diff --git a/browser/base/content/browser-pageActions.js b/browser/base/content/browser-pageActions.js
index f3b608e8827d..d68dcd5a1c1e 100644
--- a/browser/base/content/browser-pageActions.js
+++ b/browser/base/content/browser-pageActions.js
@@ -461,7 +461,7 @@ var BrowserPageActions = {
   },
 
   doCommandForAction(action, event, buttonNode) {
-    if (event.type == "click" && event.button != 0) {
+    if (event && event.type == "click" && event.button != 0) {
       return;
     }
     PageActions.logTelemetry("used", action, buttonNode);
diff --git a/browser/extensions/pocket/content/Pocket.jsm b/browser/extensions/pocket/content/Pocket.jsm
index a525179bc13d..7b8912f93436 100644
--- a/browser/extensions/pocket/content/Pocket.jsm
+++ b/browser/extensions/pocket/content/Pocket.jsm
@@ -32,10 +32,6 @@ var Pocket = {
   /**
    * Functions related to the Pocket panel UI.
    */
-  onBeforeCommand(event) {
-    BrowserUtils.setToolbarButtonHeightProperty(event.target);
-  },
-
   onShownInPhotonPageActionPanel(panel, iframe) {
     let window = panel.ownerGlobal;
     window.pktUI.setPhotonPageActionPanelFrame(iframe);