diff --git a/usr.sbin/makefs/Makefile b/usr.sbin/makefs/Makefile
index cbe4f497d7d..3fea648f938 100644
--- a/usr.sbin/makefs/Makefile
+++ b/usr.sbin/makefs/Makefile
@@ -16,7 +16,7 @@ SRCS=	cd9660.c \
 	walk.c
 MAN=	makefs.8
 
-WARNS?=	2
+NO_WCAST_ALIGN=
 CSTD=	c11
 
 .include "${SRCDIR}/cd9660/Makefile.inc"
diff --git a/usr.sbin/makefs/ffs.c b/usr.sbin/makefs/ffs.c
index 9cfbcbc30d7..1e68b0931f1 100644
--- a/usr.sbin/makefs/ffs.c
+++ b/usr.sbin/makefs/ffs.c
@@ -578,7 +578,7 @@ ffs_create_image(const char *image, fsinfo_t *fsopts)
 		    (long long)fs->fs_cstotal.cs_ndir);
 	}
 
-	if (fs->fs_cstotal.cs_nifree + UFS_ROOTINO < fsopts->inodes) {
+	if (fs->fs_cstotal.cs_nifree + (off_t)UFS_ROOTINO < fsopts->inodes) {
 		warnx(
 		"Image file `%s' has %lld free inodes; %lld are required.",
 		    image,
diff --git a/usr.sbin/makefs/msdos/msdosfs_denode.c b/usr.sbin/makefs/msdos/msdosfs_denode.c
index 3fbd867275d..ff706ad9956 100644
--- a/usr.sbin/makefs/msdos/msdosfs_denode.c
+++ b/usr.sbin/makefs/msdos/msdosfs_denode.c
@@ -210,7 +210,6 @@ int
 detrunc(struct denode *dep, u_long length, int flags, struct ucred *cred)
 {
 	int error;
-	int allerror;
 	u_long eofentry;
 	u_long chaintofree;
 	daddr_t bn;
@@ -253,7 +252,7 @@ detrunc(struct denode *dep, u_long length, int flags, struct ucred *cred)
 	if (length == 0) {
 		chaintofree = dep->de_StartCluster;
 		dep->de_StartCluster = 0;
-		eofentry = ~0;
+		eofentry = ~0ul;
 	} else {
 		error = pcbmap(dep, de_clcount(pmp, length) - 1, 0,
 		    &eofentry, 0);
@@ -295,14 +294,13 @@ detrunc(struct denode *dep, u_long length, int flags, struct ucred *cred)
 	dep->de_FileSize = length;
 	if (!isadir)
 		dep->de_flag |= DE_UPDATE|DE_MODIFIED;
-	MSDOSFS_DPRINTF(("detrunc(): allerror %d, eofentry %lu\n",
-	    allerror, eofentry));
+	MSDOSFS_DPRINTF(("detrunc(): eofentry %lu\n", eofentry));
 
 	/*
 	 * If we need to break the cluster chain for the file then do it
 	 * now.
 	 */
-	if (eofentry != ~0) {
+	if (eofentry != ~0ul) {
 		error = fatentry(FAT_GET_AND_SET, pmp, eofentry,
 				 &chaintofree, CLUST_EOFE);
 		if (error) {
@@ -321,7 +319,7 @@ detrunc(struct denode *dep, u_long length, int flags, struct ucred *cred)
 	if (chaintofree != 0 && !MSDOSFSEOF(pmp, chaintofree))
 		freeclusterchain(pmp, chaintofree);
 
-	return (allerror);
+	return (0);
 }
 
 /*
diff --git a/usr.sbin/makefs/msdos/msdosfs_vnops.c b/usr.sbin/makefs/msdos/msdosfs_vnops.c
index ed33856716f..5bc9b495c58 100644
--- a/usr.sbin/makefs/msdos/msdosfs_vnops.c
+++ b/usr.sbin/makefs/msdos/msdosfs_vnops.c
@@ -537,7 +537,8 @@ static const struct {
 };
 
 struct denode *
-msdosfs_mkdire(const char *path, struct denode *pdep, fsnode *node) {
+msdosfs_mkdire(const char *path __unused, struct denode *pdep, fsnode *node)
+{
 	struct denode ndirent;
 	struct denode *dep;
 	struct componentname cn;