--- ipfw3-2012.orig/ipfw/dummynet.c
+++ ipfw3-2012/ipfw/dummynet.c
@@ -17,8 +17,6 @@
 
 #include <sys/types.h>
 #include <sys/socket.h>
-/* XXX there are several sysctl leftover here */
-#include <sys/sysctl.h>
 
 #include "ipfw2.h"
 
--- ipfw3-2012.orig/ipfw/ipfw2.c
+++ ipfw3-2012/ipfw/ipfw2.c
@@ -24,7 +24,6 @@
 #include <sys/param.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
-#include <sys/sysctl.h>
 
 #include "ipfw2.h"