diff --git a/sys/netpfil/pf/pf.c b/sys/netpfil/pf/pf.c
--- a/sys/netpfil/pf/pf.c
+++ b/sys/netpfil/pf/pf.c
@@ -6965,9 +6965,6 @@
 	memset(&pd, 0, sizeof(pd));
 	pd.pf_mtag = pf_find_mtag(m);
 
-	if (pd.pf_mtag && pd.pf_mtag->flags & PF_TAG_GENERATED)
-		return (PF_PASS);
-
 	kif = (struct pfi_kkif *)ifp->if_pf_kif;
 	if (kif == NULL) {
 		DPFPRINTF(PF_DEBUG_URGENT,
diff --git a/sys/netpfil/pf/pf_mtag.h b/sys/netpfil/pf/pf_mtag.h
--- a/sys/netpfil/pf/pf_mtag.h
+++ b/sys/netpfil/pf/pf_mtag.h
@@ -36,7 +36,7 @@
 
 #ifdef _KERNEL
 
-#define	PF_TAG_GENERATED		0x01
+/*					0x01 unused. */
 #define	PF_TAG_DUMMYNET			0x02
 #define	PF_TAG_TRANSLATE_LOCALHOST	0x04
 #define	PF_PACKET_LOOPED		0x08