diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 80131025f2da5c..701c1ab79d243a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4930,11 +4930,6 @@ static void mem_cgroup_id_put_many(struct mem_cgroup *memcg, unsigned int n)
 	}
 }
 
-static inline void mem_cgroup_id_get(struct mem_cgroup *memcg)
-{
-	mem_cgroup_id_get_many(memcg, 1);
-}
-
 static inline void mem_cgroup_id_put(struct mem_cgroup *memcg)
 {
 	mem_cgroup_id_put_many(memcg, 1);