--- src/sys/net/dummynet/ip_dummynet.h	2006/06/25 11:02:39	1.5
+++ src/sys/net/dummynet/ip_dummynet.h	2007/10/20 07:36:20	1.6
@@ -72,12 +72,6 @@ typedef u_int64_t dn_key ;      /* sorti
  */
 
 /*
- * The OFFSET_OF macro is used to return the offset of a field within
- * a structure. It is used by the heap management routines.
- */
-#define OFFSET_OF(type, field) ((int)&( ((type *)0)->field) )
-
-/*
  * The maximum hash table size for queues.  This value must be a power
  * of 2.
  */