diff --git a/block/blk-settings.c b/block/blk-settings.c
index 18fab51..1344a0e 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -332,7 +332,7 @@
  * device can support otherwise there won't be room for the drain
  * buffer.
  */
-extern int blk_queue_dma_drain(struct request_queue *q,
+int blk_queue_dma_drain(struct request_queue *q,
 			       dma_drain_needed_fn *dma_drain_needed,
 			       void *buf, unsigned int size)
 {