diff --git a/.phpstorm.meta.php b/.phpstorm.meta.php
index 496a943e039..af7fbb3e516 100644
--- a/.phpstorm.meta.php
+++ b/.phpstorm.meta.php
@@ -30,9 +30,4 @@
         \PHPUnit\Framework\TestCase::createTestProxy(0),
         map([""=>"$0"])
     );
-
-    override(
-        \PHPUnit\Framework\TestCase::getMockForAbstractClass(0),
-        map([""=>"$0"])
-    );
 }
diff --git a/src/Framework/TestCase.php b/src/Framework/TestCase.php
index dd5fc99a96a..a885f7c5f50 100644
--- a/src/Framework/TestCase.php
+++ b/src/Framework/TestCase.php
@@ -1421,50 +1421,6 @@ final protected function createTestProxy(string $originalClassName, array $const
         return $testProxy;
     }
 
-    /**
-     * Creates a mock object for the specified abstract class with all abstract
-     * methods of the class mocked. Concrete methods are not mocked by default.
-     * To mock concrete methods, use the 7th parameter ($mockedMethods).
-     *
-     * @psalm-template RealInstanceType of object
-     *
-     * @psalm-param class-string<RealInstanceType> $originalClassName
-     *
-     * @psalm-return MockObject&RealInstanceType
-     *
-     * @throws InvalidArgumentException
-     * @throws MockObjectException
-     *
-     * @deprecated https://github.com/sebastianbergmann/phpunit/issues/5241
-     */
-    final protected function getMockForAbstractClass(string $originalClassName, 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(),
-            'getMockForAbstractClass() is deprecated and will be removed in PHPUnit 12 without replacement.',
-        );
-
-        $mockObject = (new MockGenerator)->mockObjectForAbstractClass(
-            $originalClassName,
-            $arguments,
-            $mockClassName,
-            $callOriginalConstructor,
-            $callOriginalClone,
-            $callAutoload,
-            $mockedMethods,
-            $cloneArguments,
-        );
-
-        $this->registerMockObject($mockObject);
-
-        Event\Facade::emitter()->testCreatedMockObjectForAbstractClass($originalClassName);
-
-        assert($mockObject instanceof $originalClassName);
-        assert($mockObject instanceof MockObject);
-
-        return $mockObject;
-    }
-
     /**
      * Creates a mock object based on the given WSDL file.
      *
diff --git a/tests/unit/Framework/MockObject/Creation/GetMockForAbstractClassTest.php b/tests/unit/Framework/MockObject/Creation/GetMockForAbstractClassTest.php
deleted file mode 100644
index 7a545ac808d..00000000000
--- a/tests/unit/Framework/MockObject/Creation/GetMockForAbstractClassTest.php
+++ /dev/null
@@ -1,69 +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\RequiresPhpExtension;
-use PHPUnit\Framework\Attributes\TestDox;
-use PHPUnit\Framework\MockObject\Generator\UnknownClassException;
-use PHPUnit\Framework\TestCase;
-use PHPUnit\TestFixture\MockObject\AbstractClass;
-use ReflectionProperty;
-
-#[Group('test-doubles')]
-#[Group('test-doubles/creation')]
-#[Group('test-doubles/mock-object')]
-#[Medium]
-#[RequiresPhpExtension('soap')]
-#[TestDox('getMockForAbstractClass()')]
-#[IgnorePhpunitDeprecations]
-final class GetMockForAbstractClassTest extends TestCase
-{
-    public function testCreatesMockObjectForAbstractClassAndAllowsConfigurationOfAbstractMethods(): void
-    {
-        $mock = $this->getMockForAbstractClass(AbstractClass::class);
-
-        $mock->expects($this->once())->method('doSomethingElse')->willReturn(true);
-
-        $this->assertTrue($mock->doSomething());
-    }
-
-    public function testCannotCreateMockObjectForAbstractClassThatDoesNotExist(): void
-    {
-        $this->expectException(UnknownClassException::class);
-        $this->expectExceptionMessage('Class "DoesNotExist" does not exist');
-
-        $this->getMockForAbstractClass('DoesNotExist');
-    }
-
-    public function testCreatesMockObjectForAbstractClassAndDoesNotAllowConfigurationOfConcreteMethods(): void
-    {
-        $mock = $this->getMockForAbstractClass(AbstractClass::class);
-
-        try {
-            $mock->expects($this->once())->method('doSomething');
-        } catch (MethodCannotBeConfiguredException $e) {
-            $this->assertSame('Trying to configure method "doSomething" which cannot be configured because it does not exist, has not been specified, is final, or is static', $e->getMessage());
-
-            return;
-        } finally {
-            $this->resetMockObjects();
-        }
-
-        $this->fail();
-    }
-
-    private function resetMockObjects(): void
-    {
-        (new ReflectionProperty(TestCase::class, 'mockObjects'))->setValue($this, []);
-    }
-}