diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 05eedab5ff156..2101a5bd4eba8 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2305,13 +2305,6 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_device *tgtdev)
 
 	mutex_unlock(&fs_devices->device_list_mutex);
 
-	/*
-	 * The update_dev_time() with in btrfs_scratch_superblocks()
-	 * may lead to a call to btrfs_show_devname() which will try
-	 * to hold device_list_mutex. And here this device
-	 * is already out of device list, so we don't have to hold
-	 * the device_list_mutex lock.
-	 */
 	btrfs_scratch_superblocks(tgtdev->fs_info, tgtdev->bdev,
 				  tgtdev->name->str);