diff --git a/kernel/sched.c b/kernel/sched.c
index f370f10..1a80ac1 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5476,8 +5476,7 @@
 int nr_cpu_ids __read_mostly = NR_CPUS;
 EXPORT_SYMBOL(nr_cpu_ids);
 
-#undef SCHED_DOMAIN_DEBUG
-#ifdef SCHED_DOMAIN_DEBUG
+#ifdef CONFIG_SCHED_DEBUG
 static void sched_domain_debug(struct sched_domain *sd, int cpu)
 {
 	int level = 0;