diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index a718db944..89578281e 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -536,17 +536,6 @@ $(function(){
     });
 });
 
-//课程通知更多按钮显示
-$(function(){
-    $('.news_description').each(function () {
-            if($(this).height() >= 38)
-            {
-                $('#news_foot_'+$(this).attr('id').replace('news_description_','')).css("display","block");
-            }
-        }
-    )
-});
-
 //查找TAG资源
 function search_tag_attachment(url,tag_name,q,course_id,sort)
 {