reverted:
--- b/group_content_menu.services.yml
+++ a/group_content_menu.services.yml
@@ -5,12 +5,3 @@
       - '@entity_type.manager'
     tags:
       - { name: access_check, applies_to: _group_menu_owns_content }
-
-  group_content_menu.route_subscriber:
-    class: Drupal\group_content_menu\Routing\GroupContentMenuRouteSubscriber
-    arguments: [ ]
-    tags:
-      - { name: event_subscriber }
-
-  access_check.group_content_menu.group_menu_item_translate:
-    class: Drupal\group_content_menu\Access\GroupMenuItemTranslateAccess