diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index 75df47ad2e795753f9386b6d64d9256bcefa0d6c..f4f7c73fb8284a7f6c1189f2a63b23ba7040b889 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -746,8 +746,10 @@ static int iolatency_set_min_lat_nsec(struct blkcg_gq *blkg, u64 val)
 
 	if (!oldval && val)
 		return 1;
-	if (oldval && !val)
+	if (oldval && !val) {
+		blkcg_clear_delay(blkg);
 		return -1;
+	}
 	return 0;
 }