diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 7c40690ad56f4e4ad4d2986ce71e96923f6540ea..b41f3f30ef57ebbf52dc95ca2fe9a506b77b74a2 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -11818,6 +11818,7 @@ static struct cftype cpu_legacy_files[] = {
 #ifdef CONFIG_QOS_SCHED
 	{
 		.name = "qos_level",
+		.flags = CFTYPE_NOT_ON_ROOT,
 		.read_s64 = cpu_qos_read,
 		.write_s64 = cpu_qos_write,
 	},