diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 5eb8a36..ba259f2 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -106,7 +106,6 @@ void Bullet::OnHit(std::set<Entity*>& objects)
                         #ifdef RAY_DETECTION
                         if (!obstacle->observer_set.empty()) {
                             for (Bullet* bullet : obstacle->observer_set) {
-                                bullet->touch_object = nullptr;
                                 bullet->RayDetection();
                             }
                             obstacle->observer_set.clear();
@@ -245,10 +244,6 @@ void Bullet::RayDetectionUpdate()
 void Bullet::ClearRayData()
 {
 #ifdef RAY_DETECTION
-    if (touch_object) {
-        touch_object->observer_set.erae(this);
-        touch_object = nullptr;
-    }
 #endif
 }
 
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index 3910df8..bef7760 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -26,7 +26,6 @@ class Bullet : public Entity
 #ifdef RAY_DETECTION
     float target_distance = 0.0f;
     Vector2D target_point;
-    Obstacle* touch_object = nullptr;
 #endif
 
     Bullet();
diff --git a/server/gameserver/obstacle.h b/server/gameserver/obstacle.h
index 10123fe..13f4a7b 100644
--- a/server/gameserver/obstacle.h
+++ b/server/gameserver/obstacle.h
@@ -36,9 +36,6 @@ class Obstacle : public Entity
     int door_house_uniid = 0;
     const metatable::DoorObjJson* door_state0 = nullptr;
     const metatable::DoorObjJson* door_state1 = nullptr;
-#ifdef RAY_DETECTION
-    std::set<Bullet*> observer_set;
-#endif
 
     Obstacle();
     virtual ~Obstacle() override;