1 files changed, 10 insertions, 2 deletions

diff --git a/src/server/game/Maps/Map.cpp b/src/server/game/Maps/Map.cpp
index 4004d7c03ed..a58f36b8e07 100644
--- a/src/server/game/Maps/Map.cpp
+++ b/src/server/game/Maps/Map.cpp
@@ -959,10 +959,15 @@ void Map::RemovePlayerFromMap(Player* player, bool remove)
 {
     sScriptMgr->OnPlayerLeaveMap(this, player);
 
+    player->getHostileRefManager().deleteReferences(); // multithreading crashfix
+
+    bool const inWorld = player->IsInWorld();
     player->RemoveFromWorld();
     SendRemoveTransports(player);
 
-    player->UpdateObjectVisibility(true);
+    if (!inWorld) // if was in world, RemoveFromWorld() called DestroyForNearbyPlayers()
+        player->DestroyForNearbyPlayers(); // previous player->UpdateObjectVisibility(true)
+
     if (player->IsInGrid())
         player->RemoveFromGrid();
     else
@@ -975,11 +980,14 @@ void Map::RemovePlayerFromMap(Player* player, bool remove)
 template<class T>
 void Map::RemoveFromMap(T *obj, bool remove)
 {
+    bool const inWorld = obj->IsInWorld() && obj->GetTypeId() >= TYPEID_UNIT && obj->GetTypeId() <= TYPEID_GAMEOBJECT;
     obj->RemoveFromWorld();
     if (obj->isActiveObject())
         RemoveFromActive(obj);
 
-    obj->UpdateObjectVisibility(true);
+    if (!inWorld) // if was in world, RemoveFromWorld() called DestroyForNearbyPlayers()
+        obj->DestroyForNearbyPlayers(); // previous obj->UpdateObjectVisibility(true)
+
     obj->RemoveFromGrid();
 
     obj->ResetMap();