diff --git a/config/application.rb b/config/application.rb
index 1e9234dc4..e434bd2a3 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -50,6 +50,9 @@ module RedmineApp
 
     config.action_mailer.perform_deliveries = false
 
+    # Do not include all helpers
+    config.action_controller.include_all_helpers = false
+
     config.session_store :cookie_store, :key => '_redmine_session'
 
     if File.exists?(File.join(File.dirname(__FILE__), 'additional_environment.rb'))