diff --git a/sys/conf/files b/sys/conf/files
index 82731e5a7115..720aa0eaf82f 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -459,39 +459,39 @@ contrib/dev/acpica/components/utilities/utxferror.c	optional acpi
 contrib/dev/acpica/components/utilities/utxfinit.c	optional acpi
 #contrib/dev/acpica/components/utilities/utxfmutex.c	optional acpi
 contrib/ipfilter/netinet/fil.c	optional ipfilter inet \
-	compile-with "${NORMAL_C} ${NO_WSELF_ASSIGN} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} ${NO_WSELF_ASSIGN} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_auth.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_fil_freebsd.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_frag.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_log.c optional ipfilter inet \
 	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_nat.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_proxy.c optional ipfilter inet \
-	compile-with "${NORMAL_C} ${NO_WSELF_ASSIGN} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} ${NO_WSELF_ASSIGN} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_state.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_lookup.c optional ipfilter inet \
-	compile-with "${NORMAL_C} ${NO_WSELF_ASSIGN} -Wno-error -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} ${NO_WSELF_ASSIGN} -Wno-unused -Wno-error -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_pool.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_htable.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_sync.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/mlfk_ipl.c optional ipfilter inet \
 	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_nat6.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_rules.c optional ipfilter inet \
 	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_scan.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/ip_dstlist.c optional ipfilter inet \
-	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
+	compile-with "${NORMAL_C} -Wno-unused -I$S/contrib/ipfilter"
 contrib/ipfilter/netinet/radix_ipf.c optional ipfilter inet \
 	compile-with "${NORMAL_C} -I$S/contrib/ipfilter"
 contrib/libfdt/fdt.c		optional fdt
diff --git a/sys/modules/ipfilter/Makefile b/sys/modules/ipfilter/Makefile
index 6e6accf46ed7..c14469507e15 100644
--- a/sys/modules/ipfilter/Makefile
+++ b/sys/modules/ipfilter/Makefile
@@ -28,7 +28,18 @@ CFLAGS+= -DIPFILTER=1 -DIPFILTER_LKM -DIPFILTER_LOG -DIPFILTER_LOOKUP
 
 .include <bsd.kmod.mk>
 
-CWARNFLAGS.fil.c=		${NO_WSELF_ASSIGN}
-CWARNFLAGS.ip_proxy.c=		${NO_WSELF_ASSIGN}
-CWARNFLAGS.ip_lookup.c=		${NO_WSELF_ASSIGN}
+CWARNFLAGS.fil.c=		${NO_WSELF_ASSIGN} -Wno-unused
+CWARNFLAGS.ip_auth.c=		-Wno-unused
+CWARNFLAGS.ip_fil_freebsd.c=	-Wno-unused
+CWARNFLAGS.ip_frag.c=		-Wno-unused
+CWARNFLAGS.ip_htable.c=		-Wno-unused
+CWARNFLAGS.ip_dstlist.c=	-Wno-unused
+CWARNFLAGS.ip_lookup.c=		${NO_WSELF_ASSIGN} -Wno-unused
+CWARNFLAGS.ip_nat.c=		-Wno-unused
+CWARNFLAGS.ip_nat6.c=		-Wno-unused
+CWARNFLAGS.ip_pool.c=		-Wno-unused
+CWARNFLAGS.ip_proxy.c=		${NO_WSELF_ASSIGN} -Wno-unused
+CWARNFLAGS.ip_scan.c=		-Wno-unused
+CWARNFLAGS.ip_state.c=		-Wno-unused
+CWARNFLAGS.ip_sync.c=		-Wno-unused
 CWARNFLAGS+=			${CWARNFLAGS.${.IMPSRC:T}}