diff --git a/block/blk-ioprio.c b/block/blk-ioprio.c
index 4051fada01f1..ae52b418e984 100644
--- a/block/blk-ioprio.c
+++ b/block/blk-ioprio.c
@@ -84,16 +84,6 @@ ioprio_blkcg_from_css(struct cgroup_subsys_state *css)
 	return blkcg_to_ioprio_blkcg(css_to_blkcg(css));
 }
 
-static struct ioprio_blkcg *ioprio_blkcg_from_bio(struct bio *bio)
-{
-	struct blkg_policy_data *pd = blkg_to_pd(bio->bi_blkg, &ioprio_policy);
-
-	if (!pd)
-		return NULL;
-
-	return blkcg_to_ioprio_blkcg(pd->blkg->blkcg);
-}
-
 static int ioprio_show_prio_policy(struct seq_file *sf, void *v)
 {
 	struct ioprio_blkcg *blkcg = ioprio_blkcg_from_css(seq_css(sf));
@@ -186,7 +176,7 @@ static struct blkcg_policy ioprio_policy = {
 
 void blkcg_set_ioprio(struct bio *bio)
 {
-	struct ioprio_blkcg *blkcg = ioprio_blkcg_from_bio(bio);
+	struct ioprio_blkcg *blkcg = blkcg_to_ioprio_blkcg(bio->bi_blkg->blkcg);
 	u16 prio;
 
 	if (!blkcg || blkcg->prio_policy == POLICY_NO_CHANGE)