2 files changed, 6 insertions, 10 deletions
diff --git a/toolkit/components/processtools/tests/browser/browser_test_powerMetrics.js b/toolkit/components/processtools/tests/browser/browser_test_powerMetrics.js
index 93833a5207..0ebaaa969e 100644
--- a/toolkit/components/processtools/tests/browser/browser_test_powerMetrics.js
+++ b/toolkit/components/processtools/tests/browser/browser_test_powerMetrics.js
@@ -87,16 +87,12 @@ add_task(async () => {
       let initalCpuTime = await getChildCpuTime(pid);
       let afterCpuTime;
       do {
-        await SpecialPowers.spawn(
-          firstBrowser,
-          [kBusyWaitForMs],
-          async kBusyWaitForMs => {
-            let startTime = Date.now();
-            while (Date.now() - startTime < 10) {
-              // Burn CPU time...
-            }
+        await SpecialPowers.spawn(firstBrowser, [kBusyWaitForMs], async () => {
+          let startTime = Date.now();
+          while (Date.now() - startTime < 10) {
+            // Burn CPU time...
           }
-        );
+        });
         afterCpuTime = await getChildCpuTime(pid);
       } while (afterCpuTime - initalCpuTime < kBusyWaitForMs * kNS_PER_MS);
       cpuTimeSpentOnBackgroundTab = Math.floor(
diff --git a/toolkit/components/processtools/tests/browser/browser_test_procinfo.js b/toolkit/components/processtools/tests/browser/browser_test_procinfo.js
index 07c7d5d2d0..5a301c664a 100644
--- a/toolkit/components/processtools/tests/browser/browser_test_procinfo.js
+++ b/toolkit/components/processtools/tests/browser/browser_test_procinfo.js
@@ -58,7 +58,7 @@ add_task(async function test_proc_info() {
 
   await BrowserTestUtils.withNewTab(
     { gBrowser, url: DUMMY_URL },
-    async function (browser) {
+    async function () {
       // We test `SAMPLE_SIZE` times to increase a tad the chance of encountering race conditions.
       for (let z = 0; z < SAMPLE_SIZE; z++) {
         let parentProc = await ChromeUtils.requestProcInfo();