diff --git a/src/map/clif.hpp b/src/map/clif.hpp
index 3993cb7bba..1085d4209d 100644
--- a/src/map/clif.hpp
+++ b/src/map/clif.hpp
@@ -1065,7 +1065,6 @@ void clif_SelectCart(struct map_session_data *sd);
 /// Achievement System
 void clif_achievement_list_all(struct map_session_data *sd);
 void clif_achievement_update(struct map_session_data *sd, struct achievement *ach, int count);
-void clif_pAchievementCheckReward(int fd, struct map_session_data *sd);
 void clif_achievement_reward_ack(int fd, unsigned char result, int ach_id);
 
 #endif /* _CLIF_HPP_ */