1 files changed, 2 insertions, 2 deletions
diff --git a/toolkit/components/aboutprocesses/content/aboutProcesses.js b/toolkit/components/aboutprocesses/content/aboutProcesses.js
index 4ad00b2840..3d80512407 100644
--- a/toolkit/components/aboutprocesses/content/aboutProcesses.js
+++ b/toolkit/components/aboutprocesses/content/aboutProcesses.js
@@ -787,7 +787,7 @@ var View = {
     return isOpen;
   },
 
-  displayDOMWindowRow(data, parent) {
+  displayDOMWindowRow(data) {
     const cellCount = 2;
     let rowId = "w:" + data.outerWindowId;
     let row = this._getOrCreateRow(rowId, cellCount);
@@ -1124,7 +1124,7 @@ var Control = {
     // Visibility change:
     // - stop updating while the user isn't looking;
     // - resume updating when the user returns.
-    window.addEventListener("visibilitychange", event => {
+    window.addEventListener("visibilitychange", () => {
       if (!document.hidden) {
         this._updateDisplay(true);
       }