diff --git a/Demo/shareTheScreen/shareTheScreen.js b/Demo/shareTheScreen/shareTheScreen.js
index 3631aef..118833b 100644
--- a/Demo/shareTheScreen/shareTheScreen.js
+++ b/Demo/shareTheScreen/shareTheScreen.js
@@ -60,11 +60,10 @@ async function join() {
   client.on("user-unpublished", handleUserUnpublished);
 
   // join a channel and create local tracks, we can use Promise.all to run them concurrently
-  [ options.uid, localTracks.audioTrack, localTracks.videoTrack ] = await Promise.all([
+  [ options.uid, localTracks.videoTrack ] = await Promise.all([
     // join the channel
     client.join(options.appid, options.channel, options.token || null, options.uid),
     // ** create local tracks, using microphone and screen
-    ArRTC.createMicrophoneAudioTrack(),
     ArRTC.createScreenVideoTrack()
   ]);