diff --git a/lib/libnetgraph/debug.c b/lib/libnetgraph/debug.c
index 90efc5550da..dfc75f5268e 100644
--- a/lib/libnetgraph/debug.c
+++ b/lib/libnetgraph/debug.c
@@ -76,8 +76,6 @@ __FBSDID("$FreeBSD$");
 #include <netgraph/ng_hub.h>
 #include <netgraph/ng_iface.h>
 #include <netgraph/ng_ip_input.h>
-#include <netinet/ip_fw.h>
-#include <netinet/ip_fw_private.h> /* the NGM cookie is here */
 #include <netgraph/ng_ipfw.h>
 #include <netgraph/ng_ksocket.h>
 #include <netgraph/ng_l2tp.h>
diff --git a/sys/netgraph/ng_ipfw.h b/sys/netgraph/ng_ipfw.h
index c463d6ae615..c2cab6a0396 100644
--- a/sys/netgraph/ng_ipfw.h
+++ b/sys/netgraph/ng_ipfw.h
@@ -29,4 +29,5 @@
 #ifndef _NG_IPFW_H
 #define _NG_IPFW_H
 #define NG_IPFW_NODE_TYPE    "ipfw"
+#define NGM_IPFW_COOKIE      1105988990
 #endif /* _NG_IPFW_H */
diff --git a/sys/netinet/ipfw/ip_fw_pfil.c b/sys/netinet/ipfw/ip_fw_pfil.c
index f59d34131d5..21e9f58048b 100644
--- a/sys/netinet/ipfw/ip_fw_pfil.c
+++ b/sys/netinet/ipfw/ip_fw_pfil.c
@@ -61,6 +61,7 @@ __FBSDID("$FreeBSD$");
 #include <netinet/ipfw/ip_fw_private.h>
 #include <netinet/ip_divert.h>
 #include <netinet/ip_dummynet.h>
+#include <netgraph/ng_ipfw.h>
 
 #include <machine/in_cksum.h>
 
diff --git a/sys/netinet/ipfw/ip_fw_private.h b/sys/netinet/ipfw/ip_fw_private.h
index 780d16ebfe9..aa1dc573048 100644
--- a/sys/netinet/ipfw/ip_fw_private.h
+++ b/sys/netinet/ipfw/ip_fw_private.h
@@ -272,7 +272,6 @@ extern ipfw_nat_cfg_t *ipfw_nat_get_cfg_ptr;
 extern ipfw_nat_cfg_t *ipfw_nat_get_log_ptr;
 
 /* netgraph prototypes */
-#define NGM_IPFW_COOKIE      1105988990
 
 typedef int ng_ipfw_input_t(struct mbuf **, int, struct ip_fw_args *, int);
 extern  ng_ipfw_input_t *ng_ipfw_input_p;