1 files changed, 3 insertions, 3 deletions
diff --git a/dom/filesystem/tests/script_promptHandler.js b/dom/filesystem/tests/script_promptHandler.js
index ed3bda7404..235842b455 100644
--- a/dom/filesystem/tests/script_promptHandler.js
+++ b/dom/filesystem/tests/script_promptHandler.js
@@ -2,17 +2,17 @@
 
 let dialogObserverTopic = "common-dialog-loaded";
 
-function dialogObserver(subj, topic, data) {
+function dialogObserver(subj) {
   subj.document.querySelector("dialog").acceptDialog();
   sendAsyncMessage("promptAccepted");
 }
 
-addMessageListener("init", message => {
+addMessageListener("init", () => {
   Services.obs.addObserver(dialogObserver, dialogObserverTopic);
   sendAsyncMessage("initDone");
 });
 
-addMessageListener("cleanup", message => {
+addMessageListener("cleanup", () => {
   Services.obs.removeObserver(dialogObserver, dialogObserverTopic);
   sendAsyncMessage("cleanupDone");
 });