diff --git a/config/application.rb b/config/application.rb
index f132d62ba..6f5542a1e 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -56,7 +56,7 @@ module RedmineApp
     #disable [deprecated] I18n.enforce_available_locales will default to true in the future.
     # If you really want to skip validation of your locale you can set I18n.enforce_available_locales = false
     # to avoid this message.
-    I18n.config.enforce_available_locales = false
+    #I18n.config.enforce_available_locales = false
 
     # Configure sensitive parameters which will be filtered from the log file.
     config.filter_parameters += [:password]