diff --git a/sbin/mount/mntopts.h b/sbin/mount/mntopts.h
index 13a3b532664f..83704462712d 100644
--- a/sbin/mount/mntopts.h
+++ b/sbin/mount/mntopts.h
@@ -40,7 +40,6 @@ struct mntopt {
 /* User-visible MNT_ flags. */
 #define MOPT_ASYNC		{ "async",	0, MNT_ASYNC, 0 }
 #define MOPT_NOATIME		{ "atime",	1, MNT_NOATIME, 0 }
-#define MOPT_NODEV		{ "dev",	1, MNT_NODEV, 0 }
 #define MOPT_NOEXEC		{ "exec",	1, MNT_NOEXEC, 0 }
 #define MOPT_NOSUID		{ "suid",	1, MNT_NOSUID, 0 }
 #define MOPT_NOSYMFOLLOW	{ "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
@@ -79,7 +78,6 @@ struct mntopt {
 	MOPT_GROUPQUOTA,						\
 	MOPT_FSTAB_COMPAT,						\
 	MOPT_NOATIME,							\
-	MOPT_NODEV,							\
 	MOPT_NOEXEC,							\
 	MOPT_SUIDDIR,		/* must be before MOPT_NOSUID */	\
 	MOPT_NOSUID,							\
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
index bdb51081afc2..885423358f6b 100644
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -395,7 +395,6 @@ linprocfs_domtab(PFS_FILL_ARGS)
 		ADD_OPTION(MNT_SYNCHRONOUS,	"sync");
 		ADD_OPTION(MNT_NOEXEC,		"noexec");
 		ADD_OPTION(MNT_NOSUID,		"nosuid");
-		ADD_OPTION(MNT_NODEV,		"nodev");
 		ADD_OPTION(MNT_UNION,		"union");
 		ADD_OPTION(MNT_ASYNC,		"async");
 		ADD_OPTION(MNT_SUIDDIR,		"suiddir");
diff --git a/sys/sys/mount.h b/sys/sys/mount.h
index 300285de01d7..8e410b39d315 100644
--- a/sys/sys/mount.h
+++ b/sys/sys/mount.h
@@ -182,7 +182,6 @@ struct vnode *__mnt_vnode_next(struct vnode **nvp, struct mount *mp);
 #define	MNT_SYNCHRONOUS	0x00000002	/* filesystem written synchronously */
 #define	MNT_NOEXEC	0x00000004	/* can't exec from filesystem */
 #define	MNT_NOSUID	0x00000008	/* don't honor setuid bits on fs */
-#define	MNT_NODEV	0		/* Deprecated option */
 #define	MNT_UNION	0x00000020	/* union with underlying filesystem */
 #define	MNT_ASYNC	0x00000040	/* filesystem written asynchronously */
 #define	MNT_SUIDDIR	0x00100000	/* special handling of SUID on dirs */