diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 4562d09ab96483ea3a9226f3db87196abc0c86a9..18146c980b68b33d5aafdd8403531f5548dd545a 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -88,8 +88,6 @@ extern void mem_cgroup_end_migration(struct mem_cgroup *mem,
 /*
  * For memory reclaim.
  */
-extern long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem);
-
 extern int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem);
 extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
 							int priority);
@@ -210,11 +208,6 @@ static inline void mem_cgroup_end_migration(struct mem_cgroup *mem,
 {
 }
 
-static inline int mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem)
-{
-	return 0;
-}
-
 static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem)
 {
 	return 0;