diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 50cb9f9cdbfd..f581ceedf5a9 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -336,7 +336,7 @@ static void release_raid_kobj(struct kobject *kobj)
 	kfree(to_raid_kobj(kobj));
 }
 
-struct kobj_type btrfs_raid_ktype = {
+static struct kobj_type btrfs_raid_ktype = {
 	.sysfs_ops = &kobj_sysfs_ops,
 	.release = release_raid_kobj,
 	.default_groups = raid_groups,
diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h
index 403240e81dd2..a359f0b7c20b 100644
--- a/fs/btrfs/sysfs.h
+++ b/fs/btrfs/sysfs.h
@@ -80,7 +80,6 @@ attr_to_btrfs_feature_attr(struct attribute *attr)
 char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags);
 extern const char * const btrfs_feature_set_names[FEAT_MAX];
 extern struct kobj_type space_info_ktype;
-extern struct kobj_type btrfs_raid_ktype;
 int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices,
 		struct btrfs_device *one_device);
 int btrfs_sysfs_rm_device_link(struct btrfs_fs_devices *fs_devices,