--- zzzz-none-000/linux-2.6.32.61/include/linux/if_macvlan.h	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/include/linux/if_macvlan.h	2014-08-12 13:03:17.000000000 +0000
@@ -1,6 +1,4 @@
 #ifndef _LINUX_IF_MACVLAN_H
 #define _LINUX_IF_MACVLAN_H
 
-extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *);
-
 #endif /* _LINUX_IF_MACVLAN_H */