diff --git a/src/Framework/MockObject/MockBuilder.php b/src/Framework/MockObject/MockBuilder.php
index e51ae8c62a6..f96e248e58b 100644
--- a/src/Framework/MockObject/MockBuilder.php
+++ b/src/Framework/MockObject/MockBuilder.php
@@ -123,42 +123,6 @@ public function getMock(): MockObject
         return $object;
     }
 
-    /**
-     * Creates a mock object for an abstract class using a fluent interface.
-     *
-     * @throws Exception
-     * @throws ReflectionException
-     * @throws RuntimeException
-     *
-     * @return MockedType&MockObject
-     *
-     * @deprecated https://github.com/sebastianbergmann/phpunit/issues/5305
-     */
-    public function getMockForAbstractClass(): MockObject
-    {
-        EventFacade::emitter()->testTriggeredPhpunitDeprecation(
-            $this->testCase->valueObjectForEvents(),
-            'MockBuilder::getMockForAbstractClass() is deprecated and will be removed in PHPUnit 12 without replacement.',
-        );
-
-        $object = $this->generator->mockObjectForAbstractClass(
-            $this->type,
-            $this->constructorArgs,
-            $this->mockClassName ?? '',
-            $this->originalConstructor,
-            $this->originalClone,
-            $this->autoload,
-            $this->methods,
-            $this->cloneArguments,
-        );
-
-        assert($object instanceof MockObject);
-
-        $this->testCase->registerMockObject($object);
-
-        return $object;
-    }
-
     /**
      * Creates a mock object for a trait using a fluent interface.
      *