diff --git a/netbsd/sys/net/.prepare b/netbsd/sys/net/.prepare
index f6df2e8331..ddde8da82e 100644
--- a/netbsd/sys/net/.prepare
+++ b/netbsd/sys/net/.prepare
@@ -1 +1,7 @@
 exclude if_dummy.c
+exclude pf.c
+exclude pf_ioctl.c
+exclude pf_norm.c
+exclude pf_osfp.c
+exclude pf_table.c
+exclude pfvar.h