diff --git a/app/views/exercise/_edit_head.html.erb b/app/views/exercise/_edit_head.html.erb
index 64f34b5aa..a071904ce 100644
--- a/app/views/exercise/_edit_head.html.erb
+++ b/app/views/exercise/_edit_head.html.erb
@@ -35,6 +35,5 @@
         $("#exercise_time").val("<%=exercise.time if exercise.time!= -1 %>");
         $("#exercise_publish_time").val("<%= Time.parse(format_time(exercise.publish_time)).strftime("%Y-%m-%d") if !exercise.publish_time.nil?%>");
         /*$("#exercise_description").text("<%#=exercise.exercise_description.html_safe %>");*/
-        document.getElementById("exercise_description").innerHTML = <%=exercise.exercise_description.html_safe %>;
     }
 </script>
\ No newline at end of file