1 files changed, 2 insertions, 2 deletions
diff --git a/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html b/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html
index 2ecc24e648..d0c2f59844 100644
--- a/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html
+++ b/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html
@@ -11,12 +11,12 @@
 
 fetch("file_simple_iframe.txt");
 const worker = new Worker("file_simple_worker.js?iniframe=true");
-worker.onmessage = (msg) => {
+worker.onmessage = () => {
   worker.postMessage("file_simple_iframe_worker.txt");
 }
 
 const sharedworker = new SharedWorker("file_simple_sharedworker.js?iniframe=true");
-sharedworker.port.onmessage = (msg) => {
+sharedworker.port.onmessage = () => {
   sharedworker.port.postMessage("file_simple_iframe_sharedworker.txt");
 }
 sharedworker.port.start();