diff --git a/scoper.inc.php b/scoper.inc.php
index 058a947a..f8180202 100644
--- a/scoper.inc.php
+++ b/scoper.inc.php
@@ -46,56 +46,17 @@
     return $files;
 })();
 
-$polyfillsBootstraps = array_map(
-    static fn (SplFileInfo $fileInfo) => $fileInfo->getPathname(),
-    iterator_to_array(
-        Finder::create()
-            ->files()
-            ->in(__DIR__.'/vendor/symfony/polyfill-*')
-            ->name('bootstrap*.php'),
-        false,
-    ),
-);
-
-$polyfillsStubs = array_map(
-    static fn (SplFileInfo $fileInfo) => $fileInfo->getPathname(),
-    iterator_to_array(
-        Finder::create()
-            ->files()
-            ->in(__DIR__.'/vendor/symfony/polyfill-*/Resources/stubs')
-            ->name('*.php'),
-        false,
-    ),
-);
-
-$symfonyDeprecationContracts = array_map(
-    static fn (SplFileInfo $fileInfo) => $fileInfo->getPathname(),
-    iterator_to_array(
-        Finder::create()
-            ->files()
-            ->in(__DIR__.'/vendor/symfony/deprecation-contracts')
-            ->name('*.php'),
-        false,
-    ),
-);
-
 return [
     'whitelist' => [
         Finder::class,
     ],
-    'exclude-namespaces' => [
-        'Symfony\Polyfill',
-    ],
+    'expose-global-functions' => true,
+    'expose-global-classes' => true,
     'exclude-constants' => [
         // Symfony global constants
         '/^SYMFONY\_[\p{L}_]+$/',
     ],
-    'exclude-files' => [
-        ...$jetBrainStubs,
-        ...$polyfillsBootstraps,
-        ...$polyfillsStubs,
-        ...$symfonyDeprecationContracts,
-    ],
+    'exclude-files' => $jetBrainStubs,
     'patchers' => [
         //
         // PHPStorm stub map: leave it unchanged
diff --git a/specs/class-const/global-scope-single-level.php b/specs/class-const/global-scope-single-level.php
index a8069aab..a27191db 100644
--- a/specs/class-const/global-scope-single-level.php
+++ b/specs/class-const/global-scope-single-level.php
@@ -55,6 +55,9 @@ class Command
 
     'Constant call on a class belonging to the global namespace which is excluded' => [
         'exclude-namespaces' => ['/^$/'],
+        'expected-recorded-classes' => [
+            ['Command', 'Humbug\Command'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -68,6 +71,7 @@ class Command {}
             class Command
             {
             }
+            \class_alias('Humbug\\Command', 'Command', \false);
             \Command::MAIN_CONST;
         }
         
diff --git a/specs/class-static-prop/global-scope-single-level.php b/specs/class-static-prop/global-scope-single-level.php
index c855c783..434aacaf 100644
--- a/specs/class-static-prop/global-scope-single-level.php
+++ b/specs/class-static-prop/global-scope-single-level.php
@@ -55,6 +55,9 @@ class Command
 
     'Constant call on a class belonging to the global namespace which is excluded' => [
         'exclude-namespaces' => ['/^$/'],
+        'expected-recorded-classes' => [
+            ['Command', 'Humbug\Command'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -68,6 +71,7 @@ class Command {}
             class Command
             {
             }
+            \class_alias('Humbug\\Command', 'Command', \false);
             \Command::$mainStaticProp;
         }
         
diff --git a/specs/class/abstract.php b/specs/class/abstract.php
index ad1ece3a..16dd37a5 100644
--- a/specs/class/abstract.php
+++ b/specs/class/abstract.php
@@ -88,6 +88,9 @@ public abstract function b();
 
     'Declaration in the global namespace with the global namespace excluded' => [
         'exclude-namespaces' => ['/^$/'],
+        'expected-recorded-classes' => [
+            ['A', 'Humbug\A'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -106,6 +109,7 @@ public function a()
                 }
                 public abstract function b();
             }
+            \class_alias('Humbug\\A', 'A', \false);
         }
         
         PHP,
@@ -143,7 +147,9 @@ public abstract function b();
     'Declaration of an exposed class in the global namespace which is excluded' => [
         'exclude-namespaces' => ['/^$/'],
         'expose-classes' => ['A'],
-        'expected-recorded-classes' => [],
+        'expected-recorded-classes' => [
+            ['A', 'Humbug\A'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -162,6 +168,7 @@ public function a()
                 }
                 public abstract function b();
             }
+            \class_alias('Humbug\\A', 'A', \false);
         }
         
         PHP,
diff --git a/specs/class/anonymous.php b/specs/class/anonymous.php
index 0048e475..0a3a56af 100644
--- a/specs/class/anonymous.php
+++ b/specs/class/anonymous.php
@@ -178,6 +178,11 @@ public function test()
 
     'Declaration in the global namespace which is excluded' => [
         'exclude-namespaces' => ['/^$/'],
+        'expected-recorded-classes' => [
+            ['A', 'Humbug\A'],
+            ['B', 'Humbug\B'],
+            ['C', 'Humbug\C'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -209,9 +214,11 @@ public function test() {
             interface B
             {
             }
+            \class_alias('Humbug\\B', 'B', \false);
             interface C
             {
             }
+            \class_alias('Humbug\\C', 'C', \false);
             new class
             {
                 public function test()
@@ -239,6 +246,7 @@ public function test()
                     };
                 }
             }
+            \class_alias('Humbug\\A', 'A', \false);
         }
         
         PHP,
diff --git a/specs/class/regular.php b/specs/class/regular.php
index 2bd4f1b2..80038ab7 100644
--- a/specs/class/regular.php
+++ b/specs/class/regular.php
@@ -82,6 +82,27 @@ public function a()
         PHP,
     ],
 
+    'Declaration of an internal class' => [
+        'expected-recorded-classes' => [
+            ['Normalizer', 'Humbug\Normalizer'],
+        ],
+        'payload' => <<<'PHP'
+        <?php
+        
+        class Normalizer {}
+        ----
+        <?php
+        
+        namespace Humbug;
+        
+        class Normalizer
+        {
+        }
+        \class_alias('Humbug\\Normalizer', 'Normalizer', \false);
+        
+        PHP,
+    ],
+
     'Declaration in a namespace' => <<<'PHP'
     <?php
     
diff --git a/specs/use/use-class.php b/specs/use/use-class.php
index 9fba85f5..e542e85a 100644
--- a/specs/use/use-class.php
+++ b/specs/use/use-class.php
@@ -148,6 +148,9 @@ class Foo
 
     'Use statement of a class belonging to the global scope which has been excluded' => [
         'exclude-namespaces' => [''],
+        'expected-recorded-classes' => [
+            ['Foo', 'Humbug\Foo'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -162,6 +165,7 @@ class Foo {}
             class Foo
             {
             }
+            \class_alias('Humbug\\Foo', 'Foo', \false);
             use Foo;
         }
         
@@ -171,7 +175,9 @@ class Foo
     'Use statement of an exposed class belonging to the global scope which has been excluded' => [
         'exclude-namespaces' => [''],
         'expose-classes' => ['Foo'],
-        'expected-recorded-classes' => [],
+        'expected-recorded-classes' => [
+            ['Foo', 'Humbug\Foo'],
+        ],
         'payload' => <<<'PHP'
         <?php
         
@@ -186,6 +192,7 @@ class Foo {}
             class Foo
             {
             }
+            \class_alias('Humbug\\Foo', 'Foo', \false);
             use Foo;
         }
         
diff --git a/src/PhpParser/NodeVisitor/ClassIdentifierRecorder.php b/src/PhpParser/NodeVisitor/ClassIdentifierRecorder.php
index cd3724dd..0dc32e9f 100644
--- a/src/PhpParser/NodeVisitor/ClassIdentifierRecorder.php
+++ b/src/PhpParser/NodeVisitor/ClassIdentifierRecorder.php
@@ -27,7 +27,7 @@
 use PhpParser\NodeVisitorAbstract;
 
 /**
- * Records the user classes which are exposed.
+ * Records the classes that need to be aliased.
  *
  * @private
  */
@@ -65,7 +65,7 @@ public function enterNode(Node $node): Node
             throw UnexpectedParsingScenario::create();
         }
 
-        if ($this->enrichedReflector->isExposedClass((string) $resolvedName)) {
+        if ($this->shouldBeAliased($resolvedName->toString())) {
             $this->symbolsRegistry->recordClass(
                 $resolvedName,
                 FullyQualifiedFactory::concat($this->prefix, $resolvedName),
@@ -74,4 +74,18 @@ public function enterNode(Node $node): Node
 
         return $node;
     }
+
+    private function shouldBeAliased(string $resolvedName): bool
+    {
+        if ($this->enrichedReflector->isExposedClass($resolvedName)) {
+            return true;
+        }
+
+        // Excluded global classes (for which we found a declaration) need to be
+        // aliased since otherwise any usage will not point to the prefixed
+        // version (since it's an alias) but the declaration will now declare
+        // a prefixed version (due to the namespace).
+        return $this->enrichedReflector->belongsToGlobalNamespace($resolvedName)
+            && $this->enrichedReflector->isClassExcluded($resolvedName);
+    }
 }