diff --git a/app/services/syllabuses_service.rb b/app/services/syllabuses_service.rb
index b44e6e126..d0bf816ec 100644
--- a/app/services/syllabuses_service.rb
+++ b/app/services/syllabuses_service.rb
@@ -47,8 +47,7 @@ class SyllabusesService
     syllabus_ids = courses.empty? ? '(-1)' : "(" + courses.map{|course| !course.syllabus_id.nil? && course.syllabus_id}.join(",") + ")"
     syllabuses = Syllabus.where("id in #{syllabus_ids} or user_id = #{user.id}").order("updated_at desc")
 
-    user.syllabuses = syllabuses
-    user.syllabuses.each do |syllabus|
+    syllabuses.each do |syllabus|
       syllabus.courses = syllabus.courses.not_deleted
     end