diff --git a/src/Framework/TestCase.php b/src/Framework/TestCase.php
index 6a9cae6cf0d..c4d1e105394 100644
--- a/src/Framework/TestCase.php
+++ b/src/Framework/TestCase.php
@@ -1538,45 +1538,6 @@ final protected function getMockFromWsdl(string $wsdlFile, string $originalClass
         return $mockObject;
     }
 
-    /**
-     * Creates a mock object for the specified trait with all abstract methods
-     * of the trait mocked. Concrete methods to mock can be specified with the
-     * `$mockedMethods` parameter.
-     *
-     * @param trait-string           $traitName
-     * @param array<mixed>           $arguments
-     * @param list<non-empty-string> $mockedMethods
-     *
-     * @throws InvalidArgumentException
-     * @throws MockObjectException
-     *
-     * @deprecated https://github.com/sebastianbergmann/phpunit/issues/5243
-     */
-    final protected function getMockForTrait(string $traitName, array $arguments = [], string $mockClassName = '', bool $callOriginalConstructor = true, bool $callOriginalClone = true, bool $callAutoload = true, array $mockedMethods = [], bool $cloneArguments = false): MockObject
-    {
-        Event\Facade::emitter()->testTriggeredPhpunitDeprecation(
-            $this->valueObjectForEvents(),
-            'getMockForTrait() is deprecated and will be removed in PHPUnit 12 without replacement.',
-        );
-
-        $mockObject = (new MockGenerator)->mockObjectForTrait(
-            $traitName,
-            $arguments,
-            $mockClassName,
-            $callOriginalConstructor,
-            $callOriginalClone,
-            $callAutoload,
-            $mockedMethods,
-            $cloneArguments,
-        );
-
-        $this->registerMockObject($mockObject);
-
-        Event\Facade::emitter()->testCreatedMockObjectForTrait($traitName);
-
-        return $mockObject;
-    }
-
     /**
      * Creates an object that uses the specified trait.
      *
diff --git a/tests/unit/Framework/MockObject/Creation/GetMockForTraitTest.php b/tests/unit/Framework/MockObject/Creation/GetMockForTraitTest.php
deleted file mode 100644
index 92343d0c30b..00000000000
--- a/tests/unit/Framework/MockObject/Creation/GetMockForTraitTest.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php declare(strict_types=1);
-/*
- * This file is part of PHPUnit.
- *
- * (c) Sebastian Bergmann <sebastian@phpunit.de>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-namespace PHPUnit\Framework\MockObject;
-
-use PHPUnit\Framework\Attributes\Group;
-use PHPUnit\Framework\Attributes\IgnorePhpunitDeprecations;
-use PHPUnit\Framework\Attributes\Medium;
-use PHPUnit\Framework\Attributes\TestDox;
-use PHPUnit\Framework\MockObject\Generator\UnknownTraitException;
-use PHPUnit\Framework\TestCase;
-use PHPUnit\TestFixture\MockObject\TraitWithConcreteAndAbstractMethod;
-
-#[Group('test-doubles')]
-#[Group('test-doubles/creation')]
-#[Group('test-doubles/mock-object')]
-#[Medium]
-#[TestDox('getMockForTrait()')]
-#[IgnorePhpunitDeprecations]
-final class GetMockForTraitTest extends TestCase
-{
-    public function testCreatesMockObjectForTraitAndAllowsConfigurationOfAbstractMethods(): void
-    {
-        $mock = $this->getMockForTrait(TraitWithConcreteAndAbstractMethod::class);
-
-        $mock->method('abstractMethod')->willReturn(true);
-
-        $this->assertTrue($mock->concreteMethod());
-    }
-
-    public function testCannotCreateMockObjectForTraitThatDoesNotExist(): void
-    {
-        $this->expectException(UnknownTraitException::class);
-        $this->expectExceptionMessage('Trait "TraitThatDoesNotExist" does not exist');
-
-        $this->getMockForTrait('TraitThatDoesNotExist');
-    }
-}