diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 9adddf597..f1fc110a4 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -163,8 +163,13 @@ class ShixunsController < ApplicationController
 
   def collaborators_delete
     user_id = params[:c_id]
+    gid = User.find(user_id).try(:gid)
     shixun_member = ShixunMember.where(:user_id => user_id, :shixun_id => @shixun.id, :role => 2).first
     shixun_member.delete
+    g = Gitlab.client
+    unless gid.nil?
+      g.remove_team_member(@shixun.gpid, gid)
+    end
     @collaborators = @shixun.collaborators
     respond_to do |format|
       format.js