diff --git a/Lib/idlelib/macosxSupport.py b/Lib/idlelib/macosxSupport.py
index 10b9aa57038..8aea160c8da 100644
--- a/Lib/idlelib/macosxSupport.py
+++ b/Lib/idlelib/macosxSupport.py
@@ -25,6 +25,81 @@ def addOpenEventSupport(root, flist):
 def hideTkConsole(root):
     root.tk.call('console', 'hide')
 
+def overrideRootMenu(root, flist):
+    """
+    Replace the Tk root menu by something that's more appropriate for
+    IDLE.
+    """
+    # The menu that is attached to the Tk root (".") is also used by AquaTk for 
+    # all windows that don't specify a menu of their own. The default menubar
+    # contains a number of menus, none of which are appropriate for IDLE. The
+    # Most annoying of those is an 'About Tck/Tk...' menu in the application
+    # menu.
+    #
+    # This function replaces the default menubar by a mostly empty one, it
+    # should only contain the correct application menu and the window menu.
+    #
+    # Due to a (mis-)feature of TkAqua the user will also see an empty Help
+    # menu.
+    from Tkinter import Menu, Text, Text
+    from EditorWindow import prepstr, get_accelerator
+    import Bindings
+    import WindowList
+    from MultiCall import MultiCallCreator
+
+    menubar = Menu(root)
+    root.configure(menu=menubar)
+    menudict = {}
+
+    menudict['windows'] = menu = Menu(menubar, name='windows')
+    menubar.add_cascade(label='Window', menu=menu, underline=0)
+
+    def postwindowsmenu(menu=menu):
+        end = menu.index('end')
+        if end is None:
+            end = -1
+
+        if end > 0:
+            menu.delete(0, end)
+        WindowList.add_windows_to_menu(menu)
+    WindowList.register_callback(postwindowsmenu)
+
+    menudict['application'] = menu = Menu(menubar, name='apple')
+    menubar.add_cascade(label='IDLE', menu=menu)
+
+    def about_dialog(event=None):
+        import aboutDialog
+        aboutDialog.AboutDialog(root, 'About IDLE')
+
+    def config_dialog(event=None):
+        import configDialog
+        configDialog.ConfigDialog(root, 'Settings')
+
+    root.bind('<<about-idle>>', about_dialog)
+    root.bind('<<open-config-dialog>>', config_dialog)
+    if flist:
+        root.bind('<<close-all-windows>>', flist.close_all_callback)
+
+    for mname, entrylist in Bindings.menudefs:
+        menu = menudict.get(mname)
+        if not menu: 
+            continue
+        for entry in entrylist:
+            if not entry:
+                menu.add_separator()
+            else:
+                label, eventname = entry
+                underline, label = prepstr(label)
+                accelerator = get_accelerator(Bindings.default_keydefs, 
+                        eventname)
+                def command(text=root, eventname=eventname):
+                    text.event_generate(eventname)
+                menu.add_command(label=label, underline=underline,
+                        command=command, accelerator=accelerator)
+
+    
+
+
 
 def setupApp(root, flist):
     """
@@ -33,4 +108,5 @@ def setupApp(root, flist):
     if not runningAsOSXApp(): return
 
     hideTkConsole(root)
+    overrideRootMenu(root, flist)
     addOpenEventSupport(root, flist)