diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index ecb5ba8c3..b85a08bb9 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -240,21 +240,10 @@ class CoursesController < ApplicationController
     @subPage_title = l :label_student_list
     @render_file = 'member_list'
     @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1'
-
-    case params[:role]
-      when '1'
-        @subPage_title = l :label_teacher_list
-        #@members = searchTeacherAndAssistant(@course)
-      when '2'
-        @subPage_title = l :label_student_list
-        #@members = searchStudent(@course)
-      else
-        @subPage_title = ''
-        #@members = @course.member_principals.includes(:roles, :principal).all.sort
     @is_remote = true
     @score_sort_by = "desc"
     q = "#{params[:name].strip}"
-      #(redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
+    #(redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank?
     if params[:incourse]
       @results = searchmember_by_name(student_homework_score(0,0,0,"desc"), q)
 
@@ -266,14 +255,6 @@ class CoursesController < ApplicationController
     @result_count = @results.count
     @results = paginateHelper @results
 
-    cs = CoursesService.new
-    @members = cs.course_teacher_or_student_list(params,@course,User.current)
-    @members = paginateHelper @members
-    render :layout => 'base_courses'
-    end
-    if e.message == '403'
-      render_403
-    end
   end
 
   def addgroups