveColumnEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaAlterTableRenameColumnEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaCreateTableColumnEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaCreateTableEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaDropTableEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaColumnDefinitionEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\SchemaIndexDefinitionEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\TransactionEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\TransactionBeginEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\TransactionCommitEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\TransactionRollBackEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\ConnectionEventArgs"/>
-                <referencedClass name="Doctrine\DBAL\Event\Listeners\OracleSessionInit"/>
-                <referencedClass name="Doctrine\DBAL\Event\Listeners\SQLSessionInit"/>
-                <referencedClass name="Doctrine\DBAL\Event\Listeners\SQLiteSessionInit"/>
-                <referencedClass name="Doctrine\DBAL\Events"/>
-            </errorLevel>
-        </DeprecatedClass>
-        <DeprecatedConstant>
-            <errorLevel type="suppress">
-                <!--
-                    TODO: remove in 4.0.0
-                -->
-                <file name="src/Connection.php"/>
-                <file name="src/Connections/PrimaryReadReplicaConnection.php"/>
-                <file name="src/Event/Listeners/OracleSessionInit.php"/>
-                <file name="src/Event/Listeners/SQLSessionInit.php"/>
-                <file name="src/Event/Listeners/SQLiteSessionInit.php"/>
-                <file name="src/Platforms/AbstractPlatform.php"/>
-                <file name="src/Schema/AbstractSchemaManager.php"/>
-                <file name="tests/ConnectionTest.php"/>
-                <file name="tests/Events/OracleSessionInitTest.php"/>
-                <file name="tests/Events/SQLSessionInitTest.php"/>
-                <file name="tests/Functional/Schema/SchemaManagerFunctionalTestCase.php"/>
-                <file name="tests/Platforms/AbstractPlatformTestCase.php"/>
-            </errorLevel>
-        </DeprecatedConstant>
         <DeprecatedMethod>
             <errorLevel type="suppress">
                 <!--
@@ -85,27 +39,8 @@
                     See https://github.com/doctrine/dbal/pull/4317
                 -->
                 <file name="tests/Functional/LegacyAPITest.php"/>
-                <!--
-                    TODO: remove in 4.0.0
-                -->
-                <referencedMethod name="Doctrine\DBAL\Query\QueryBuilder::getConnection"/>
-                <!--
-                    TODO: remove in 4.0.0
-                -->
-                <referencedMethod name="Doctrine\DBAL\Connection::getEventManager"/>
-                <referencedMethod name="Doctrine\DBAL\Platforms\AbstractPlatform::getEventManager"/>
-                <referencedMethod name="Doctrine\DBAL\Platforms\AbstractPlatform::setEventManager"/>
             </errorLevel>
         </DeprecatedMethod>
-        <DeprecatedProperty>
-            <errorLevel type="suppress">
-                <!--
-                    TODO: remove in 4.0.0
-                -->
-                <referencedProperty name="Doctrine\DBAL\Connection::$_eventManager"/>
-                <referencedProperty name="Doctrine\DBAL\Platforms\AbstractPlatform::$_eventManager"/>
-            </errorLevel>
-        </DeprecatedProperty>
         <DocblockTypeContradiction>
             <errorLevel type="suppress">
                 <!--
diff --git a/src/Connection.php b/src/Connection.php
index 68008040510..b416816c2af 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -5,7 +5,6 @@
 namespace Doctrine\DBAL;
 
 use Closure;
-use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Cache\ArrayResult;
 use Doctrine\DBAL\Cache\CacheException;
 use Doctrine\DBAL\Cache\Exception\NoResultDriverConfigured;
@@ -14,9 +13,6 @@
 use Doctrine\DBAL\Driver\API\ExceptionConverter;
 use Doctrine\DBAL\Driver\Connection as DriverConnection;
 use Doctrine\DBAL\Driver\Statement as DriverStatement;
-use Doctrine\DBAL\Event\TransactionBeginEventArgs;
-use Doctrine\DBAL\Event\TransactionCommitEventArgs;
-use Doctrine\DBAL\Event\TransactionRollBackEventArgs;
 use Doctrine\DBAL\Exception\CommitFailedRollbackOnly;
 use Doctrine\DBAL\Exception\ConnectionLost;
 use Doctrine\DBAL\Exception\DriverException;
@@ -43,7 +39,7 @@
 use function sprintf;
 
 /**
- * A database abstraction-level connection that implements features like events, transaction isolation levels,
+ * A database abstraction-level connection that implements features like transaction isolation levels,
  * configuration, emulated transaction nesting, lazy connecting and more.
  *
  * @psalm-import-type Params from DriverManager
@@ -73,9 +69,6 @@ class Connection implements ServerVersionProvider
 
     protected Configuration $_config;
 
-    /** @deprecated */
-    protected EventManager $_eventManager;
-
     /**
      * The current auto-commit mode of this connection.
      */
@@ -117,10 +110,9 @@ class Connection implements ServerVersionProvider
      *
      * @internal The connection can be only instantiated by the driver manager.
      *
-     * @param array<string, mixed> $params       The connection parameters.
-     * @param Driver               $driver       The driver to use.
-     * @param Configuration|null   $config       The configuration, optional.
-     * @param EventManager|null    $eventManager The event manager, optional.
+     * @param array<string, mixed> $params The connection parameters.
+     * @param Driver               $driver The driver to use.
+     * @param Configuration|null   $config The configuration, optional.
      * @psalm-param Params $params
      * @phpstan-param array<string,mixed> $params
      */
@@ -128,12 +120,10 @@ public function __construct(
         array $params,
         protected Driver $driver,
         ?Configuration $config = null,
-        ?EventManager $eventManager = null,
     ) {
-        $this->_config       = $config ?? new Configuration();
-        $this->_eventManager = $eventManager ?? new EventManager();
-        $this->params        = $params;
-        $this->autoCommit    = $this->_config->getAutoCommit();
+        $this->_config    = $config ?? new Configuration();
+        $this->params     = $params;
+        $this->autoCommit = $this->_config->getAutoCommit();
     }
 
     /**
@@ -185,23 +175,6 @@ public function getConfiguration(): Configuration
         return $this->_config;
     }
 
-    /**
-     * Gets the EventManager used by the Connection.
-     *
-     * @deprecated
-     */
-    public function getEventManager(): EventManager
-    {
-        Deprecation::triggerIfCalledFromOutside(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            '%s is deprecated.',
-            __METHOD__,
-        );
-
-        return $this->_eventManager;
-    }
-
     /**
      * Gets the DatabasePlatform for the connection.
      *
@@ -217,7 +190,6 @@ public function getDatabasePlatform(): AbstractPlatform
             }
 
             $this->platform = $this->driver->getDatabasePlatform($versionProvider);
-            $this->platform->setEventManager($this->_eventManager);
         }
 
         return $this->platform;
@@ -252,18 +224,6 @@ protected function connect(): DriverConnection
             $this->beginTransaction();
         }
 
-        if ($this->_eventManager->hasListeners(Events::postConnect)) {
-            Deprecation::trigger(
-                'doctrine/dbal',
-                'https://github.com/doctrine/dbal/issues/5784',
-                'Subscribing to %s events is deprecated. Implement a middleware instead.',
-                Events::postConnect,
-            );
-
-            $eventArgs = new Event\ConnectionEventArgs($this);
-            $this->_eventManager->dispatchEvent(Events::postConnect, $eventArgs);
-        }
-
         return $connection;
     }
 
@@ -1026,21 +986,6 @@ public function beginTransaction(): void
         } else {
             $this->createSavepoint($this->_getNestedTransactionSavePointName());
         }
-
-        $eventManager = $this->getEventManager();
-
-        if (! $eventManager->hasListeners(Events::onTransactionBegin)) {
-            return;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onTransactionBegin,
-        );
-
-        $eventManager->dispatchEvent(Events::onTransactionBegin, new TransactionBeginEventArgs($this));
     }
 
     /** @throws Exception */
@@ -1068,19 +1013,6 @@ public function commit(): void
 
         --$this->transactionNestingLevel;
 
-        $eventManager = $this->getEventManager();
-
-        if ($eventManager->hasListeners(Events::onTransactionCommit)) {
-            Deprecation::trigger(
-                'doctrine/dbal',
-                'https://github.com/doctrine/dbal/issues/5784',
-                'Subscribing to %s events is deprecated.',
-                Events::onTransactionCommit,
-            );
-
-            $eventManager->dispatchEvent(Events::onTransactionCommit, new TransactionCommitEventArgs($this));
-        }
-
         if ($this->autoCommit !== false || $this->transactionNestingLevel !== 0) {
             return;
         }
@@ -1135,21 +1067,6 @@ public function rollBack(): void
             $this->rollbackSavepoint($this->_getNestedTransactionSavePointName());
             --$this->transactionNestingLevel;
         }
-
-        $eventManager = $this->getEventManager();
-
-        if (! $eventManager->hasListeners(Events::onTransactionRollBack)) {
-            return;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onTransactionRollBack,
-        );
-
-        $eventManager->dispatchEvent(Events::onTransactionRollBack, new TransactionRollBackEventArgs($this));
     }
 
     /**
diff --git a/src/Connections/PrimaryReadReplicaConnection.php b/src/Connections/PrimaryReadReplicaConnection.php
index 66882fe1246..b3a86469037 100644
--- a/src/Connections/PrimaryReadReplicaConnection.php
+++ b/src/Connections/PrimaryReadReplicaConnection.php
@@ -4,18 +4,14 @@
 
 namespace Doctrine\DBAL\Connections;
 
-use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Driver\Connection as DriverConnection;
 use Doctrine\DBAL\Driver\Exception as DriverException;
 use Doctrine\DBAL\DriverManager;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Statement;
-use Doctrine\Deprecations\Deprecation;
 use InvalidArgumentException;
 
 use function array_rand;
@@ -100,12 +96,8 @@ class PrimaryReadReplicaConnection extends Connection
      * @psalm-param Params $params
      * @phpstan-param array<string,mixed> $params
      */
-    public function __construct(
-        array $params,
-        Driver $driver,
-        ?Configuration $config = null,
-        ?EventManager $eventManager = null,
-    ) {
+    public function __construct(array $params, Driver $driver, ?Configuration $config = null)
+    {
         if (! isset($params['replica'], $params['primary'])) {
             throw new InvalidArgumentException('primary or replica configuration missing');
         }
@@ -124,7 +116,7 @@ public function __construct(
 
         $this->keepReplica = ! empty($params['keepReplica']);
 
-        parent::__construct($params, $driver, $config, $eventManager);
+        parent::__construct($params, $driver, $config);
     }
 
     /**
@@ -191,18 +183,6 @@ protected function performConnect(?string $connectionName = null): DriverConnect
             $this->connections['replica'] = $this->_conn = $this->connectTo($connectionName);
         }
 
-        if ($this->_eventManager->hasListeners(Events::postConnect)) {
-            Deprecation::trigger(
-                'doctrine/dbal',
-                'https://github.com/doctrine/dbal/issues/5784',
-                'Subscribing to %s events is deprecated. Implement a middleware instead.',
-                Events::postConnect,
-            );
-
-            $eventArgs = new ConnectionEventArgs($this);
-            $this->_eventManager->dispatchEvent(Events::postConnect, $eventArgs);
-        }
-
         return $this->_conn;
     }
 
diff --git a/src/DriverManager.php b/src/DriverManager.php
index 281fd241247..d09883d4422 100644
--- a/src/DriverManager.php
+++ b/src/DriverManager.php
@@ -4,7 +4,6 @@
 
 namespace Doctrine\DBAL;
 
-use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Driver\IBMDB2;
 use Doctrine\DBAL\Driver\Mysqli;
 use Doctrine\DBAL\Driver\OCI8;
@@ -133,8 +132,7 @@ private function __construct()
      * <b>driverClass</b>:
      * The driver class to use.
      *
-     * @param Configuration|null $config       The configuration to use.
-     * @param EventManager|null  $eventManager The event manager to use.
+     * @param Configuration|null $config The configuration to use.
      * @psalm-param array{
      *     charset?: string,
      *     dbname?: string,
@@ -162,15 +160,10 @@ private function __construct()
      *
      * @template T of Connection
      */
-    public static function getConnection(
-        array $params,
-        ?Configuration $config = null,
-        ?EventManager $eventManager = null,
-    ): Connection {
-        // create default config and event manager, if not set
-        $config       ??= new Configuration();
-        $eventManager ??= new EventManager();
-        $params         = self::parseDatabaseUrl($params);
+    public static function getConnection(array $params, ?Configuration $config = null): Connection
+    {
+        $config ??= new Configuration();
+        $params   = self::parseDatabaseUrl($params);
 
         // URL support for PrimaryReplicaConnection
         if (isset($params['primary'])) {
@@ -199,7 +192,7 @@ public static function getConnection(
             $wrapperClass = $params['wrapperClass'];
         }
 
-        return new $wrapperClass($params, $driver, $config, $eventManager);
+        return new $wrapperClass($params, $driver, $config);
     }
 
     /**
diff --git a/src/Event/ConnectionEventArgs.php b/src/Event/ConnectionEventArgs.php
deleted file mode 100644
index 533579fb34f..00000000000
--- a/src/Event/ConnectionEventArgs.php
+++ /dev/null
@@ -1,25 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\Common\EventArgs;
-use Doctrine\DBAL\Connection;
-
-/**
- * Event Arguments used when a Driver connection is established inside Doctrine\DBAL\Connection.
- *
- * @deprecated
- */
-class ConnectionEventArgs extends EventArgs
-{
-    public function __construct(private readonly Connection $connection)
-    {
-    }
-
-    public function getConnection(): Connection
-    {
-        return $this->connection;
-    }
-}
diff --git a/src/Event/Listeners/OracleSessionInit.php b/src/Event/Listeners/OracleSessionInit.php
deleted file mode 100644
index e3f9863f046..00000000000
--- a/src/Event/Listeners/OracleSessionInit.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event\Listeners;
-
-use Doctrine\Common\EventSubscriber;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Events;
-use Doctrine\DBAL\Exception;
-
-use function array_change_key_case;
-use function array_merge;
-use function count;
-use function implode;
-
-use const CASE_UPPER;
-
-/**
- * Should be used when Oracle Server default environment does not match the Doctrine requirements.
- *
- * The following environment variables are required for the Doctrine default date format:
- *
- * NLS_TIME_FORMAT="HH24:MI:SS"
- * NLS_DATE_FORMAT="YYYY-MM-DD HH24:MI:SS"
- * NLS_TIMESTAMP_FORMAT="YYYY-MM-DD HH24:MI:SS"
- * NLS_TIMESTAMP_TZ_FORMAT="YYYY-MM-DD HH24:MI:SS TZH:TZM"
- *
- * @deprecated Use {@see \Doctrine\DBAL\Driver\OCI8\Middleware\InitializeSession} instead.
- */
-class OracleSessionInit implements EventSubscriber
-{
-    /** @var array<string, string> */
-    protected array $_defaultSessionVars = [
-        'NLS_TIME_FORMAT' => 'HH24:MI:SS',
-        'NLS_DATE_FORMAT' => 'YYYY-MM-DD HH24:MI:SS',
-        'NLS_TIMESTAMP_FORMAT' => 'YYYY-MM-DD HH24:MI:SS',
-        'NLS_TIMESTAMP_TZ_FORMAT' => 'YYYY-MM-DD HH24:MI:SS TZH:TZM',
-        'NLS_NUMERIC_CHARACTERS' => '.,',
-    ];
-
-    /** @param array<string, string> $oracleSessionVars */
-    public function __construct(array $oracleSessionVars = [])
-    {
-        $this->_defaultSessionVars = array_merge($this->_defaultSessionVars, $oracleSessionVars);
-    }
-
-    /** @throws Exception */
-    public function postConnect(ConnectionEventArgs $args): void
-    {
-        if (count($this->_defaultSessionVars) === 0) {
-            return;
-        }
-
-        $vars = [];
-        foreach (array_change_key_case($this->_defaultSessionVars, CASE_UPPER) as $option => $value) {
-            if ($option === 'CURRENT_SCHEMA') {
-                $vars[] = $option . ' = ' . $value;
-            } else {
-                $vars[] = $option . " = '" . $value . "'";
-            }
-        }
-
-        $sql = 'ALTER SESSION SET ' . implode(' ', $vars);
-        $args->getConnection()->executeStatement($sql);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getSubscribedEvents(): array
-    {
-        return [Events::postConnect];
-    }
-}
diff --git a/src/Event/Listeners/SQLSessionInit.php b/src/Event/Listeners/SQLSessionInit.php
deleted file mode 100644
index cd460e42e7e..00000000000
--- a/src/Event/Listeners/SQLSessionInit.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event\Listeners;
-
-use Doctrine\Common\EventSubscriber;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Events;
-use Doctrine\DBAL\Exception;
-
-/**
- * Session init listener for executing a single SQL statement right after a connection is opened.
- *
- * @deprecated Implement a middleware instead.
- */
-class SQLSessionInit implements EventSubscriber
-{
-    public function __construct(protected string $sql)
-    {
-    }
-
-    /** @throws Exception */
-    public function postConnect(ConnectionEventArgs $args): void
-    {
-        $args->getConnection()->executeStatement($this->sql);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getSubscribedEvents(): array
-    {
-        return [Events::postConnect];
-    }
-}
diff --git a/src/Event/Listeners/SQLiteSessionInit.php b/src/Event/Listeners/SQLiteSessionInit.php
deleted file mode 100644
index 634e1506741..00000000000
--- a/src/Event/Listeners/SQLiteSessionInit.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event\Listeners;
-
-use Doctrine\Common\EventSubscriber;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Events;
-use Doctrine\DBAL\Exception;
-
-/** @deprecated Use {@see \Doctrine\DBAL\Driver\AbstractSQLiteDriver\Middleware\EnableForeignKeys} instead. */
-class SQLiteSessionInit implements EventSubscriber
-{
-    /** @throws Exception */
-    public function postConnect(ConnectionEventArgs $args): void
-    {
-        $args->getConnection()->executeStatement('PRAGMA foreign_keys=ON');
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function getSubscribedEvents()
-    {
-        return [Events::postConnect];
-    }
-}
diff --git a/src/Event/SchemaAlterTableAddColumnEventArgs.php b/src/Event/SchemaAlterTableAddColumnEventArgs.php
deleted file mode 100644
index 7cf71a31f04..00000000000
--- a/src/Event/SchemaAlterTableAddColumnEventArgs.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\Column;
-use Doctrine\DBAL\Schema\TableDiff;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for adding table columns are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaAlterTableAddColumnEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    public function __construct(
-        private readonly Column $column,
-        private readonly TableDiff $tableDiff,
-        private readonly AbstractPlatform $platform,
-    ) {
-    }
-
-    public function getColumn(): Column
-    {
-        return $this->column;
-    }
-
-    public function getTableDiff(): TableDiff
-    {
-        return $this->tableDiff;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaAlterTableChangeColumnEventArgs.php b/src/Event/SchemaAlterTableChangeColumnEventArgs.php
deleted file mode 100644
index 10a484f0336..00000000000
--- a/src/Event/SchemaAlterTableChangeColumnEventArgs.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\ColumnDiff;
-use Doctrine\DBAL\Schema\TableDiff;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for changing table columns are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaAlterTableChangeColumnEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    public function __construct(
-        private readonly ColumnDiff $columnDiff,
-        private readonly TableDiff $tableDiff,
-        private readonly AbstractPlatform $platform,
-    ) {
-    }
-
-    public function getColumnDiff(): ColumnDiff
-    {
-        return $this->columnDiff;
-    }
-
-    public function getTableDiff(): TableDiff
-    {
-        return $this->tableDiff;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaAlterTableEventArgs.php b/src/Event/SchemaAlterTableEventArgs.php
deleted file mode 100644
index 424abd98237..00000000000
--- a/src/Event/SchemaAlterTableEventArgs.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\TableDiff;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for creating tables are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaAlterTableEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    public function __construct(private readonly TableDiff $tableDiff, private readonly AbstractPlatform $platform)
-    {
-    }
-
-    public function getTableDiff(): TableDiff
-    {
-        return $this->tableDiff;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaAlterTableRemoveColumnEventArgs.php b/src/Event/SchemaAlterTableRemoveColumnEventArgs.php
deleted file mode 100644
index 8cd2d91d684..00000000000
--- a/src/Event/SchemaAlterTableRemoveColumnEventArgs.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\Column;
-use Doctrine\DBAL\Schema\TableDiff;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for removing table columns are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaAlterTableRemoveColumnEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    public function __construct(
-        private readonly Column $column,
-        private readonly TableDiff $tableDiff,
-        private readonly AbstractPlatform $platform,
-    ) {
-    }
-
-    public function getColumn(): Column
-    {
-        return $this->column;
-    }
-
-    public function getTableDiff(): TableDiff
-    {
-        return $this->tableDiff;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaAlterTableRenameColumnEventArgs.php b/src/Event/SchemaAlterTableRenameColumnEventArgs.php
deleted file mode 100644
index e8553c22ad4..00000000000
--- a/src/Event/SchemaAlterTableRenameColumnEventArgs.php
+++ /dev/null
@@ -1,65 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\Column;
-use Doctrine\DBAL\Schema\TableDiff;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for renaming table columns are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaAlterTableRenameColumnEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    public function __construct(
-        private readonly string $oldColumnName,
-        private readonly Column $column,
-        private readonly TableDiff $tableDiff,
-        private readonly AbstractPlatform $platform,
-    ) {
-    }
-
-    public function getOldColumnName(): string
-    {
-        return $this->oldColumnName;
-    }
-
-    public function getColumn(): Column
-    {
-        return $this->column;
-    }
-
-    public function getTableDiff(): TableDiff
-    {
-        return $this->tableDiff;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaColumnDefinitionEventArgs.php b/src/Event/SchemaColumnDefinitionEventArgs.php
deleted file mode 100644
index 4c518211001..00000000000
--- a/src/Event/SchemaColumnDefinitionEventArgs.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Schema\Column;
-
-/**
- * Event Arguments used when the portable column definition is generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaColumnDefinitionEventArgs extends SchemaEventArgs
-{
-    private ?Column $column = null;
-
-    /** @param array<string, mixed> $tableColumn */
-    public function __construct(
-        private readonly array $tableColumn,
-        private readonly string $table,
-        private readonly string $database,
-        private readonly Connection $connection,
-    ) {
-    }
-
-    /**
-     * Allows to clear the column which means the column will be excluded from
-     * tables column list.
-     *
-     * @return $this
-     */
-    public function setColumn(?Column $column): self
-    {
-        $this->column = $column;
-
-        return $this;
-    }
-
-    public function getColumn(): ?Column
-    {
-        return $this->column;
-    }
-
-    /** @return array<string, mixed> */
-    public function getTableColumn(): array
-    {
-        return $this->tableColumn;
-    }
-
-    public function getTable(): string
-    {
-        return $this->table;
-    }
-
-    public function getDatabase(): string
-    {
-        return $this->database;
-    }
-
-    public function getConnection(): Connection
-    {
-        return $this->connection;
-    }
-}
diff --git a/src/Event/SchemaCreateTableColumnEventArgs.php b/src/Event/SchemaCreateTableColumnEventArgs.php
deleted file mode 100644
index 1375bee1c0b..00000000000
--- a/src/Event/SchemaCreateTableColumnEventArgs.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\Column;
-use Doctrine\DBAL\Schema\Table;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for creating table columns are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaCreateTableColumnEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    public function __construct(
-        private readonly Column $column,
-        private readonly Table $table,
-        private readonly AbstractPlatform $platform,
-    ) {
-    }
-
-    public function getColumn(): Column
-    {
-        return $this->column;
-    }
-
-    public function getTable(): Table
-    {
-        return $this->table;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaCreateTableEventArgs.php b/src/Event/SchemaCreateTableEventArgs.php
deleted file mode 100644
index 9b8acdc06fa..00000000000
--- a/src/Event/SchemaCreateTableEventArgs.php
+++ /dev/null
@@ -1,70 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Schema\Table;
-
-use function array_merge;
-use function array_values;
-
-/**
- * Event Arguments used when SQL queries for creating tables are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaCreateTableEventArgs extends SchemaEventArgs
-{
-    /** @var array<int, string> */
-    private array $sql = [];
-
-    /**
-     * @param array<int, array<string, mixed>> $columns
-     * @param array<string, mixed>             $options
-     */
-    public function __construct(
-        private readonly Table $table,
-        private readonly array $columns,
-        private readonly array $options,
-        private readonly AbstractPlatform $platform,
-    ) {
-    }
-
-    public function getTable(): Table
-    {
-        return $this->table;
-    }
-
-    /** @return array<int, array<string, mixed>> */
-    public function getColumns(): array
-    {
-        return $this->columns;
-    }
-
-    /** @return array<string, mixed> */
-    public function getOptions(): array
-    {
-        return $this->options;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function addSql(string ...$sql): self
-    {
-        $this->sql = array_merge($this->sql, array_values($sql));
-
-        return $this;
-    }
-
-    /** @return array<int, string> */
-    public function getSql(): array
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaDropTableEventArgs.php b/src/Event/SchemaDropTableEventArgs.php
deleted file mode 100644
index c8396f0a6c8..00000000000
--- a/src/Event/SchemaDropTableEventArgs.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-
-/**
- * Event Arguments used when the SQL query for dropping tables are generated inside {@see AbstractPlatform}.
- *
- * @deprecated
- */
-class SchemaDropTableEventArgs extends SchemaEventArgs
-{
-    private ?string $sql = null;
-
-    public function __construct(private readonly string $table, private readonly AbstractPlatform $platform)
-    {
-    }
-
-    public function getTable(): string
-    {
-        return $this->table;
-    }
-
-    public function getPlatform(): AbstractPlatform
-    {
-        return $this->platform;
-    }
-
-    /** @return $this */
-    public function setSql(string $sql): self
-    {
-        $this->sql = $sql;
-
-        return $this;
-    }
-
-    public function getSql(): ?string
-    {
-        return $this->sql;
-    }
-}
diff --git a/src/Event/SchemaEventArgs.php b/src/Event/SchemaEventArgs.php
deleted file mode 100644
index fa45354bbe9..00000000000
--- a/src/Event/SchemaEventArgs.php
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\Common\EventArgs;
-
-/**
- * Base class for schema related events.
- *
- * @deprecated
- */
-class SchemaEventArgs extends EventArgs
-{
-    private bool $preventDefault = false;
-
-    /** @return $this */
-    public function preventDefault(): self
-    {
-        $this->preventDefault = true;
-
-        return $this;
-    }
-
-    public function isDefaultPrevented(): bool
-    {
-        return $this->preventDefault;
-    }
-}
diff --git a/src/Event/SchemaIndexDefinitionEventArgs.php b/src/Event/SchemaIndexDefinitionEventArgs.php
deleted file mode 100644
index 08f0a8d37ec..00000000000
--- a/src/Event/SchemaIndexDefinitionEventArgs.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Schema\Index;
-
-/**
- * Event Arguments used when the portable index definition is generated inside {@see AbstractSchemaManager}.
- *
- * @deprecated
- */
-class SchemaIndexDefinitionEventArgs extends SchemaEventArgs
-{
-    private ?Index $index = null;
-
-    /** @param array<string, mixed> $tableIndex */
-    public function __construct(
-        private readonly array $tableIndex,
-        private readonly string $table,
-        private readonly Connection $connection,
-    ) {
-    }
-
-    /**
-     * Allows to clear the index which means the index will be excluded from tables index list.
-     *
-     * @return $this
-     */
-    public function setIndex(?Index $index): self
-    {
-        $this->index = $index;
-
-        return $this;
-    }
-
-    public function getIndex(): ?Index
-    {
-        return $this->index;
-    }
-
-    /** @return array<string, mixed> */
-    public function getTableIndex(): array
-    {
-        return $this->tableIndex;
-    }
-
-    public function getTable(): string
-    {
-        return $this->table;
-    }
-
-    public function getConnection(): Connection
-    {
-        return $this->connection;
-    }
-}
diff --git a/src/Event/TransactionBeginEventArgs.php b/src/Event/TransactionBeginEventArgs.php
deleted file mode 100644
index be4ccdf15a8..00000000000
--- a/src/Event/TransactionBeginEventArgs.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-/** @deprecated */
-class TransactionBeginEventArgs extends TransactionEventArgs
-{
-}
diff --git a/src/Event/TransactionCommitEventArgs.php b/src/Event/TransactionCommitEventArgs.php
deleted file mode 100644
index 75766b6ff9d..00000000000
--- a/src/Event/TransactionCommitEventArgs.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-/** @deprecated */
-class TransactionCommitEventArgs extends TransactionEventArgs
-{
-}
diff --git a/src/Event/TransactionEventArgs.php b/src/Event/TransactionEventArgs.php
deleted file mode 100644
index cb80131bc0b..00000000000
--- a/src/Event/TransactionEventArgs.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-use Doctrine\Common\EventArgs;
-use Doctrine\DBAL\Connection;
-
-/** @deprecated */
-abstract class TransactionEventArgs extends EventArgs
-{
-    public function __construct(private readonly Connection $connection)
-    {
-    }
-
-    public function getConnection(): Connection
-    {
-        return $this->connection;
-    }
-}
diff --git a/src/Event/TransactionRollBackEventArgs.php b/src/Event/TransactionRollBackEventArgs.php
deleted file mode 100644
index 9e6e650d8b6..00000000000
--- a/src/Event/TransactionRollBackEventArgs.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Event;
-
-/** @deprecated */
-class TransactionRollBackEventArgs extends TransactionEventArgs
-{
-}
diff --git a/src/Events.php b/src/Events.php
deleted file mode 100644
index 0da059763b2..00000000000
--- a/src/Events.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL;
-
-/**
- * Container for all DBAL events.
- *
- * This class cannot be instantiated.
- *
- * @deprecated
- */
-final class Events
-{
-    /**
-     * Private constructor. This class cannot be instantiated.
-     *
-     * @codeCoverageIgnore
-     */
-    private function __construct()
-    {
-    }
-
-    /** @deprecated */
-    public const postConnect = 'postConnect';
-
-    /** @deprecated */
-    public const onSchemaCreateTable = 'onSchemaCreateTable';
-
-    /** @deprecated */
-    public const onSchemaCreateTableColumn = 'onSchemaCreateTableColumn';
-
-    /** @deprecated */
-    public const onSchemaDropTable = 'onSchemaDropTable';
-
-    /** @deprecated */
-    public const onSchemaAlterTable = 'onSchemaAlterTable';
-
-    /** @deprecated */
-    public const onSchemaAlterTableAddColumn = 'onSchemaAlterTableAddColumn';
-
-    /** @deprecated */
-    public const onSchemaAlterTableRemoveColumn = 'onSchemaAlterTableRemoveColumn';
-
-    /** @deprecated */
-    public const onSchemaAlterTableChangeColumn = 'onSchemaAlterTableChangeColumn';
-
-    /** @deprecated */
-    public const onSchemaAlterTableRenameColumn = 'onSchemaAlterTableRenameColumn';
-
-    /** @deprecated */
-    public const onSchemaColumnDefinition = 'onSchemaColumnDefinition';
-
-    /** @deprecated */
-    public const onSchemaIndexDefinition = 'onSchemaIndexDefinition';
-
-    /** @deprecated */
-    public const onTransactionBegin = 'onTransactionBegin';
-
-    /** @deprecated */
-    public const onTransactionCommit = 'onTransactionCommit';
-
-    /** @deprecated */
-    public const onTransactionRollBack = 'onTransactionRollBack';
-}
diff --git a/src/Platforms/AbstractMySQLPlatform.php b/src/Platforms/AbstractMySQLPlatform.php
index dcbcc1cd36b..d675b949dd6 100644
--- a/src/Platforms/AbstractMySQLPlatform.php
+++ b/src/Platforms/AbstractMySQLPlatform.php
@@ -313,10 +313,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         $queryParts = [];
 
         foreach ($diff->getAddedColumns() as $column) {
-            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $columnProperties = array_merge($column->toArray(), [
                 'comment' => $column->getComment(),
             ]);
@@ -328,18 +324,10 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getDroppedColumns() as $column) {
-            if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $queryParts[] =  'DROP ' . $column->getQuotedName($this);
         }
 
         foreach ($diff->getModifiedColumns() as $columnDiff) {
-            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
-                continue;
-            }
-
             $newColumn = $columnDiff->getNewColumn();
 
             $newColumnProperties = array_merge($newColumn->toArray(), [
@@ -353,10 +341,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getRenamedColumns() as $oldColumnName => $column) {
-            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = new Identifier($oldColumnName);
 
             $columnProperties = array_merge($column->toArray(), [
@@ -412,19 +396,17 @@ public function getAlterTableSQL(TableDiff $diff): array
         $sql      = [];
         $tableSql = [];
 
-        if (! $this->onSchemaAlterTable($diff, $tableSql)) {
-            if (count($queryParts) > 0) {
-                $sql[] = 'ALTER TABLE ' . $diff->getOldTable()->getQuotedName($this) . ' '
-                    . implode(', ', $queryParts);
-            }
-
-            $sql = array_merge(
-                $this->getPreAlterTableIndexForeignKeySQL($diff),
-                $sql,
-                $this->getPostAlterTableIndexForeignKeySQL($diff),
-            );
+        if (count($queryParts) > 0) {
+            $sql[] = 'ALTER TABLE ' . $diff->getOldTable()->getQuotedName($this) . ' '
+                . implode(', ', $queryParts);
         }
 
+        $sql = array_merge(
+            $this->getPreAlterTableIndexForeignKeySQL($diff),
+            $sql,
+            $this->getPostAlterTableIndexForeignKeySQL($diff),
+        );
+
         return array_merge($sql, $tableSql, $columnSql);
     }
 
diff --git a/src/Platforms/AbstractPlatform.php b/src/Platforms/AbstractPlatform.php
index 77a2aeaa92b..6e0a15ccdef 100644
--- a/src/Platforms/AbstractPlatform.php
+++ b/src/Platforms/AbstractPlatform.php
@@ -4,17 +4,7 @@
 
 namespace Doctrine\DBAL\Platforms;
 
-use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Event\SchemaAlterTableAddColumnEventArgs;
-use Doctrine\DBAL\Event\SchemaAlterTableChangeColumnEventArgs;
-use Doctrine\DBAL\Event\SchemaAlterTableEventArgs;
-use Doctrine\DBAL\Event\SchemaAlterTableRemoveColumnEventArgs;
-use Doctrine\DBAL\Event\SchemaAlterTableRenameColumnEventArgs;
-use Doctrine\DBAL\Event\SchemaCreateTableColumnEventArgs;
-use Doctrine\DBAL\Event\SchemaCreateTableEventArgs;
-use Doctrine\DBAL\Event\SchemaDropTableEventArgs;
-use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Exception\InvalidArgumentException;
 use Doctrine\DBAL\Exception\InvalidColumnDeclaration;
@@ -28,7 +18,6 @@
 use Doctrine\DBAL\Platforms\Keywords\KeywordList;
 use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\Column;
-use Doctrine\DBAL\Schema\ColumnDiff;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
 use Doctrine\DBAL\Schema\Identifier;
 use Doctrine\DBAL\Schema\Index;
@@ -42,8 +31,6 @@
 use Doctrine\DBAL\Types;
 use Doctrine\DBAL\Types\Exception\TypeNotFound;
 use Doctrine\DBAL\Types\Type;
-use Doctrine\Deprecations\Deprecation;
-use UnexpectedValueException;
 
 use function addcslashes;
 use function array_map;
@@ -87,48 +74,11 @@ abstract class AbstractPlatform
     /** @var string[]|null */
     protected ?array $doctrineTypeMapping = null;
 
-    /** @deprecated */
-    protected ?EventManager $_eventManager = null;
-
     /**
      * Holds the KeywordList instance for the current platform.
      */
     protected ?KeywordList $_keywords = null;
 
-    /**
-     * Sets the EventManager used by the Platform.
-     *
-     * @deprecated
-     */
-    public function setEventManager(EventManager $eventManager): void
-    {
-        Deprecation::triggerIfCalledFromOutside(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            '%s is deprecated.',
-            __METHOD__,
-        );
-
-        $this->_eventManager = $eventManager;
-    }
-
-    /**
-     * Gets the EventManager used by the Platform.
-     *
-     * @deprecated
-     */
-    public function getEventManager(): ?EventManager
-    {
-        Deprecation::triggerIfCalledFromOutside(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            '%s is deprecated.',
-            __METHOD__,
-        );
-
-        return $this->_eventManager;
-    }
-
     /**
      * Returns the SQL snippet that declares a boolean column.
      *
@@ -786,30 +736,6 @@ public function getWriteLockSQL(): string
      */
     public function getDropTableSQL(string $table): string
     {
-        if ($this->_eventManager !== null && $this->_eventManager->hasListeners(Events::onSchemaDropTable)) {
-            Deprecation::trigger(
-                'doctrine/dbal',
-                'https://github.com/doctrine/dbal/issues/5784',
-                'Subscribing to %s events is deprecated.',
-                Events::onSchemaDropTable,
-            );
-
-            $eventArgs = new SchemaDropTableEventArgs($table, $this);
-            $this->_eventManager->dispatchEvent(Events::onSchemaDropTable, $eventArgs);
-
-            if ($eventArgs->isDefaultPrevented()) {
-                $sql = $eventArgs->getSql();
-
-                if ($sql === null) {
-                    throw new UnexpectedValueException(
-                        'Default implementation of DROP TABLE was overridden with NULL.',
-                    );
-                }
-
-                return $sql;
-            }
-        }
-
         return 'DROP TABLE ' . $table;
     }
 
@@ -916,28 +842,6 @@ private function buildCreateTableSQL(Table $table, bool $createForeignKeys): arr
         $columns   = [];
 
         foreach ($table->getColumns() as $column) {
-            if (
-                $this->_eventManager !== null
-                && $this->_eventManager->hasListeners(Events::onSchemaCreateTableColumn)
-            ) {
-                Deprecation::trigger(
-                    'doctrine/dbal',
-                    'https://github.com/doctrine/dbal/issues/5784',
-                    'Subscribing to %s events is deprecated.',
-                    Events::onSchemaCreateTableColumn,
-                );
-
-                $eventArgs = new SchemaCreateTableColumnEventArgs($column, $table, $this);
-
-                $this->_eventManager->dispatchEvent(Events::onSchemaCreateTableColumn, $eventArgs);
-
-                $columnSql = array_merge($columnSql, $eventArgs->getSql());
-
-                if ($eventArgs->isDefaultPrevented()) {
-                    continue;
-                }
-            }
-
             $columnData = $this->columnToArray($column);
 
             if (in_array($column->getName(), $options['primary'], true)) {
@@ -947,23 +851,6 @@ private function buildCreateTableSQL(Table $table, bool $createForeignKeys): arr
             $columns[] = $columnData;
         }
 
-        if ($this->_eventManager !== null && $this->_eventManager->hasListeners(Events::onSchemaCreateTable)) {
-            Deprecation::trigger(
-                'doctrine/dbal',
-                'https://github.com/doctrine/dbal/issues/5784',
-                'Subscribing to %s events is deprecated.',
-                Events::onSchemaCreateTable,
-            );
-
-            $eventArgs = new SchemaCreateTableEventArgs($table, $columns, $options, $this);
-
-            $this->_eventManager->dispatchEvent(Events::onSchemaCreateTable, $eventArgs);
-
-            if ($eventArgs->isDefaultPrevented()) {
-                return array_merge($eventArgs->getSql(), $columnSql);
-            }
-        }
-
         $sql = $this->_getCreateTableSQL($tableName, $columns, $options);
 
         if ($this->supportsCommentOnStatement()) {
@@ -1349,140 +1236,6 @@ public function getRenameTableSQL(string $oldName, string $newName): string
         return sprintf('ALTER TABLE %s RENAME TO %s', $oldName, $newName);
     }
 
-    /** @param mixed[] $columnSql */
-    protected function onSchemaAlterTableAddColumn(Column $column, TableDiff $diff, array &$columnSql): bool
-    {
-        if ($this->_eventManager === null) {
-            return false;
-        }
-
-        if (! $this->_eventManager->hasListeners(Events::onSchemaAlterTableAddColumn)) {
-            return false;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onSchemaAlterTableAddColumn,
-        );
-
-        $eventArgs = new SchemaAlterTableAddColumnEventArgs($column, $diff, $this);
-        $this->_eventManager->dispatchEvent(Events::onSchemaAlterTableAddColumn, $eventArgs);
-
-        $columnSql = array_merge($columnSql, $eventArgs->getSql());
-
-        return $eventArgs->isDefaultPrevented();
-    }
-
-    /** @param string[] $columnSql */
-    protected function onSchemaAlterTableRemoveColumn(Column $column, TableDiff $diff, array &$columnSql): bool
-    {
-        if ($this->_eventManager === null) {
-            return false;
-        }
-
-        if (! $this->_eventManager->hasListeners(Events::onSchemaAlterTableRemoveColumn)) {
-            return false;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onSchemaAlterTableRemoveColumn,
-        );
-
-        $eventArgs = new SchemaAlterTableRemoveColumnEventArgs($column, $diff, $this);
-        $this->_eventManager->dispatchEvent(Events::onSchemaAlterTableRemoveColumn, $eventArgs);
-
-        $columnSql = array_merge($columnSql, $eventArgs->getSql());
-
-        return $eventArgs->isDefaultPrevented();
-    }
-
-    /** @param string[] $columnSql */
-    protected function onSchemaAlterTableChangeColumn(ColumnDiff $columnDiff, TableDiff $diff, array &$columnSql): bool
-    {
-        if ($this->_eventManager === null) {
-            return false;
-        }
-
-        if (! $this->_eventManager->hasListeners(Events::onSchemaAlterTableChangeColumn)) {
-            return false;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onSchemaAlterTableChangeColumn,
-        );
-
-        $eventArgs = new SchemaAlterTableChangeColumnEventArgs($columnDiff, $diff, $this);
-        $this->_eventManager->dispatchEvent(Events::onSchemaAlterTableChangeColumn, $eventArgs);
-
-        $columnSql = array_merge($columnSql, $eventArgs->getSql());
-
-        return $eventArgs->isDefaultPrevented();
-    }
-
-    /** @param string[] $columnSql */
-    protected function onSchemaAlterTableRenameColumn(
-        string $oldColumnName,
-        Column $column,
-        TableDiff $diff,
-        array &$columnSql,
-    ): bool {
-        if ($this->_eventManager === null) {
-            return false;
-        }
-
-        if (! $this->_eventManager->hasListeners(Events::onSchemaAlterTableRenameColumn)) {
-            return false;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onSchemaAlterTableRenameColumn,
-        );
-
-        $eventArgs = new SchemaAlterTableRenameColumnEventArgs($oldColumnName, $column, $diff, $this);
-        $this->_eventManager->dispatchEvent(Events::onSchemaAlterTableRenameColumn, $eventArgs);
-
-        $columnSql = array_merge($columnSql, $eventArgs->getSql());
-
-        return $eventArgs->isDefaultPrevented();
-    }
-
-    /** @param string[] $sql */
-    protected function onSchemaAlterTable(TableDiff $diff, array &$sql): bool
-    {
-        if ($this->_eventManager === null) {
-            return false;
-        }
-
-        if (! $this->_eventManager->hasListeners(Events::onSchemaAlterTable)) {
-            return false;
-        }
-
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/issues/5784',
-            'Subscribing to %s events is deprecated.',
-            Events::onSchemaAlterTable,
-        );
-
-        $eventArgs = new SchemaAlterTableEventArgs($diff, $this);
-        $this->_eventManager->dispatchEvent(Events::onSchemaAlterTable, $eventArgs);
-
-        $sql = array_merge($sql, $eventArgs->getSql());
-
-        return $eventArgs->isDefaultPrevented();
-    }
-
     /** @return string[] */
     protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff): array
     {
diff --git a/src/Platforms/DB2Platform.php b/src/Platforms/DB2Platform.php
index 02ae256bfdf..661a9619a50 100644
--- a/src/Platforms/DB2Platform.php
+++ b/src/Platforms/DB2Platform.php
@@ -263,10 +263,6 @@ public function getAlterTableSQL(TableDiff $diff): array
 
         $queryParts = [];
         foreach ($diff->getAddedColumns() as $column) {
-            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $columnDef = $column->toArray();
             $queryPart = 'ADD COLUMN ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnDef);
 
@@ -295,18 +291,10 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getDroppedColumns() as $column) {
-            if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $queryParts[] =  'DROP COLUMN ' . $column->getQuotedName($this);
         }
 
         foreach ($diff->getModifiedColumns() as $columnDiff) {
-            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
-                continue;
-            }
-
             if ($columnDiff->hasCommentChanged()) {
                 $newColumn     = $columnDiff->getNewColumn();
                 $commentsSQL[] = $this->getCommentOnColumnSQL(
@@ -325,37 +313,29 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getRenamedColumns() as $oldColumnName => $column) {
-            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = new Identifier($oldColumnName);
 
             $queryParts[] =  'RENAME COLUMN ' . $oldColumnName->getQuotedName($this) .
                 ' TO ' . $column->getQuotedName($this);
         }
 
-        $tableSql = [];
-
-        if (! $this->onSchemaAlterTable($diff, $tableSql)) {
-            if (count($queryParts) > 0) {
-                $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . implode(' ', $queryParts);
-            }
-
-            // Some table alteration operations require a table reorganization.
-            if (count($diff->getDroppedColumns()) > 0 || count($diff->getModifiedColumns()) > 0) {
-                $sql[] = "CALL SYSPROC.ADMIN_CMD ('REORG TABLE " . $tableNameSQL . "')";
-            }
+        if (count($queryParts) > 0) {
+            $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . implode(' ', $queryParts);
+        }
 
-            $sql = array_merge(
-                $this->getPreAlterTableIndexForeignKeySQL($diff),
-                $sql,
-                $commentsSQL,
-                $this->getPostAlterTableIndexForeignKeySQL($diff),
-            );
+        // Some table alteration operations require a table reorganization.
+        if (count($diff->getDroppedColumns()) > 0 || count($diff->getModifiedColumns()) > 0) {
+            $sql[] = "CALL SYSPROC.ADMIN_CMD ('REORG TABLE " . $tableNameSQL . "')";
         }
 
-        return array_merge($sql, $tableSql, $columnSql);
+        $sql = array_merge(
+            $this->getPreAlterTableIndexForeignKeySQL($diff),
+            $sql,
+            $commentsSQL,
+            $this->getPostAlterTableIndexForeignKeySQL($diff),
+        );
+
+        return array_merge($sql, $columnSql);
     }
 
     public function getRenameTableSQL(string $oldName, string $newName): string
diff --git a/src/Platforms/OraclePlatform.php b/src/Platforms/OraclePlatform.php
index c8d718493da..4959bffbc67 100644
--- a/src/Platforms/OraclePlatform.php
+++ b/src/Platforms/OraclePlatform.php
@@ -531,10 +531,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         $tableNameSQL = $diff->getOldTable()->getQuotedName($this);
 
         foreach ($diff->getAddedColumns() as $column) {
-            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $addColumnSQL[] = $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
             $comment        = $column->getComment();
 
@@ -555,10 +551,6 @@ public function getAlterTableSQL(TableDiff $diff): array
 
         $modifyColumnSQL = [];
         foreach ($diff->getModifiedColumns() as $columnDiff) {
-            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
-                continue;
-            }
-
             $newColumn = $columnDiff->getNewColumn();
             $oldColumn = $columnDiff->getOldColumn();
 
@@ -593,10 +585,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getRenamedColumns() as $oldColumnName => $column) {
-            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = new Identifier($oldColumnName);
 
             $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' RENAME COLUMN ' . $oldColumnName->getQuotedName($this)
@@ -605,10 +593,6 @@ public function getAlterTableSQL(TableDiff $diff): array
 
         $dropColumnSQL = [];
         foreach ($diff->getDroppedColumns() as $column) {
-            if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $dropColumnSQL[] = $column->getQuotedName($this);
         }
 
@@ -616,18 +600,13 @@ public function getAlterTableSQL(TableDiff $diff): array
             $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' DROP (' . implode(', ', $dropColumnSQL) . ')';
         }
 
-        $tableSql = [];
-
-        if (! $this->onSchemaAlterTable($diff, $tableSql)) {
-            $sql = array_merge(
-                $this->getPreAlterTableIndexForeignKeySQL($diff),
-                $sql,
-                $commentsSQL,
-                $this->getPostAlterTableIndexForeignKeySQL($diff),
-            );
-        }
-
-        return array_merge($sql, $tableSql, $columnSql);
+        return array_merge(
+            $this->getPreAlterTableIndexForeignKeySQL($diff),
+            $sql,
+            $commentsSQL,
+            $this->getPostAlterTableIndexForeignKeySQL($diff),
+            $columnSql,
+        );
     }
 
     /**
diff --git a/src/Platforms/PostgreSQLPlatform.php b/src/Platforms/PostgreSQLPlatform.php
index 992c06cec78..31682fe6339 100644
--- a/src/Platforms/PostgreSQLPlatform.php
+++ b/src/Platforms/PostgreSQLPlatform.php
@@ -230,10 +230,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         $tableNameSQL = $table->getQuotedName($this);
 
         foreach ($diff->getAddedColumns() as $addedColumn) {
-            if ($this->onSchemaAlterTableAddColumn($addedColumn, $diff, $columnSql)) {
-                continue;
-            }
-
             $query = 'ADD ' . $this->getColumnDeclarationSQL(
                 $addedColumn->getQuotedName($this),
                 $addedColumn->toArray(),
@@ -255,19 +251,11 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getDroppedColumns() as $droppedColumn) {
-            if ($this->onSchemaAlterTableRemoveColumn($droppedColumn, $diff, $columnSql)) {
-                continue;
-            }
-
             $query = 'DROP ' . $droppedColumn->getQuotedName($this);
             $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . $query;
         }
 
         foreach ($diff->getModifiedColumns() as $columnDiff) {
-            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumn = $columnDiff->getOldColumn();
             $newColumn = $columnDiff->getNewColumn();
 
@@ -335,28 +323,19 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getRenamedColumns() as $oldColumnName => $column) {
-            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = new Identifier($oldColumnName);
 
             $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' RENAME COLUMN ' . $oldColumnName->getQuotedName($this)
                 . ' TO ' . $column->getQuotedName($this);
         }
 
-        $tableSql = [];
-
-        if (! $this->onSchemaAlterTable($diff, $tableSql)) {
-            $sql = array_merge(
-                $this->getPreAlterTableIndexForeignKeySQL($diff),
-                $sql,
-                $commentsSQL,
-                $this->getPostAlterTableIndexForeignKeySQL($diff),
-            );
-        }
-
-        return array_merge($sql, $tableSql, $columnSql);
+        return array_merge(
+            $this->getPreAlterTableIndexForeignKeySQL($diff),
+            $sql,
+            $commentsSQL,
+            $this->getPostAlterTableIndexForeignKeySQL($diff),
+            $columnSql,
+        );
     }
 
     /**
diff --git a/src/Platforms/SQLServerPlatform.php b/src/Platforms/SQLServerPlatform.php
index dbb3816bba6..6218b400109 100644
--- a/src/Platforms/SQLServerPlatform.php
+++ b/src/Platforms/SQLServerPlatform.php
@@ -360,10 +360,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         $tableName = $table->getName();
 
         foreach ($diff->getAddedColumns() as $column) {
-            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $columnProperties = $column->toArray();
 
             $addColumnSql = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnProperties);
@@ -388,10 +384,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getDroppedColumns() as $column) {
-            if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             if ($column->getDefault() !== null) {
                 $queryParts[] = $this->getAlterTableDropDefaultConstraintClause($column);
             }
@@ -400,10 +392,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getModifiedColumns() as $columnDiff) {
-            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
-                continue;
-            }
-
             $newColumn     = $columnDiff->getNewColumn();
             $newComment    = $newColumn->getComment();
             $hasNewComment = $newComment !== '';
@@ -466,10 +454,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         $tableNameSQL = $table->getQuotedName($this);
 
         foreach ($diff->getRenamedColumns() as $oldColumnName => $newColumn) {
-            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $newColumn, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = new Identifier($oldColumnName);
 
             $sql[] = sprintf(
@@ -480,24 +464,17 @@ public function getAlterTableSQL(TableDiff $diff): array
             );
         }
 
-        $tableSql = [];
-
-        if ($this->onSchemaAlterTable($diff, $tableSql)) {
-            return array_merge($tableSql, $columnSql);
-        }
-
         foreach ($queryParts as $query) {
             $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . $query;
         }
 
-        $sql = array_merge(
+        return array_merge(
             $this->getPreAlterTableIndexForeignKeySQL($diff),
             $sql,
             $commentsSql,
             $this->getPostAlterTableIndexForeignKeySQL($diff),
+            $columnSql,
         );
-
-        return array_merge($sql, $tableSql, $columnSql);
     }
 
     public function getRenameTableSQL(string $oldName, string $newName): string
diff --git a/src/Platforms/SQLitePlatform.php b/src/Platforms/SQLitePlatform.php
index ff2b19f0927..2e22f1c6927 100644
--- a/src/Platforms/SQLitePlatform.php
+++ b/src/Platforms/SQLitePlatform.php
@@ -588,10 +588,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getDroppedColumns() as $column) {
-            if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $columnName = strtolower($column->getName());
             if (! isset($columns[$columnName])) {
                 continue;
@@ -605,10 +601,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getRenamedColumns() as $oldColumnName => $column) {
-            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = strtolower($oldColumnName);
 
             $columns = $this->replaceColumn(
@@ -626,10 +618,6 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getModifiedColumns() as $columnDiff) {
-            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
-                continue;
-            }
-
             $oldColumnName = strtolower($columnDiff->getOldColumn()->getName());
             $newColumn     = $columnDiff->getNewColumn();
 
@@ -648,54 +636,43 @@ public function getAlterTableSQL(TableDiff $diff): array
         }
 
         foreach ($diff->getAddedColumns() as $column) {
-            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $columns[strtolower($column->getName())] = $column;
         }
 
-        $sql      = [];
-        $tableSql = [];
-
-        if (! $this->onSchemaAlterTable($diff, $tableSql)) {
-            $dataTable = new Table('__temp__' . $table->getName());
-
-            $newTable = new Table(
-                $table->getQuotedName($this),
-                $columns,
-                $this->getPrimaryIndexInAlteredTable($diff, $table),
-                [],
-                $this->getForeignKeysInAlteredTable($diff, $table),
-                $table->getOptions(),
-            );
+        $dataTable = new Table('__temp__' . $table->getName());
 
-            $newTable->addOption('alter', true);
+        $newTable = new Table(
+            $table->getQuotedName($this),
+            $columns,
+            $this->getPrimaryIndexInAlteredTable($diff, $table),
+            [],
+            $this->getForeignKeysInAlteredTable($diff, $table),
+            $table->getOptions(),
+        );
 
-            $sql = $this->getPreAlterTableIndexForeignKeySQL($diff);
+        $newTable->addOption('alter', true);
 
-            $sql[] = sprintf(
-                'CREATE TEMPORARY TABLE %s AS SELECT %s FROM %s',
-                $dataTable->getQuotedName($this),
-                implode(', ', $oldColumnNames),
-                $table->getQuotedName($this),
-            );
-            $sql[] = $this->getDropTableSQL($table->getQuotedName($this));
-
-            $sql   = array_merge($sql, $this->getCreateTableSQL($newTable));
-            $sql[] = sprintf(
-                'INSERT INTO %s (%s) SELECT %s FROM %s',
-                $newTable->getQuotedName($this),
-                implode(', ', $newColumnNames),
-                implode(', ', $oldColumnNames),
-                $dataTable->getQuotedName($this),
-            );
-            $sql[] = $this->getDropTableSQL($dataTable->getQuotedName($this));
+        $sql = $this->getPreAlterTableIndexForeignKeySQL($diff);
 
-            $sql = array_merge($sql, $this->getPostAlterTableIndexForeignKeySQL($diff));
-        }
+        $sql[] = sprintf(
+            'CREATE TEMPORARY TABLE %s AS SELECT %s FROM %s',
+            $dataTable->getQuotedName($this),
+            implode(', ', $oldColumnNames),
+            $table->getQuotedName($this),
+        );
+        $sql[] = $this->getDropTableSQL($table->getQuotedName($this));
+
+        $sql   = array_merge($sql, $this->getCreateTableSQL($newTable));
+        $sql[] = sprintf(
+            'INSERT INTO %s (%s) SELECT %s FROM %s',
+            $newTable->getQuotedName($this),
+            implode(', ', $newColumnNames),
+            implode(', ', $oldColumnNames),
+            $dataTable->getQuotedName($this),
+        );
+        $sql[] = $this->getDropTableSQL($dataTable->getQuotedName($this));
 
-        return array_merge($sql, $tableSql, $columnSql);
+        return array_merge($sql, $this->getPostAlterTableIndexForeignKeySQL($diff), $columnSql);
     }
 
     /**
@@ -749,14 +726,9 @@ private function getSimpleAlterTableSQL(TableDiff $diff): array|false
         $table = $diff->getOldTable();
 
         $sql       = [];
-        $tableSql  = [];
         $columnSql = [];
 
         foreach ($diff->getAddedColumns() as $column) {
-            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
-                continue;
-            }
-
             $definition = array_merge([
                 'unique' => null,
                 'autoincrement' => null,
@@ -779,9 +751,7 @@ private function getSimpleAlterTableSQL(TableDiff $diff): array|false
                 . $this->getColumnDeclarationSQL($definition['name'], $definition);
         }
 
-        $this->onSchemaAlterTable($diff, $tableSql);
-
-        return array_merge($sql, $tableSql, $columnSql);
+        return array_merge($sql, $columnSql);
     }
 
     /** @return string[] */
diff --git a/src/Schema/AbstractSchemaManager.php b/src/Schema/AbstractSchemaManager.php
index 1c75a8663c1..88ffdadc9cc 100644
--- a/src/Schema/AbstractSchemaManager.php
+++ b/src/Schema/AbstractSchemaManager.php
@@ -5,16 +5,12 @@
 namespace Doctrine\DBAL\Schema;
 
 use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Event\SchemaColumnDefinitionEventArgs;
-use Doctrine\DBAL\Event\SchemaIndexDefinitionEventArgs;
-use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Exception\DatabaseRequired;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\Exception\NotSupported;
 use Doctrine\DBAL\Result;
 use Doctrine\DBAL\Schema\Exception\TableDoesNotExist;
-use Doctrine\Deprecations\Deprecation;
 
 use function array_filter;
 use function array_intersect;
@@ -669,35 +665,9 @@ protected function _getPortableSequenceDefinition(array $sequence): Sequence
      */
     protected function _getPortableTableColumnList(string $table, string $database, array $tableColumns): array
     {
-        $eventManager = $this->platform->getEventManager();
-
         $list = [];
         foreach ($tableColumns as $tableColumn) {
-            $column           = null;
-            $defaultPrevented = false;
-
-            if ($eventManager !== null && $eventManager->hasListeners(Events::onSchemaColumnDefinition)) {
-                Deprecation::trigger(
-                    'doctrine/dbal',
-                    'https://github.com/doctrine/dbal/issues/5784',
-                    'Subscribing to %s events is deprecated. Use a custom schema manager instead.',
-                    Events::onSchemaColumnDefinition,
-                );
-
-                $eventArgs = new SchemaColumnDefinitionEventArgs($tableColumn, $table, $database, $this->connection);
-                $eventManager->dispatchEvent(Events::onSchemaColumnDefinition, $eventArgs);
-
-                $defaultPrevented = $eventArgs->isDefaultPrevented();
-                $column           = $eventArgs->getColumn();
-            }
-
-            if (! $defaultPrevented) {
-                $column = $this->_getPortableTableColumnDefinition($tableColumn);
-            }
-
-            if ($column === null) {
-                continue;
-            }
+            $column = $this->_getPortableTableColumnDefinition($tableColumn);
 
             $name        = strtolower($column->getQuotedName($this->platform));
             $list[$name] = $column;
@@ -758,44 +728,16 @@ protected function _getPortableTableIndexesList(array $tableIndexes, string $tab
             $result[$keyName]['options']['lengths'][] = $tableIndex['length'] ?? null;
         }
 
-        $eventManager = $this->platform->getEventManager();
-
         $indexes = [];
         foreach ($result as $indexKey => $data) {
-            $index            = null;
-            $defaultPrevented = false;
-
-            if ($eventManager !== null && $eventManager->hasListeners(Events::onSchemaIndexDefinition)) {
-                Deprecation::trigger(
-                    'doctrine/dbal',
-                    'https://github.com/doctrine/dbal/issues/5784',
-                    'Subscribing to %s events is deprecated. Use a custom schema manager instead.',
-                    Events::onSchemaColumnDefinition,
-                );
-
-                $eventArgs = new SchemaIndexDefinitionEventArgs($data, $tableName, $this->connection);
-                $eventManager->dispatchEvent(Events::onSchemaIndexDefinition, $eventArgs);
-
-                $defaultPrevented = $eventArgs->isDefaultPrevented();
-                $index            = $eventArgs->getIndex();
-            }
-
-            if (! $defaultPrevented) {
-                $index = new Index(
-                    $data['name'],
-                    $data['columns'],
-                    $data['unique'],
-                    $data['primary'],
-                    $data['flags'],
-                    $data['options'],
-                );
-            }
-
-            if ($index === null) {
-                continue;
-            }
-
-            $indexes[$indexKey] = $index;
+            $indexes[$indexKey] = new Index(
+                $data['name'],
+                $data['columns'],
+                $data['unique'],
+                $data['primary'],
+                $data['flags'],
+                $data['options'],
+            );
         }
 
         return $indexes;
diff --git a/tests/ConnectionTest.php b/tests/ConnectionTest.php
index 8800637082d..226acb43d2d 100644
--- a/tests/ConnectionTest.php
+++ b/tests/ConnectionTest.php
@@ -4,18 +4,12 @@
 
 namespace Doctrine\DBAL\Tests;
 
-use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Cache\QueryCacheProfile;
-use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\ConnectionException;
 use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Driver\Connection as DriverConnection;
 use Doctrine\DBAL\DriverManager;
-use Doctrine\DBAL\Event\TransactionBeginEventArgs;
-use Doctrine\DBAL\Event\TransactionCommitEventArgs;
-use Doctrine\DBAL\Event\TransactionRollBackEventArgs;
-use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
@@ -104,147 +98,6 @@ public function testGetDriver(): void
         self::assertInstanceOf(Driver\PDO\MySQL\Driver::class, $this->connection->getDriver());
     }
 
-    public function testConnectDispatchEvent(): void
-    {
-        $listenerMock = $this->createMock(ConnectDispatchEventListener::class);
-        $listenerMock->expects(self::once())->method('postConnect');
-
-        $eventManager = new EventManager();
-        $eventManager->addEventListener([Events::postConnect], $listenerMock);
-
-        $driverMock = $this->createMock(Driver::class);
-        $driverMock->expects(self::once())
-                   ->method('connect');
-
-        $conn = new Connection([], $driverMock, new Configuration(), $eventManager);
-        $conn->executeQuery('SELECT 1');
-    }
-
-    public function testTransactionBeginDispatchEvent(): void
-    {
-        $eventManager = new EventManager();
-        $driverMock   = $this->createMock(Driver::class);
-        $conn         = new Connection([], $driverMock, new Configuration(), $eventManager);
-        $listenerMock = $this->createMock(TransactionBeginDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::exactly(1))
-            ->method('onTransactionBegin')
-            ->with(
-                self::callback(
-                    static function (TransactionBeginEventArgs $eventArgs) use ($conn): bool {
-                        return $eventArgs->getConnection() === $conn;
-                    },
-                ),
-            );
-        $eventManager->addEventListener([Events::onTransactionBegin], $listenerMock);
-
-        $conn->beginTransaction();
-    }
-
-    public function testTransactionCommitDispatchEvent(): void
-    {
-        $eventManager = new EventManager();
-        $driverMock   = $this->createMock(Driver::class);
-        $conn         = new Connection([], $driverMock, new Configuration(), $eventManager);
-        $listenerMock = $this->createMock(TransactionCommitDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::exactly(1))
-            ->method('onTransactionCommit')
-            ->with(
-                self::callback(
-                    static function (TransactionCommitEventArgs $eventArgs) use ($conn): bool {
-                        return $eventArgs->getConnection() === $conn;
-                    },
-                ),
-            );
-        $eventManager->addEventListener([Events::onTransactionCommit], $listenerMock);
-
-        $conn->beginTransaction();
-        $conn->commit();
-    }
-
-    public function testTransactionCommitEventCalledAfterRollBack(): void
-    {
-        $eventManager = new EventManager();
-        $platform     = $this->createStub(AbstractPlatform::class);
-        $platform
-            ->method('supportsSavepoints')
-            ->willReturn(true);
-
-        $driverMock = $this->createMock(Driver::class);
-        $driverMock
-            ->method('getDatabasePlatform')
-            ->willReturn($platform);
-
-        $conn = new Connection([], $driverMock, new Configuration(), $eventManager);
-
-        $rollBackListenerMock = $this->createMock(TransactionRollBackDispatchEventListener::class);
-        $rollBackListenerMock
-            ->expects(self::exactly(1))
-            ->method('onTransactionRollBack')
-            ->with(
-                self::callback(
-                    static function (TransactionRollBackEventArgs $eventArgs) use ($conn): bool {
-                        return $eventArgs->getConnection() === $conn;
-                    },
-                ),
-            );
-        $eventManager->addEventListener([Events::onTransactionRollBack], $rollBackListenerMock);
-
-        $commitListenerMock = $this->createMock(TransactionCommitDispatchEventListener::class);
-        $commitListenerMock->expects(self::exactly(1))->method('onTransactionCommit');
-        $eventManager->addEventListener([Events::onTransactionCommit], $commitListenerMock);
-
-        $conn->beginTransaction();
-        $conn->beginTransaction();
-        $conn->rollBack();
-        try {
-            $conn->commit();
-        } catch (ConnectionException) {
-        }
-    }
-
-    public function testTransactionRollBackDispatchEvent(): void
-    {
-        $eventManager = new EventManager();
-        $driverMock   = $this->createMock(Driver::class);
-        $conn         = new Connection([], $driverMock, new Configuration(), $eventManager);
-        $listenerMock = $this->createMock(TransactionRollBackDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::exactly(1))
-            ->method('onTransactionRollBack')
-            ->with(
-                self::callback(
-                    static function (TransactionRollBackEventArgs $eventArgs) use ($conn): bool {
-                        return $eventArgs->getConnection() === $conn;
-                    },
-                ),
-            );
-
-        $eventManager->addEventListener([Events::onTransactionRollBack], $listenerMock);
-
-        $conn->beginTransaction();
-        $conn->rollBack();
-    }
-
-    public function testEventManagerPassedToPlatform(): void
-    {
-        $eventManager = new EventManager();
-
-        $platform = $this->createMock(AbstractPlatform::class);
-        $platform->expects(self::once())
-            ->method('setEventManager')
-            ->with($eventManager);
-
-        $driver = $this->createMock(Driver::class);
-        $driver->expects(self::any())
-            ->method('getDatabasePlatform')
-            ->willReturn($platform);
-
-        $connection = new Connection($this->params, $driver, null, $eventManager);
-        $connection->getDatabasePlatform();
-    }
-
     /**
      * @requires extension pdo_sqlite
      * @dataProvider getQueryMethods
@@ -712,23 +565,3 @@ public function testConnectionParamsArePassedToTheQueryCacheProfileInExecuteCach
         (new Connection($this->params, $driver))->executeCacheQuery($query, $params, $types, $queryCacheProfileMock);
     }
 }
-
-interface ConnectDispatchEventListener
-{
-    public function postConnect(): void;
-}
-
-interface TransactionBeginDispatchEventListener
-{
-    public function onTransactionBegin(): void;
-}
-
-interface TransactionCommitDispatchEventListener
-{
-    public function onTransactionCommit(): void;
-}
-
-interface TransactionRollBackDispatchEventListener
-{
-    public function onTransactionRollBack(): void;
-}
diff --git a/tests/Events/OracleSessionInitTest.php b/tests/Events/OracleSessionInitTest.php
deleted file mode 100644
index 35ebad729a1..00000000000
--- a/tests/Events/OracleSessionInitTest.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Tests\Events;
-
-use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Event\Listeners\OracleSessionInit;
-use Doctrine\DBAL\Events;
-use PHPUnit\Framework\TestCase;
-
-use function sprintf;
-
-class OracleSessionInitTest extends TestCase
-{
-    public function testPostConnect(): void
-    {
-        $connectionMock = $this->createMock(Connection::class);
-        $connectionMock->expects(self::once())
-                       ->method('executeStatement')
-                       ->with(self::isType('string'));
-
-        $eventArgs = new ConnectionEventArgs($connectionMock);
-
-        $listener = new OracleSessionInit();
-        $listener->postConnect($eventArgs);
-    }
-
-    /** @dataProvider getPostConnectWithSessionParameterValuesData */
-    public function testPostConnectQuotesSessionParameterValues(string $name, string $value): void
-    {
-        $connectionMock = $this->getMockBuilder(Connection::class)
-            ->disableOriginalConstructor()
-            ->getMock();
-        $connectionMock->expects(self::once())
-            ->method('executeStatement')
-            ->with(self::stringContains(sprintf('%s = %s', $name, $value)));
-
-        $eventArgs = new ConnectionEventArgs($connectionMock);
-
-        $listener = new OracleSessionInit([$name => $value]);
-        $listener->postConnect($eventArgs);
-    }
-
-    /** @return array<int, array<int, mixed>> */
-    public static function getPostConnectWithSessionParameterValuesData(): iterable
-    {
-        return [
-            ['CURRENT_SCHEMA', 'foo'],
-        ];
-    }
-
-    public function testGetSubscribedEvents(): void
-    {
-        $listener = new OracleSessionInit();
-        self::assertEquals([Events::postConnect], $listener->getSubscribedEvents());
-    }
-}
diff --git a/tests/Events/SQLSessionInitTest.php b/tests/Events/SQLSessionInitTest.php
deleted file mode 100644
index 4d582e4acab..00000000000
--- a/tests/Events/SQLSessionInitTest.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Tests\Events;
-
-use Doctrine\DBAL\Connection;
-use Doctrine\DBAL\Event\ConnectionEventArgs;
-use Doctrine\DBAL\Event\Listeners\SQLSessionInit;
-use Doctrine\DBAL\Events;
-use PHPUnit\Framework\TestCase;
-
-class SQLSessionInitTest extends TestCase
-{
-    public function testPostConnect(): void
-    {
-        $connectionMock = $this->createMock(Connection::class);
-        $connectionMock->expects(self::once())
-                       ->method('executeStatement')
-                       ->with(self::equalTo("SET SEARCH_PATH TO foo, public, TIMEZONE TO 'Europe/Berlin'"));
-
-        $eventArgs = new ConnectionEventArgs($connectionMock);
-
-        $listener = new SQLSessionInit("SET SEARCH_PATH TO foo, public, TIMEZONE TO 'Europe/Berlin'");
-        $listener->postConnect($eventArgs);
-    }
-
-    public function testGetSubscribedEvents(): void
-    {
-        $listener = new SQLSessionInit("SET SEARCH_PATH TO foo, public, TIMEZONE TO 'Europe/Berlin'");
-        self::assertEquals([Events::postConnect], $listener->getSubscribedEvents());
-    }
-}
diff --git a/tests/Functional/ConnectionTest.php b/tests/Functional/ConnectionTest.php
index 43272a39fb4..e560eacdbe0 100644
--- a/tests/Functional/ConnectionTest.php
+++ b/tests/Functional/ConnectionTest.php
@@ -90,7 +90,6 @@ public function testTransactionNestingLevelIsResetOnReconnect(): void
             $connection = DriverManager::getConnection(
                 $params,
                 $this->connection->getConfiguration(),
-                $this->connection->getEventManager(),
             );
         } else {
             $connection = $this->connection;
@@ -283,7 +282,6 @@ public function testConnectWithoutExplicitDatabaseName(): void
         $connection = DriverManager::getConnection(
             $params,
             $this->connection->getConfiguration(),
-            $this->connection->getEventManager(),
         );
 
         self::assertEquals(1, $connection->fetchOne(
@@ -306,7 +304,6 @@ public function testDeterminesDatabasePlatformWhenConnectingToNonExistentDatabas
         $connection = DriverManager::getConnection(
             $params,
             $this->connection->getConfiguration(),
-            $this->connection->getEventManager(),
         );
 
         self::assertFalse($connection->isConnected());
diff --git a/tests/Functional/Driver/AbstractDriverTest.php b/tests/Functional/Driver/AbstractDriverTest.php
index 2105ed15496..98387b90e58 100644
--- a/tests/Functional/Driver/AbstractDriverTest.php
+++ b/tests/Functional/Driver/AbstractDriverTest.php
@@ -39,7 +39,6 @@ public function testReturnsDatabaseNameWithoutDatabaseNameParameter(): void
             $params,
             $this->connection->getDriver(),
             $this->connection->getConfiguration(),
-            $this->connection->getEventManager(),
         );
 
         self::assertSame(
diff --git a/tests/Functional/Driver/PDO/PgSQL/ConnectionTest.php b/tests/Functional/Driver/PDO/PgSQL/ConnectionTest.php
index fc80de40aee..00b90d65a84 100644
--- a/tests/Functional/Driver/PDO/PgSQL/ConnectionTest.php
+++ b/tests/Functional/Driver/PDO/PgSQL/ConnectionTest.php
@@ -29,7 +29,6 @@ public function testConnectsWithValidCharsetOption(string $charset): void
         $connection = DriverManager::getConnection(
             $params,
             $this->connection->getConfiguration(),
-            $this->connection->getEventManager(),
         );
 
         self::assertEquals(
diff --git a/tests/Functional/Driver/SQLite3/DriverTest.php b/tests/Functional/Driver/SQLite3/DriverTest.php
index 844d203bfc6..21f7bccfff5 100644
--- a/tests/Functional/Driver/SQLite3/DriverTest.php
+++ b/tests/Functional/Driver/SQLite3/DriverTest.php
@@ -50,7 +50,6 @@ public function testMissingMandatoryParams(): void
             $params,
             $this->connection->getDriver(),
             $this->connection->getConfiguration(),
-            $this->connection->getEventManager(),
         );
 
         $connection->fetchOne('SELECT 1');
@@ -72,7 +71,6 @@ public function testAmbiguousParams(): void
             $params,
             $this->connection->getDriver(),
             $this->connection->getConfiguration(),
-            $this->connection->getEventManager(),
         );
 
         $connection->fetchOne('SELECT 1');
diff --git a/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php b/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php
index 7fca673000e..2d0258bdf53 100644
--- a/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php
+++ b/tests/Functional/Schema/SchemaManagerFunctionalTestCase.php
@@ -4,8 +4,6 @@
 
 namespace Doctrine\DBAL\Tests\Functional\Schema;
 
-use Doctrine\Common\EventManager;
-use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Exception\DatabaseObjectNotFoundException;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
@@ -346,46 +344,6 @@ public function testListTableColumnsWithFixedStringColumn(): void
         self::assertSame(2, $columns['column_char']->getLength());
     }
 
-    public function testListTableColumnsDispatchEvent(): void
-    {
-        $table = $this->createListTableColumns();
-
-        $this->dropAndCreateTable($table);
-
-        $listenerMock = $this->createMock(ListTableColumnsDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::exactly(7))
-            ->method('onSchemaColumnDefinition');
-
-        $eventManager = new EventManager();
-        $eventManager->addEventListener([Events::onSchemaColumnDefinition], $listenerMock);
-
-        $this->connection->getDatabasePlatform()->setEventManager($eventManager);
-
-        $this->schemaManager->listTableColumns('list_table_columns');
-    }
-
-    public function testListTableIndexesDispatchEvent(): void
-    {
-        $table = $this->getTestTable('list_table_indexes_test');
-        $table->addUniqueIndex(['test'], 'test_index_name');
-        $table->addIndex(['id', 'test'], 'test_composite_idx');
-
-        $this->dropAndCreateTable($table);
-
-        $listenerMock = $this->createMock(ListTableIndexesDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::exactly(3))
-            ->method('onSchemaIndexDefinition');
-
-        $eventManager = new EventManager();
-        $eventManager->addEventListener([Events::onSchemaIndexDefinition], $listenerMock);
-
-        $this->connection->getDatabasePlatform()->setEventManager($eventManager);
-
-        $this->schemaManager->listTableIndexes('list_table_indexes_test');
-    }
-
     public function testDiffListTableColumns(): void
     {
         if ($this->connection->getDatabasePlatform() instanceof OraclePlatform) {
diff --git a/tests/Platforms/AbstractPlatformTestCase.php b/tests/Platforms/AbstractPlatformTestCase.php
index eb964c5af63..2565f191815 100644
--- a/tests/Platforms/AbstractPlatformTestCase.php
+++ b/tests/Platforms/AbstractPlatformTestCase.php
@@ -4,8 +4,6 @@
 
 namespace Doctrine\DBAL\Tests\Platforms;
 
-use Doctrine\Common\EventManager;
-use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Exception\InvalidColumnDeclaration;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
@@ -236,98 +234,6 @@ public function testGetCustomColumnDeclarationSql(): void
         );
     }
 
-    public function testGetCreateTableSqlDispatchEvent(): void
-    {
-        $listenerMock = $this->createMock(GetCreateTableSqlDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaCreateTable');
-        $listenerMock
-            ->expects(self::exactly(2))
-            ->method('onSchemaCreateTableColumn');
-
-        $eventManager = new EventManager();
-        $eventManager->addEventListener([
-            Events::onSchemaCreateTable,
-            Events::onSchemaCreateTableColumn,
-        ], $listenerMock);
-
-        $this->platform->setEventManager($eventManager);
-
-        $table = new Table('test');
-        $table->addColumn('foo', 'string', ['notnull' => false, 'length' => 255]);
-        $table->addColumn('bar', 'string', ['notnull' => false, 'length' => 255]);
-
-        $this->platform->getCreateTableSQL($table);
-    }
-
-    public function testGetDropTableSqlDispatchEvent(): void
-    {
-        $listenerMock = $this->createMock(GetDropTableSqlDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaDropTable');
-
-        $eventManager = new EventManager();
-        $eventManager->addEventListener([Events::onSchemaDropTable], $listenerMock);
-
-        $this->platform->setEventManager($eventManager);
-
-        $this->platform->getDropTableSQL('TABLE');
-    }
-
-    public function testGetAlterTableSqlDispatchEvent(): void
-    {
-        $listenerMock = $this->createMock(GetAlterTableSqlDispatchEventListener::class);
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaAlterTable');
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaAlterTableAddColumn');
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaAlterTableRemoveColumn');
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaAlterTableChangeColumn');
-        $listenerMock
-            ->expects(self::once())
-            ->method('onSchemaAlterTableRenameColumn');
-
-        $eventManager = new EventManager();
-        $events       = [
-            Events::onSchemaAlterTable,
-            Events::onSchemaAlterTableAddColumn,
-            Events::onSchemaAlterTableRemoveColumn,
-            Events::onSchemaAlterTableChangeColumn,
-            Events::onSchemaAlterTableRenameColumn,
-        ];
-        $eventManager->addEventListener($events, $listenerMock);
-
-        $this->platform->setEventManager($eventManager);
-
-        $table = new Table('mytable');
-        $table->addColumn('removed', 'integer');
-        $table->addColumn('changed', 'integer');
-        $table->addColumn('renamed', 'integer');
-
-        $tableDiff = new TableDiff($table, [
-            new Column('added', Type::getType('integer')),
-        ], [
-            new ColumnDiff(
-                $table->getColumn('changed'),
-                new Column('changed2', Type::getType('string'), ['length' => 255]),
-            ),
-        ], [
-            new Column('removed', Type::getType('integer')),
-        ], [
-            'renamed' => new Column('renamed2', Type::getType('integer')),
-        ], [], [], [], [], [], [], []);
-
-        $this->platform->getAlterTableSQL($tableDiff);
-    }
-
     public function testGetDefaultValueDeclarationSQL(): void
     {
         // non-timestamp value will get single quotes
diff --git a/tests/Query/QueryBuilderTest.php b/tests/Query/QueryBuilderTest.php
index 002d3bda99f..3988bbaa794 100644
--- a/tests/Query/QueryBuilderTest.php
+++ b/tests/Query/QueryBuilderTest.php
@@ -474,12 +474,6 @@ public function testInsertValuesSetValue(): void
         self::assertEquals('INSERT INTO users (foo, bar) VALUES(?, ?)', (string) $qb);
     }
 
-    public function testGetConnection(): void
-    {
-        $qb = new QueryBuilder($this->conn);
-        self::assertSame($this->conn, $qb->getConnection());
-    }
-
     /** @dataProvider maxResultsProvider */
     public function testSetMaxResults(?int $maxResults): void
     {
diff --git a/tests/Schema/MySQLInheritCharsetTest.php b/tests/Schema/MySQLInheritCharsetTest.php
index 81c7b53f74c..8f15755debc 100644
--- a/tests/Schema/MySQLInheritCharsetTest.php
+++ b/tests/Schema/MySQLInheritCharsetTest.php
@@ -4,7 +4,6 @@
 
 namespace Doctrine\DBAL\Tests\Schema;
 
-use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Driver;
@@ -67,13 +66,11 @@ public function testTableOptions(): void
      */
     private function getTableOptionsForOverride(array $params = []): array
     {
-        $eventManager = new EventManager();
-
         $driverMock = $this->createMock(Driver::class);
 
         $platform = new MySQLPlatform();
         $params   = array_merge(['platform' => $platform], $params);
-        $conn     = new Connection($params, $driverMock, new Configuration(), $eventManager);
+        $conn     = new Connection($params, $driverMock, new Configuration());
         $manager  = new MySQLSchemaManager($conn, $platform);
 
         $schemaConfig = $manager->createSchemaConfig();