diff --git a/src/game/GameObject.cpp b/src/game/GameObject.cpp
index 6a69e5288..433493492 100644
--- a/src/game/GameObject.cpp
+++ b/src/game/GameObject.cpp
@@ -738,7 +738,7 @@ bool GameObject::isVisibleForInState(Player const* u, bool inVisibleList) const
     }
 
     // check distance
-    return IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceForObject() +
+    return IsWithinDistInMap(u,World::GetMaxVisibleDistanceForObject() +
         (inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), false);
 }
 
diff --git a/src/game/Object.cpp b/src/game/Object.cpp
index b02794884..ebd2279b7 100644
--- a/src/game/Object.cpp
+++ b/src/game/Object.cpp
@@ -1123,19 +1123,6 @@ bool WorldObject::IsWithinDistInMap(const WorldObject* obj, const float dist2com
     return distsq < maxdist * maxdist;
 }
 
-bool WorldObject::IsWithinDistInMap2d(const WorldObject* obj, const float dist2compare) const
-{
-    if (!obj || !IsInMap(obj)) return false;
-
-    float dx = GetPositionX() - obj->GetPositionX();
-    float dy = GetPositionY() - obj->GetPositionY();
-    float distsq = dx*dx + dy*dy;
-    float sizefactor = GetObjectSize() + obj->GetObjectSize();
-    float maxdist = dist2compare + sizefactor;
-
-    return distsq < maxdist * maxdist;
-}
-
 bool WorldObject::IsWithinLOSInMap(const WorldObject* obj) const
 {
     if (!IsInMap(obj)) return false;
diff --git a/src/game/Object.h b/src/game/Object.h
index 8be15b4f7..16e1fbfdf 100644
--- a/src/game/Object.h
+++ b/src/game/Object.h
@@ -418,7 +418,6 @@ class MANGOS_DLL_SPEC WorldObject : public Object
         float GetDistanceZ(const WorldObject* obj) const;
         bool IsInMap(const WorldObject* obj) const { return GetMapId()==obj->GetMapId() && GetInstanceId()==obj->GetInstanceId(); }
         bool IsWithinDistInMap(const WorldObject* obj, const float dist2compare, const bool is3D = true) const;
-        bool IsWithinDistInMap2d(const WorldObject* obj, const float dist2compare) const;
         bool IsWithinLOS(const float x, const float y, const float z ) const;
         bool IsWithinLOSInMap(const WorldObject* obj) const;
 
diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 2e4116f47..1fe3e984d 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -8599,26 +8599,12 @@ bool Unit::isVisibleForOrDetect(Unit const* u, bool detect, bool inVisibleList,
     {
         // use object grey distance for all (only see objects any way)
         if (!IsWithinDistInMap(u,World::GetMaxVisibleDistanceInFlight()+(inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), is3dDistance))
-        {
-            if (!IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceInFlight()+(inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f)))
-                return false;
-        }
-        else
-        {
-                return false;
-        }
+            return false;
     }
     else if(!isAlive())                                     // distance for show body
     {
         if (!IsWithinDistInMap(u,World::GetMaxVisibleDistanceForObject()+(inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), is3dDistance))
-        {
-            if (!IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceForObject()+(inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f)))
-                return false;
-        }
-        else
-        {
-                return false;
-        }
+            return false;
     }
     else if(GetTypeId()==TYPEID_PLAYER)                     // distance for show player
     {
@@ -8626,54 +8612,26 @@ bool Unit::isVisibleForOrDetect(Unit const* u, bool detect, bool inVisibleList,
         {
             // Players far than max visible distance for player or not in our map are not visible too
             if (!at_same_transport && !IsWithinDistInMap(u,World::GetMaxVisibleDistanceForPlayer()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f), is3dDistance))
-            {
-                if (!at_same_transport && !IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceForPlayer()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f)))
-                    return false;
-            }
-            else
-            {
-                    return false;
-            }
+                return false;
         }
         else
         {
             // Units far than max visible distance for creature or not in our map are not visible too
             if (!IsWithinDistInMap(u,World::GetMaxVisibleDistanceForCreature()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f), is3dDistance))
-            {
-                if (!IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceForCreature()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f)))
-                    return false;
-            }
-            else
-            {
-                    return false;
-            }
+                return false;
         }
     }
     else if(GetCharmerOrOwnerGUID())                        // distance for show pet/charmed
     {
         // Pet/charmed far than max visible distance for player or not in our map are not visible too
         if (!IsWithinDistInMap(u,World::GetMaxVisibleDistanceForPlayer()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f), is3dDistance))
-        {
-            if (!IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceForPlayer()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f)))
-                return false;
-        }
-        else
-        {
-                return false;
-        }
+            return false;
     }
     else                                                    // distance for show creature
     {
         // Units far than max visible distance for creature or not in our map are not visible too
         if (!IsWithinDistInMap(u,World::GetMaxVisibleDistanceForCreature()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f), is3dDistance))
-        {
-            if (!IsWithinDistInMap2d(u,World::GetMaxVisibleDistanceForCreature()+(inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f)))
-                return false;
-        }
-        else
-        {
-                return false;
-        }
+            return false;
     }
 
     // Visible units, always are visible for all units, except for units under invisibility