diff --git a/vendor/built_in_modules/calendar_new/init.rb b/vendor/built_in_modules/calendar_new/init.rb
index 58517f9e5..17c1e32d5 100644
--- a/vendor/built_in_modules/calendar_new/init.rb
+++ b/vendor/built_in_modules/calendar_new/init.rb
@@ -13,7 +13,6 @@ module CalendarNew
     authorizable
     categorizable
     taggable
-    category_customizable
 
    front_end do
       app_page 'events'  do