1 files changed, 0 insertions, 11 deletions
diff --git a/lib/realtime.js b/lib/realtime.js
index d85d728e..ec99707e 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -3,7 +3,6 @@
 // external modules
 var cookie = require('cookie')
 var cookieParser = require('cookie-parser')
-var url = require('url')
 var async = require('async')
 var randomcolor = require('randomcolor')
 var Chance = require('chance')
@@ -277,16 +276,6 @@ function extractNoteIdFromSocket (socket) {
   }
   if (socket.handshake.query && socket.handshake.query.noteId) {
     return socket.handshake.query.noteId
-  } else if (socket.handshake.headers) {
-    // this part is only for backward compatibility only; current code
-    // should be using noteId query parameter instead.
-    var referer = socket.handshake.headers.referer
-    if (!referer) {
-      return false
-    }
-    var hostUrl = url.URL.parse(referer)
-    var noteId = config.urlPath ? hostUrl.pathname.slice(config.urlPath.length + 1, hostUrl.pathname.length).split('/')[1] : hostUrl.pathname.split('/')[1]
-    return noteId
   } else {
     return false
   }