diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index d0a2e5e..75cb22b 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -1,6 +1,5 @@
 class CoursesController < ApplicationController
   include MessagesHelper
-  include ExportHelper
   include CustomSortable
 
   # model validation error