diff --git a/server/src/main/resources/static/index.html b/server/src/main/resources/static/index.html
index 47ee203..46b4ca8 100644
--- a/server/src/main/resources/static/index.html
+++ b/server/src/main/resources/static/index.html
@@ -64,7 +64,6 @@
     </div>
   </div>
 
-  <script src="//cdnjs.cloudflare.com/ajax/libs/sockjs-client/1.1.4/sockjs.min.js"></script>
   <!-- https://github.com/stomp-js/stomp-websocket -->
   <script src="stomp-3.1.1.min.js"></script>
   <script src="client.js"></script>