diff --git a/webrtc/RTCPeerConnection-helper.js b/webrtc/RTCPeerConnection-helper.js
index 8a11a1ca1e9a00..25d126f9a9badd 100644
--- a/webrtc/RTCPeerConnection-helper.js
+++ b/webrtc/RTCPeerConnection-helper.js
@@ -598,7 +598,6 @@ const trackFactories = {
       if (signal !== null) {
         ctx.fillStyle = `rgb(${signal}, ${signal}, ${signal})`;
         ctx.fillRect(10, 10, 20, 20);
-        let pixel = ctx.getImageData(15, 15, 1, 1);
       }
     }, 100);