diff -r 31fd106bb68a Lib/idlelib/EditorWindow.py
--- a/Lib/idlelib/EditorWindow.py	Thu Nov 20 16:45:36 2014 -0800
+++ b/Lib/idlelib/EditorWindow.py	Wed Jan 07 18:15:38 2015 +1100
@@ -439,13 +439,10 @@
         ("format", "F_ormat"),
         ("run", "_Run"),
         ("options", "_Options"),
-        ("windows", "_Windows"),
+        ("windows", "_Window"),
         ("help", "_Help"),
     ]
 
-    if sys.platform == "darwin":
-        menu_specs[-2] = ("windows", "_Window")
-
 
     def createmenubar(self):
         mbar = self.menubar
diff -r 31fd106bb68a Lib/idlelib/PyShell.py
--- a/Lib/idlelib/PyShell.py	Thu Nov 20 16:45:36 2014 -0800
+++ b/Lib/idlelib/PyShell.py	Wed Jan 07 18:15:38 2015 +1100
@@ -848,13 +848,10 @@
         ("edit", "_Edit"),
         ("debug", "_Debug"),
         ("options", "_Options"),
-        ("windows", "_Windows"),
+        ("windows", "_Window"),
         ("help", "_Help"),
     ]
 
-    if sys.platform == "darwin":
-        menu_specs[-2] = ("windows", "_Window")
-
 
     # New classes
     from idlelib.IdleHistory import History