diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index fc18a2b7d25a..ce19e8484c89 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3453,19 +3453,6 @@ unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
 	return nr_reclaimed;
 }
 
-/*
- * Test whether @memcg has children, dead or alive.
- */
-static inline bool memcg_has_children(struct mem_cgroup *memcg)
-{
-	bool ret;
-
-	rcu_read_lock();
-	ret = css_next_child(NULL, &memcg->css);
-	rcu_read_unlock();
-	return ret;
-}
-
 /*
  * Reclaims as many pages from the given memcg as possible.
  *