diff --git a/include/wx/defs.h b/include/wx/defs.h
index 676b0ace7b..2452b337cc 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -604,15 +604,15 @@ enum
 
 typedef float wxFloat32 ;
 #if defined( __WXMAC__ )  && defined (__MWERKS__)
-	typedef short double	wxFloat64;
+    typedef short double	wxFloat64;
 #else
-	typedef double			wxFloat64;
+    typedef double			wxFloat64;
 #endif
 
 #if defined( __WXMAC__ )  && !defined( __POWERPC__ )
-	typedef long double wxDouble;
+    typedef long double wxDouble;
 #else
-	typedef double wxDouble ;
+    typedef double wxDouble ;
 #endif
 
 // ----------------------------------------------------------------------------
@@ -1153,6 +1153,14 @@ enum wxStretch
 // standard IDs
 // ----------------------------------------------------------------------------
 
+// id for a separator line in the menu (invalid for normal item)
+#define wxID_SEPARATOR (-1)
+
+// this one is for compatibility only, don't use in new code
+#ifndef ID_SEPARATOR
+    #define ID_SEPARATOR    wxID_SEPARATOR
+#endif
+
 // Standard menu IDs
 #define wxID_LOWEST             4999
 
diff --git a/include/wx/menuitem.h b/include/wx/menuitem.h
index 6fda4bd30d..b804976522 100644
--- a/include/wx/menuitem.h
+++ b/include/wx/menuitem.h
@@ -18,17 +18,6 @@
 
 #include "wx/object.h"  // base class
 
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-// id for a separator line in the menu (invalid for normal item)
-#define wxID_SEPARATOR (-1)
-
-#ifndef ID_SEPARATOR    // for compatibility only, don't use in new code
-    #define ID_SEPARATOR    wxID_SEPARATOR
-#endif
-
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------