diff --git a/server/gameserver/moveableentity.cc b/server/gameserver/moveableentity.cc
index 2a59b86..a001582 100644
--- a/server/gameserver/moveableentity.cc
+++ b/server/gameserver/moveableentity.cc
@@ -3,16 +3,6 @@
 #include "room.h"
 #include "human.h"
 
-void MoveableEntity::TraverseLayer0EntityList(std::function<void (Entity*, bool&)> func)
-{
-    room->grid_service->TraverseLayer0EntityList(grid_list_, func);
-}
-
-void MoveableEntity::TraverseLayer1EntityList(std::function<void (Entity*, bool&)> func)
-{
-    room->grid_service->TraverseLayer1EntityList(room->GetRoomIdx(), grid_list_, func);
-}
-
 void MoveableEntity::TraverseAllLayerEntityList(std::function<void (Entity*, bool&)> func)
 {
     room->grid_service->TraverseAllLayerEntityList(room->GetRoomIdx(), grid_list_, func);
diff --git a/server/gameserver/moveableentity.h b/server/gameserver/moveableentity.h
index e669304..6919f9d 100644
--- a/server/gameserver/moveableentity.h
+++ b/server/gameserver/moveableentity.h
@@ -13,8 +13,6 @@ class MoveableEntity : public RoomEntity
     int UpdatedTimes() { return updated_times_;}
     std::set<GridCell*>& GetGridList() { return grid_list_; }
 
-    void TraverseLayer0EntityList(std::function<void (Entity*, bool&)> func);
-    void TraverseLayer1EntityList(std::function<void (Entity*, bool&)> func);
     void TraverseAllLayerEntityList(std::function<void (Entity*, bool&)> func);
     void TraverseAllLayerHumanList(std::function<void (Human*, bool&)> func);
 
@@ -31,9 +29,9 @@ class MoveableEntity : public RoomEntity
 
 protected:
     int updated_times_ = 0;
-    a8::Vec2 move_dir_;
-    a8::Vec2 attack_dir_;
 
 private:
+    a8::Vec2 move_dir_;
+    a8::Vec2 attack_dir_;
     std::set<GridCell*> grid_list_;
 };