diff --git a/block/bio.c b/block/bio.c
index b15f5466ce08..151cace2dbe1 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -807,12 +807,6 @@ int bio_init_clone(struct block_device *bdev, struct bio *bio,
 }
 EXPORT_SYMBOL(bio_init_clone);
 
-const char *bio_devname(struct bio *bio, char *buf)
-{
-	return bdevname(bio->bi_bdev, buf);
-}
-EXPORT_SYMBOL(bio_devname);
-
 /**
  * bio_full - check if the bio is full
  * @bio:	bio to check
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 7523aba4ddf7..4c21f6e69e18 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -491,8 +491,6 @@ static inline void bio_release_pages(struct bio *bio, bool mark_dirty)
 		__bio_release_pages(bio, mark_dirty);
 }
 
-extern const char *bio_devname(struct bio *bio, char *buffer);
-
 #define bio_dev(bio) \
 	disk_devt((bio)->bi_bdev->bd_disk)