1 files changed, 0 insertions, 10 deletions
diff --git a/lib/realtime.js b/lib/realtime.js
index d85d728e..5dea47cc 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -277,16 +277,6 @@ 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
   }