diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index a9dcf25b9..d90927875 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -45,6 +45,7 @@ module ApplicationHelper
 
   # Display a link to remote if user is authorized
   def link_to_remote_if_authorized(name, options = {}, html_options = nil)
+    ActiveSupport::Deprecation.warn "ApplicationHelper#link_to_remote_if_authorized is deprecated and will be removed in Redmine 2.2."
     url = options[:url] || {}
     link_to_remote(name, options, html_options) if authorize_for(url[:controller] || params[:controller], url[:action])
   end