diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 5d28db0a6df3..65c18017d162 100644
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -394,16 +394,16 @@ _SYS_FS_ZFS_H uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
 /*
  * VDEV property functions shared between libzfs and kernel.
  */
-vdev_prop_t vdev_name_to_prop(const char *);
-boolean_t vdev_prop_user(const char *name);
-const char *vdev_prop_to_name(vdev_prop_t);
-const char *vdev_prop_default_string(vdev_prop_t);
-uint64_t vdev_prop_default_numeric(vdev_prop_t);
-boolean_t vdev_prop_readonly(vdev_prop_t prop);
-int vdev_prop_index_to_string(vdev_prop_t, uint64_t, const char **);
-int vdev_prop_string_to_index(vdev_prop_t, const char *, uint64_t *);
-boolean_t zpool_prop_vdev(const char *name);
-uint64_t vdev_prop_random_value(vdev_prop_t prop, uint64_t seed);
+_SYS_FS_ZFS_H vdev_prop_t vdev_name_to_prop(const char *);
+_SYS_FS_ZFS_H boolean_t vdev_prop_user(const char *name);
+_SYS_FS_ZFS_H const char *vdev_prop_to_name(vdev_prop_t);
+_SYS_FS_ZFS_H const char *vdev_prop_default_string(vdev_prop_t);
+_SYS_FS_ZFS_H uint64_t vdev_prop_default_numeric(vdev_prop_t);
+_SYS_FS_ZFS_H boolean_t vdev_prop_readonly(vdev_prop_t prop);
+_SYS_FS_ZFS_H int vdev_prop_index_to_string(vdev_prop_t, uint64_t, const char **);
+_SYS_FS_ZFS_H int vdev_prop_string_to_index(vdev_prop_t, const char *, uint64_t *);
+_SYS_FS_ZFS_H boolean_t zpool_prop_vdev(const char *name);
+_SYS_FS_ZFS_H uint64_t vdev_prop_random_value(vdev_prop_t prop, uint64_t seed);
 
 /*
  * Definitions for the Delegation.