Remove helper

app/helpers/ci_status_helper.rb

@@ -121,8 +121,4 @@ module CiStatusHelper
       status.respond_to?(:label) &&
       status.respond_to?(:icon)
   end
-
-  def ci_status_favicon_path(favicon_name)
-    ActionController::Base.helpers.image_path(File.join('ci_favicons', "#{favicon_name}.ico"))
-  end
 end

app/serializers/status_entity.rb

 class StatusEntity < Grape::Entity
   include RequestAwareEntity
-  include CiStatusHelper
 
   format_with(:status_favicon_path) do |favicon_name|
     ci_status_favicon_path(favicon_name)
@@ -11,5 +10,7 @@ class StatusEntity < Grape::Entity
   expose :has_details?, as: :has_details
   expose :details_path
 
-  expose :favicon, format_with: :status_favicon_path
+  expose :favicon do |status|
+    ActionController::Base.helpers.image_path(File.join('ci_favicons', "#{status.favicon}.ico"))
+  end
 end