diff --git a/src/Doctrine/DoctrineHelper.php b/src/Doctrine/DoctrineHelper.php
index 72a077bcb..65e03c06d 100644
--- a/src/Doctrine/DoctrineHelper.php
+++ b/src/Doctrine/DoctrineHelper.php
@@ -155,7 +155,6 @@ public function getMetadata(?string $classOrNamespace = null, bool $disconnected
                 if ($attributeDriver instanceof AttributeDriver) {
                     $classNames = (new \ReflectionClass(AttributeDriver::class))->getProperty('classNames');
 
-                    $classNames->setAccessible(true);
                     $classNames->setValue($attributeDriver, null);
                 }
             }