diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 6ad47783e974c2a405e785835ddeb7c6db501695..0275dcb1869231bae325f1d8deb82e5cf21ac8f9 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1199,8 +1199,6 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio,
 	struct raid1_info *mirror;
 	struct bio *read_bio;
 	struct bitmap *bitmap = mddev->bitmap;
-	const int op = bio_op(bio);
-	const unsigned long do_sync = (bio->bi_opf & REQ_SYNC);
 	int max_sectors;
 	int rdisk;
 	bool print_msg = !!r1_bio;
@@ -1293,7 +1291,6 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio,
 		mirror->rdev->data_offset;
 	bio_set_dev(read_bio, mirror->rdev->bdev);
 	read_bio->bi_end_io = raid1_end_read_request;
-	bio_set_op_attrs(read_bio, op, do_sync);
 	if (test_bit(FailFast, &mirror->rdev->flags) &&
 	    test_bit(R1BIO_FailFast, &r1_bio->state))
 	        read_bio->bi_opf |= MD_FAILFAST;
@@ -1519,7 +1516,6 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
 				   conf->mirrors[i].rdev->data_offset);
 		bio_set_dev(mbio, conf->mirrors[i].rdev->bdev);
 		mbio->bi_end_io	= raid1_end_write_request;
-		mbio->bi_opf = bio_op(bio) | (bio->bi_opf & (REQ_SYNC | REQ_FUA));
 		if (test_bit(FailFast, &conf->mirrors[i].rdev->flags) &&
 		    !test_bit(WriteMostly, &conf->mirrors[i].rdev->flags) &&
 		    conf->raid_disks - mddev->degraded > 1)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index f8fea9593955e58522a1e70155afdf5b27bf74a6..07d58e88eb7b68c0f2bb6a877b3b1735db78e036 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1166,8 +1166,6 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio,
 {
 	struct r10conf *conf = mddev->private;
 	struct bio *read_bio;
-	const int op = bio_op(bio);
-	const unsigned long do_sync = (bio->bi_opf & REQ_SYNC);
 	int max_sectors;
 	sector_t sectors;
 	struct md_rdev *rdev;
@@ -1264,7 +1262,6 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio,
 		choose_data_offset(r10_bio, rdev);
 	bio_set_dev(read_bio, rdev->bdev);
 	read_bio->bi_end_io = raid10_end_read_request;
-	bio_set_op_attrs(read_bio, op, do_sync);
 	if (test_bit(FailFast, &rdev->flags) &&
 	    test_bit(R10BIO_FailFast, &r10_bio->state))
 	        read_bio->bi_opf |= MD_FAILFAST;
@@ -1282,9 +1279,6 @@ static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio,
 				  struct bio *bio, bool replacement,
 				  int n_copy)
 {
-	const int op = bio_op(bio);
-	const unsigned long do_sync = (bio->bi_opf & REQ_SYNC);
-	const unsigned long do_fua = (bio->bi_opf & REQ_FUA);
 	unsigned long flags;
 	struct blk_plug_cb *cb;
 	struct raid10_plug_cb *plug = NULL;
@@ -1313,7 +1307,6 @@ static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio,
 				   choose_data_offset(r10_bio, rdev));
 	bio_set_dev(mbio, rdev->bdev);
 	mbio->bi_end_io	= raid10_end_write_request;
-	bio_set_op_attrs(mbio, op, do_sync | do_fua);
 	if (!replacement && test_bit(FailFast,
 				     &conf->mirrors[devnum].rdev->flags)
 			 && enough(conf, devnum))