diff --git a/lib/libalias/Makefile.inc b/lib/libalias/Makefile.inc
new file mode 100644
index 000000000000..265f86d1ed55
--- /dev/null
+++ b/lib/libalias/Makefile.inc
@@ -0,0 +1,3 @@
+# $FreeBSD$
+
+.include "../Makefile.inc"
diff --git a/lib/libalias/libalias/Makefile b/lib/libalias/libalias/Makefile
index a3f98891842c..00b4ed8fe20a 100644
--- a/lib/libalias/libalias/Makefile
+++ b/lib/libalias/libalias/Makefile
@@ -8,7 +8,6 @@ SHLIB_MAJOR= 7
 MAN=	libalias.3
 SRCS=	alias.c alias_db.c alias_proxy.c alias_util.c alias_mod.c
 INCS=	alias.h
-WARNS?=	6
 NO_WERROR=
 
 .include <bsd.lib.mk>
diff --git a/lib/libarchive/test/Makefile b/lib/libarchive/test/Makefile
index ab65da3b2ab4..c721f57a173e 100644
--- a/lib/libarchive/test/Makefile
+++ b/lib/libarchive/test/Makefile
@@ -137,7 +137,6 @@ CFLAGS+= -I${LA_SRCDIR} -I.
 # Uncomment to link against dmalloc
 #LDADD+= -L/usr/local/lib -ldmalloc
 #CFLAGS+= -I/usr/local/include -DUSE_DMALLOC
-#WARNS=6
 
 # Build libarchive_test and run it.
 check test: libarchive_test
diff --git a/lib/libpam/Makefile.inc b/lib/libpam/Makefile.inc
index 1fe2f12efd6b..1c1e513740e5 100644
--- a/lib/libpam/Makefile.inc
+++ b/lib/libpam/Makefile.inc
@@ -30,3 +30,5 @@ DEBUG_FLAGS+=	-DDEBUG
 
 SHLIB_MAJOR=	5
 PAM_MOD_DIR=	${LIBDIR}
+
+.include "../Makefile.inc"
diff --git a/lib/libpam/modules/Makefile.inc b/lib/libpam/modules/Makefile.inc
index c352f42c3f3e..feb5da01e9ef 100644
--- a/lib/libpam/modules/Makefile.inc
+++ b/lib/libpam/modules/Makefile.inc
@@ -6,7 +6,6 @@ NO_INSTALLLIB=
 NO_PROFILE=
 
 CFLAGS+= -I${PAMDIR}/include -I${.CURDIR}/../../libpam
-WARNS?=	6
 
 # This is nasty.
 # For the static case, libpam.a depends on the modules.
diff --git a/sbin/hastctl/Makefile b/sbin/hastctl/Makefile
index 43c8c201b171..e0d6b5b72232 100644
--- a/sbin/hastctl/Makefile
+++ b/sbin/hastctl/Makefile
@@ -15,7 +15,6 @@ SRCS+=	proto.c proto_common.c proto_tcp4.c proto_uds.c
 SRCS+=	token.l
 SRCS+=	subr.c
 SRCS+=	y.tab.h
-WARNS?=	6
 MAN=	hastctl.8
 
 CFLAGS+=-I${.CURDIR}/../hastd
diff --git a/sbin/hastd/Makefile b/sbin/hastd/Makefile
index 43118075e94b..8153c3a0f4b6 100644
--- a/sbin/hastd/Makefile
+++ b/sbin/hastd/Makefile
@@ -16,7 +16,6 @@ SRCS+=	rangelock.c
 SRCS+=	subr.c
 SRCS+=	token.l
 SRCS+=	y.tab.h
-WARNS?=	6
 MAN=	hastd.8 hast.conf.5
 
 CFLAGS+=-I${.CURDIR}
diff --git a/usr.sbin/bluetooth/bthidd/Makefile b/usr.sbin/bluetooth/bthidd/Makefile
index 128bd20eee79..dd0754d582d2 100644
--- a/usr.sbin/bluetooth/bthidd/Makefile
+++ b/usr.sbin/bluetooth/bthidd/Makefile
@@ -8,7 +8,6 @@ SRCS=		bthidd.c client.c hid.c kbd.c lexer.l parser.y server.c \
 		session.c
 
 CFLAGS+=	-I${.CURDIR}
-WARNS?=		6
 DEBUG_FLAGS=	-g
 
 DPADD=          ${LIBBLUETOOTH} ${LIBUSBHID}
diff --git a/usr.sbin/bsnmpd/modules/Makefile.inc b/usr.sbin/bsnmpd/modules/Makefile.inc
index adf6d726d72c..b5dad56e277a 100644
--- a/usr.sbin/bsnmpd/modules/Makefile.inc
+++ b/usr.sbin/bsnmpd/modules/Makefile.inc
@@ -1,8 +1,9 @@
 # $FreeBSD$
 
 SHLIB_MAJOR=	6
-WARNS?=		6
 
 MANFILTER=	sed -e 's%@MODPATH@%${LIBDIR}/%g'		\
 		    -e 's%@DEFPATH@%${DEFSDIR}/%g'		\
 		    -e 's%@MIBSPATH@%${BMIBSDIR}/%g'
+
+.include "../Makefile.inc"