diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 110b1c2d0a86..1c7b710fc9c1 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -801,7 +801,6 @@ raid5_get_dev_page(struct stripe_head *sh, int disk_idx)
 }
 #endif
 
-void md_raid5_kick_device(struct r5conf *conf);
 int raid5_set_cache_size(struct mddev *mddev, int size);
 sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous);
 void raid5_release_stripe(struct stripe_head *sh);