diff --git a/web/js/network/webrtc.js b/web/js/network/webrtc.js
index b7575b90..fd69cba8 100755
--- a/web/js/network/webrtc.js
+++ b/web/js/network/webrtc.js
@@ -212,6 +212,13 @@ export const webrtc = {
             stream = null;
         }
         if (pc) {
+            pc.oniceconnectionstatechange = null;
+            pc.onicegatheringstatechange = null;
+            pc.onicecandidate = null;
+            pc.onicecandidateerror = null;
+            pc.onconnectionstatechange = null;
+            pc.ondatachannel = null;
+            pc.ontrack = null;
             pc.close();
             pc = null;
         }