diff --git a/toolkit/xre/MacApplicationDelegate.mm b/toolkit/xre/MacApplicationDelegate.mm
index 5b74d31a3f3f..71e6de1f4c65 100644
--- a/toolkit/xre/MacApplicationDelegate.mm
+++ b/toolkit/xre/MacApplicationDelegate.mm
@@ -34,6 +34,7 @@
 #include "nsString.h"
 #include "nsCommandLineServiceMac.h"
 #include "nsCommandLine.h"
+#include "nsStandaloneNativeMenu.h"
 
 class AutoAutoreleasePool {
  public:
@@ -246,9 +247,12 @@ void ProcessPendingGetURLAppleEvents() {
       do_GetService("@mozilla.org/widget/macdocksupport;1", &rv);
   if (NS_FAILED(rv) || !dockSupport) return menu;
 
-  nsCOMPtr<nsIStandaloneNativeMenu> dockMenu;
-  rv = dockSupport->GetDockMenu(getter_AddRefs(dockMenu));
-  if (NS_FAILED(rv) || !dockMenu) return menu;
+  nsCOMPtr<nsIStandaloneNativeMenu> dockMenuInterface;
+  rv = dockSupport->GetDockMenu(getter_AddRefs(dockMenuInterface));
+  if (NS_FAILED(rv) || !dockMenuInterface) return menu;
+
+  RefPtr<nsStandaloneNativeMenu> dockMenu =
+      static_cast<nsStandaloneNativeMenu*>(dockMenuInterface.get());
 
   // Determine if the dock menu items should be displayed. This also gives
   // the menu the opportunity to update itself before display.
@@ -257,9 +261,10 @@ void ProcessPendingGetURLAppleEvents() {
   if (NS_FAILED(rv) || !shouldShowItems) return menu;
 
   // Obtain a copy of the native menu.
-  NSMenu* nativeDockMenu;
-  rv = dockMenu->GetNativeMenu(reinterpret_cast<void**>(&nativeDockMenu));
-  if (NS_FAILED(rv) || !nativeDockMenu) return menu;
+  NSMenu* nativeDockMenu = dockMenu->NativeNSMenu();
+  if (!nativeDockMenu) {
+    return menu;
+  }
 
   // Loop through the application-specific dock menu and insert its
   // contents into the dock menu that we are building for Cocoa.
diff --git a/widget/cocoa/nsStandaloneNativeMenu.mm b/widget/cocoa/nsStandaloneNativeMenu.mm
index 3c407a05e79d..18eb7bc82c34 100644
--- a/widget/cocoa/nsStandaloneNativeMenu.mm
+++ b/widget/cocoa/nsStandaloneNativeMenu.mm
@@ -75,21 +75,6 @@ nsStandaloneNativeMenu::MenuWillOpen(bool* aResult) {
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsStandaloneNativeMenu::GetNativeMenu(void** aVoidPointer) {
-  NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
-
-  if (mMenu) {
-    *aVoidPointer = mMenu->NativeNSMenu();
-    [[(NSObject*)(*aVoidPointer) retain] autorelease];
-    return NS_OK;
-  }
-  *aVoidPointer = nullptr;
-  return NS_ERROR_NOT_INITIALIZED;
-
-  NS_OBJC_END_TRY_ABORT_BLOCK;
-}
-
 NS_IMETHODIMP
 nsStandaloneNativeMenu::ActivateNativeMenuItemAt(const nsAString& indexString) {
   NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
diff --git a/widget/cocoa/nsSystemStatusBarCocoa.mm b/widget/cocoa/nsSystemStatusBarCocoa.mm
index 38878c0e89ff..5c5c36b2f809 100644
--- a/widget/cocoa/nsSystemStatusBarCocoa.mm
+++ b/widget/cocoa/nsSystemStatusBarCocoa.mm
@@ -40,12 +40,9 @@ nsSystemStatusBarCocoa::StatusItem::StatusItem(nsStandaloneNativeMenu* aMenu) :
 
   MOZ_COUNT_CTOR(nsSystemStatusBarCocoa::StatusItem);
 
-  NSMenu* nativeMenu = nil;
-  mMenu->GetNativeMenu(reinterpret_cast<void**>(&nativeMenu));
-
   mStatusItem =
       [[NSStatusBar.systemStatusBar statusItemWithLength:NSSquareStatusItemLength] retain];
-  mStatusItem.menu = nativeMenu;
+  mStatusItem.menu = mMenu->NativeNSMenu();
   mStatusItem.highlightMode = YES;
 
   // We want the status item to get its image from menu item that mMenu was
diff --git a/widget/nsIStandaloneNativeMenu.idl b/widget/nsIStandaloneNativeMenu.idl
index 7582f385cc75..b995f1f8b97b 100644
--- a/widget/nsIStandaloneNativeMenu.idl
+++ b/widget/nsIStandaloneNativeMenu.idl
@@ -29,13 +29,6 @@ interface nsIStandaloneNativeMenu : nsISupports
    */
   boolean menuWillOpen();
 
-  /**
-   * The native object representing the XUL menu that was passed to Init(). On
-   * Mac OS X, this will be a NSMenu pointer, which will be retained and
-   * autoreleased when the attribute is retrieved.
-   */
-  [noscript] readonly attribute voidPtr nativeMenu;
-
   /**
    * Activate the native menu item specified by |anIndexString|. This method
    * is intended to be used by the test suite.
@@ -54,7 +47,6 @@ interface nsIStandaloneNativeMenu : nsISupports
    */
   void forceUpdateNativeMenuAt(in AString anIndexString);
 
-
   /**
    * Print information about the menu structure to stdout. Only used for
    * debugging.