diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index c71354fe1363..081cb734a239 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -82,7 +82,6 @@ struct btrfs_device {
 
 	unsigned long dev_state;
 	blk_status_t last_flush_error;
-	int flush_bio_sent;
 
 #ifdef __BTRFS_NEED_DEVICE_DATA_ORDERED
 	seqcount_t data_seqcount;