diff --git a/web/gui/src/main/webapp/app/fw/remote/wsevent.js b/web/gui/src/main/webapp/app/fw/remote/wsevent.js
index bf04b86..02d71b5 100644
--- a/web/gui/src/main/webapp/app/fw/remote/wsevent.js
+++ b/web/gui/src/main/webapp/app/fw/remote/wsevent.js
@@ -15,6 +15,7 @@
  */
 
 /*
+ DEPRECATED: to be deleted
  ONOS GUI -- Remote -- Web Socket Event Service
  */
 (function () {