2 files changed, 7 insertions, 6 deletions
diff --git a/dom/promise/tests/unit/test_monitor_uncaught.js b/dom/promise/tests/unit/test_monitor_uncaught.js
index afa328cb97..043e6dac8f 100644
--- a/dom/promise/tests/unit/test_monitor_uncaught.js
+++ b/dom/promise/tests/unit/test_monitor_uncaught.js
@@ -23,8 +23,8 @@ add_task(async function test_globals() {
 });
 
 add_task(async function test_promiseID() {
-  let p1 = new Promise(resolve => {});
-  let p2 = new Promise(resolve => {});
+  let p1 = new Promise(() => {});
+  let p2 = new Promise(() => {});
   let p3 = p2.catch(null);
   let promise = [p1, p2, p3];
 
@@ -111,7 +111,7 @@ add_task(async function test_observe_uncaught() {
   let onConsumed = new CallbackResults("onConsumed");
 
   let observer = {
-    onLeftUncaught(promise, data) {
+    onLeftUncaught(promise) {
       onLeftUncaught.observe(promise);
     },
     onConsumed(promise) {
@@ -121,7 +121,7 @@ add_task(async function test_observe_uncaught() {
 
   let resolveLater = function (delay = 20) {
     // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
-    return new Promise((resolve, reject) => setTimeout(resolve, delay));
+    return new Promise(resolve => setTimeout(resolve, delay));
   };
   let rejectLater = function (delay = 20) {
     // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
diff --git a/dom/promise/tests/unit/test_promise_job_across_sandbox.js b/dom/promise/tests/unit/test_promise_job_across_sandbox.js
index ff1d1575e3..d98947cccc 100644
--- a/dom/promise/tests/unit/test_promise_job_across_sandbox.js
+++ b/dom/promise/tests/unit/test_promise_job_across_sandbox.js
@@ -114,7 +114,7 @@ add_task(async function testThenableJob() {
   const p = new Promise(resolve => {
     // Create a bound function where its realm is privileged realm, and
     // its target is from sandbox realm.
-    sandbox.then = function (onFulfilled, onRejected) {
+    sandbox.then = function () {
       resolve(10);
     };
   });
@@ -138,7 +138,7 @@ add_task(async function testThenableJobNuked() {
   const sandbox = createSandbox();
 
   let called = false;
-  sandbox.then = function (onFulfilled, onRejected) {
+  sandbox.then = function () {
     called = true;
   };
 
@@ -175,6 +175,7 @@ add_task(async function testThenableJobAccessError() {
   sandbox.thenable = {
     get then() {
       accessed = true;
+      return undefined;
     },
   };