diff --git a/src/Doctrine/EntityManagerFactory.php b/src/Doctrine/EntityManagerFactory.php
index ac19a4e..e937a76 100644
--- a/src/Doctrine/EntityManagerFactory.php
+++ b/src/Doctrine/EntityManagerFactory.php
@@ -65,9 +65,6 @@ private function createConfiguration(bool $isDev, string $proxyDir, CacheItemPoo
         $config->setProxyNamespace('DoctrineProxies');
         $config->setAutoGenerateProxyClasses($isDev);
 
-        // Changes the "engine" used to build entity proxies, to one where public readonly props can be used
-        $config->setLazyGhostObjectEnabled(true);
-
         return $config;
     }
 
diff --git a/test/Doctrine/EntityManagerFactoryTest.php b/test/Doctrine/EntityManagerFactoryTest.php
index 2eecea5..34648fe 100644
--- a/test/Doctrine/EntityManagerFactoryTest.php
+++ b/test/Doctrine/EntityManagerFactoryTest.php
@@ -73,7 +73,6 @@ public function serviceIsCreated(
         self::assertEquals(__DIR__, $em->getConfiguration()->getProxyDir());
         self::assertInstanceOf(SQLiteDriver::class, $em->getConnection()->getDriver());
         self::assertEquals($expectedDefaultRepo, $em->getConfiguration()->getDefaultRepositoryClassName());
-        self::assertTrue($em->getConfiguration()->isLazyGhostObjectEnabled());
 
         /** @var PHPDriver $metaDriver */
         $metaDriver = $em->getConfiguration()->getMetadataDriverImpl();