diff --git a/phpBB/config/services.yml b/phpBB/config/services.yml
index de4744cd45..f6dbae4a76 100644
--- a/phpBB/config/services.yml
+++ b/phpBB/config/services.yml
@@ -74,7 +74,6 @@ services:
             - @user
             - @config
             - @router
-            - @ext.manager
             - @symfony_request
             - @request
             - @filesystem