--- src/sys/net/pfil.h	2008/09/14 11:13:00	1.8
+++ src/sys/net/pfil.h	2008/09/15 05:11:02	1.9
@@ -60,7 +60,6 @@ struct packet_filter_hook {
 
 #define PFIL_IN		0x00000001
 #define PFIL_OUT	0x00000002
-#define PFIL_WAITOK	0x00000004
 #define PFIL_ALL	(PFIL_IN|PFIL_OUT)
 
 typedef	TAILQ_HEAD(pfil_list, packet_filter_hook) pfil_list_t;