diff --git a/config/extensions.neon b/config/extensions.neon
index 4ac8673..3c0e332 100644
--- a/config/extensions.neon
+++ b/config/extensions.neon
@@ -4,8 +4,3 @@ services:
     -
         class: Rector\PHPStanRules\ReturnTypeExtension\FindInstanceOfReturnTypeExtension
         tags: [phpstan.broker.dynamicMethodReturnTypeExtension]
-
-    # $node->getAttribute($1) => Type|null by $1
-    -
-        class: Rector\PHPStanRules\ReturnTypeExtension\GetAttributeReturnTypeExtension
-        tags: [phpstan.broker.dynamicMethodReturnTypeExtension]
diff --git a/src/ReturnTypeExtension/GetAttributeReturnTypeExtension.php b/src/ReturnTypeExtension/GetAttributeReturnTypeExtension.php
deleted file mode 100644
index c316c5f..0000000
--- a/src/ReturnTypeExtension/GetAttributeReturnTypeExtension.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PHPStanRules\ReturnTypeExtension;
-
-use PhpParser\Node;
-use PhpParser\Node\Expr;
-use PhpParser\Node\Expr\ClassConstFetch;
-use PhpParser\Node\Expr\MethodCall;
-use PhpParser\Node\Identifier;
-use PhpParser\Node\Name;
-use PHPStan\Analyser\Scope;
-use PHPStan\Reflection\MethodReflection;
-use PHPStan\Reflection\ParametersAcceptorSelector;
-use PHPStan\Type\DynamicMethodReturnTypeExtension;
-use PHPStan\Type\NullType;
-use PHPStan\Type\ObjectType;
-use PHPStan\Type\Type;
-use PHPStan\Type\UnionType;
-
-final class GetAttributeReturnTypeExtension implements DynamicMethodReturnTypeExtension
-{
-    /**
-     * @var array<string, string>
-     */
-    private const ARGUMENT_KEY_TO_RETURN_TYPE = [
-        'Rector\NodeTypeResolver\Node\AttributeKey::SCOPE' => Scope::class,
-        # Node
-        'Rector\NodeTypeResolver\Node\AttributeKey::ORIGINAL_NODE' => Node::class,
-    ];
-
-    public function getClass(): string
-    {
-        return Node::class;
-    }
-
-    public function isMethodSupported(MethodReflection $methodReflection): bool
-    {
-        return $methodReflection->getName() === 'getAttribute';
-    }
-
-    public function getTypeFromMethodCall(
-        MethodReflection $methodReflection,
-        MethodCall $methodCall,
-        Scope $scope
-    ): Type {
-        $returnType = ParametersAcceptorSelector::selectSingle($methodReflection->getVariants())->getReturnType();
-
-        $argumentValue = $this->resolveArgumentValue($methodCall->getArgs()[0]->value);
-        if ($argumentValue === null) {
-            return $returnType;
-        }
-
-        if (! isset(self::ARGUMENT_KEY_TO_RETURN_TYPE[$argumentValue])) {
-            return $returnType;
-        }
-
-        $knownReturnType = self::ARGUMENT_KEY_TO_RETURN_TYPE[$argumentValue];
-        return new UnionType([new ObjectType($knownReturnType), new NullType()]);
-    }
-
-    private function resolveArgumentValue(Expr $expr): ?string
-    {
-        if ($expr instanceof ClassConstFetch) {
-            if (! $expr->class instanceof Name) {
-                return null;
-            }
-
-            $className = $expr->class->toString();
-
-            if (! $expr->name instanceof Identifier) {
-                return null;
-            }
-
-            $constName = $expr->name->toString();
-
-            return $className . '::' . $constName;
-        }
-        return null;
-    }
-}
diff --git a/tests/ReturnTypeExtension/GetAttributeReturnTypeExtension/GetAttributeReturnTypeExtensionTest.php b/tests/ReturnTypeExtension/GetAttributeReturnTypeExtension/GetAttributeReturnTypeExtensionTest.php
deleted file mode 100644
index f7443f6..0000000
--- a/tests/ReturnTypeExtension/GetAttributeReturnTypeExtension/GetAttributeReturnTypeExtensionTest.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PHPStanRules\Tests\ReturnTypeExtension\GetAttributeReturnTypeExtension;
-
-use Iterator;
-use PHPStan\Testing\TypeInferenceTestCase;
-use PHPUnit\Framework\Attributes\DataProvider;
-
-/**
- * @see \Rector\PHPStanRules\ReturnTypeExtension\GetAttributeReturnTypeExtension
- */
-final class GetAttributeReturnTypeExtensionTest extends TypeInferenceTestCase
-{
-    #[DataProvider('dataAsserts')]
-    public function testAsserts(string $assertType, string $file, mixed ...$args): void
-    {
-        $this->assertFileAsserts($assertType, $file, ...$args);
-    }
-
-    public static function dataAsserts(): Iterator
-    {
-        yield from self::gatherAssertTypes(__DIR__ . '/data/get_parent_node.php.inc');
-    }
-
-    /**
-     * @return string[]
-     */
-    public static function getAdditionalConfigFiles(): array
-    {
-        return [__DIR__ . '/../../../config/extensions.neon'];
-    }
-}
diff --git a/tests/ReturnTypeExtension/GetAttributeReturnTypeExtension/data/get_parent_node.php.inc b/tests/ReturnTypeExtension/GetAttributeReturnTypeExtension/data/get_parent_node.php.inc
deleted file mode 100644
index 4adb58e..0000000
--- a/tests/ReturnTypeExtension/GetAttributeReturnTypeExtension/data/get_parent_node.php.inc
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use PhpParser\Node\Scalar\String_;
-use Rector\NodeTypeResolver\Node\AttributeKey;
-
-$node = new String_('value');
-
-$scope = $node->getAttribute(AttributeKey::SCOPE);
-\PHPStan\Testing\assertType('PHPStan\Analyser\Scope|null', $scope);