diff --git a/include/wx/defs.h b/include/wx/defs.h
index ba94f1e066..2924970772 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -1616,10 +1616,8 @@ enum wxBackgroundStyle
 /*  Standard menu IDs */
 enum
 {
-#if wxABI_VERSION >= 20602
     /* no id matches this one when compared to it */
     wxID_NONE = -3,
-#endif
 
     /*  id for a separator line in the menu (invalid for normal item) */
     wxID_SEPARATOR = -2,