diff --git a/datamodels/2.x/itop-core-update/src/Controller/AjaxController.php b/datamodels/2.x/itop-core-update/src/Controller/AjaxController.php
index aa510a93d2..777858e368 100644
--- a/datamodels/2.x/itop-core-update/src/Controller/AjaxController.php
+++ b/datamodels/2.x/itop-core-update/src/Controller/AjaxController.php
@@ -46,10 +46,6 @@ class AjaxController extends Controller
 			define('MODULESROOT', APPROOT.'env-production/');
 		}
 
-		require_once(MODULESROOT.'itop-core-update/src/Service/RunTimeEnvironmentCoreUpdater.php');
-		require_once(MODULESROOT.'itop-core-update/src/Service/CoreUpdater.php');
-		require_once(MODULESROOT.'itop-core-update/src/Controller/AjaxController.php');
-
 		MetaModel::LoadConfig(utils::GetConfig());
 
 		$sViewPath = MODULESROOT.'itop-core-update/templates';