diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 1bdc29d81..6a0210a2b 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -880,7 +880,6 @@ module ApplicationHelper
     css << 'has-main-menu' if display_main_menu?(@project)
     css << 'controller-' + controller_name
     css << 'action-' + action_name
-    css << 'avatars-' + (Setting.gravatar_enabled? ? 'on' : 'off')
     if UserPreference::TEXTAREA_FONT_OPTIONS.include?(User.current.pref.textarea_font)
       css << "textarea-#{User.current.pref.textarea_font}"
     end