diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index a1287f4..e436d27 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -10,7 +10,7 @@ class Creature : public MoveableEntity
  public:
 
     HumanAbility ability;
-
+    std::function<bool ()> on_move_collision;
 
     bool HasBuffEffect(int buff_effect_id);
     Buff* GetBuffByEffectId(int effect_id);
diff --git a/server/gameserver/hero.h b/server/gameserver/hero.h
index 0ff2d9c..4ef7881 100644
--- a/server/gameserver/hero.h
+++ b/server/gameserver/hero.h
@@ -21,7 +21,6 @@ public:
     bool shot_hold = false;
     int team_id = 0;
     a8::Vec2 attack_dir;
-    std::function<bool ()> on_move_collision;
 
     Hero();
     virtual ~Hero() override;
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index db03ca8..7b3a08b 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -54,7 +54,6 @@ class Human : public Creature
 
     a8::Vec2 attack_dir;
     std::function<void ()> on_loading_bullet;
-    std::function<bool ()> on_move_collision;
 
     std::string name;
     std::string avatar_url;