diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 61c2e396f2fa..fb8fb8852c3b 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1354,8 +1354,6 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
 			else
 				sg = sg_next(sg);
 
-			sg_dma_len(sg) = 0;
-			sg_dma_address(sg) = 0;
 			sg_set_page(sg, bvec->bv_page);
 			sg->length = nbytes;
 			sg->offset = bvec->bv_offset;