diff --git a/sys/modules/if_vlan/Makefile b/sys/modules/if_vlan/Makefile
index b1077219a03b..9842619b35da 100644
--- a/sys/modules/if_vlan/Makefile
+++ b/sys/modules/if_vlan/Makefile
@@ -6,9 +6,4 @@ KMOD=	if_vlan
 SRCS=	if_vlan.c
 SRCS+=	opt_inet.h opt_vlan.h
 
-.if !defined(KERNBUILDDIR)
-opt_inet.h:
-	echo "#define INET 1" > ${.TARGET}
-.endif
-
 .include <bsd.kmod.mk>