diff --git a/include/block.h b/include/block.h
index cfa4cb9ef..ef36f585f 100644
--- a/include/block.h
+++ b/include/block.h
@@ -8,8 +8,6 @@ struct block_device;
 struct block_device_ops {
 	int (*read)(struct block_device *, void *buf, int block, int num_blocks);
 	int (*write)(struct block_device *, const void *buf, int block, int num_blocks);
-	int (*read_start)(struct block_device *, void *buf, int block, int num_blocks);
-	int (*read_done)(struct block_device *);
 };
 
 struct chunk;