3 files changed, 10 insertions, 10 deletions
diff --git a/toolkit/mozapps/update/tests/data/app_update.sjs b/toolkit/mozapps/update/tests/data/app_update.sjs
index 2081118547..1d5d23bfb5 100644
--- a/toolkit/mozapps/update/tests/data/app_update.sjs
+++ b/toolkit/mozapps/update/tests/data/app_update.sjs
@@ -79,7 +79,7 @@ function handleRequest(aRequest, aResponse) {
     let retries = 0;
     gSlowDownloadTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
     gSlowDownloadTimer.initWithCallback(
-      function (aTimer) {
+      function (_aTimer) {
         let continueFile = getTestDataFile(CONTINUE_DOWNLOAD);
         retries++;
         if (continueFile.exists() || retries == MAX_SLOW_RESPONSE_RETRIES) {
@@ -197,7 +197,7 @@ function respond(aResponse, aParams, aResponseString) {
     aResponse.processAsync();
     gSlowCheckTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
     gSlowCheckTimer.initWithCallback(
-      function (aTimer) {
+      function (_aTimer) {
         retries++;
         let continueFile = getTestDataFile(CONTINUE_CHECK);
         if (continueFile.exists() || retries == MAX_SLOW_RESPONSE_RETRIES) {
diff --git a/toolkit/mozapps/update/tests/data/shared.js b/toolkit/mozapps/update/tests/data/shared.js
index fc3d358586..60de6feeb8 100644
--- a/toolkit/mozapps/update/tests/data/shared.js
+++ b/toolkit/mozapps/update/tests/data/shared.js
@@ -922,7 +922,7 @@ async function continueFileHandler(leafName) {
     "Waiting for file to be deleted, path: " + continueFile.path,
     interval,
     retries
-  ).catch(e => {
+  ).catch(_e => {
     logTestInfo(
       "Continue file was not removed after checking " +
         retries +
diff --git a/toolkit/mozapps/update/tests/data/xpcshellUtilsAUS.js b/toolkit/mozapps/update/tests/data/xpcshellUtilsAUS.js
index e88a4418cb..4b12edf6f0 100644
--- a/toolkit/mozapps/update/tests/data/xpcshellUtilsAUS.js
+++ b/toolkit/mozapps/update/tests/data/xpcshellUtilsAUS.js
@@ -3766,7 +3766,7 @@ function checkFilesAfterUpdateSuccess(
           "xattr value changed"
         );
       },
-      reason => {
+      _reason => {
         Assert.fail(MAC_APP_XATTR_KEY + " xattr is missing!");
       }
     );
@@ -4233,9 +4233,9 @@ async function waitForUpdateDownload(aUpdates, aExpectedStatus) {
   }
   return new Promise(resolve =>
     gAUS.addDownloadListener({
-      onStartRequest: aRequest => {},
-      onProgress: (aRequest, aContext, aProgress, aMaxProgress) => {},
-      onStatus: (aRequest, aStatus, aStatusText) => {},
+      onStartRequest: _aRequest => {},
+      onProgress: (_aRequest, _aContext, _aProgress, _aMaxProgress) => {},
+      onStatus: (_aRequest, _aStatus, _aStatusText) => {},
       onStopRequest(request, status) {
         gAUS.removeDownloadListener(this);
         Assert.equal(
@@ -4552,7 +4552,7 @@ function adjustGeneralPaths() {
  * The timer callback to kill the process if it takes too long.
  */
 const gAppTimerCallback = {
-  notify: function TC_notify(aTimer) {
+  notify: function TC_notify(_aTimer) {
     gAppTimer = null;
     if (gProcess.isRunning) {
       logTestInfo("attempting to kill process");
@@ -4662,7 +4662,7 @@ function IncrementalDownload() {
 
 IncrementalDownload.prototype = {
   /* nsIIncrementalDownload */
-  init(uri, file, chunkSize, intervalInSeconds) {
+  init(uri, file, _chunkSize, _intervalInSeconds) {
     this._destination = file;
     this._URI = uri;
     this._finalURI = uri;
@@ -4729,7 +4729,7 @@ IncrementalDownload.prototype = {
   },
 
   /* nsIRequest */
-  cancel(aStatus) {
+  cancel(_aStatus) {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   },
   suspend() {