diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7bb2971..a385a7c 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -318,6 +318,7 @@ DEFINE_STATIC_KEY_FALSE(memcg_kmem_enabled_key);
 EXPORT_SYMBOL(memcg_kmem_enabled_key);
 
 struct workqueue_struct *memcg_kmem_cache_wq;
+#endif
 
 static int memcg_shrinker_map_size;
 static DEFINE_MUTEX(memcg_shrinker_map_mutex);
@@ -441,14 +442,6 @@ void memcg_set_shrinker_bit(struct mem_cgroup *memcg, int nid, int shrinker_id)
 	}
 }
 
-#else /* CONFIG_MEMCG_KMEM */
-static int memcg_alloc_shrinker_maps(struct mem_cgroup *memcg)
-{
-	return 0;
-}
-static void memcg_free_shrinker_maps(struct mem_cgroup *memcg) { }
-#endif /* CONFIG_MEMCG_KMEM */
-
 /**
  * mem_cgroup_css_from_page - css of the memcg associated with a page
  * @page: page of interest