2 files changed, 6 insertions, 5 deletions
diff --git a/src/server/collision/Management/VMapManager2.cpp b/src/server/collision/Management/VMapManager2.cpp
index 813a3c04288..2aa3b6ab40d 100644
--- a/src/server/collision/Management/VMapManager2.cpp
+++ b/src/server/collision/Management/VMapManager2.cpp
@@ -18,6 +18,7 @@
 
 #include <iostream>
 #include <iomanip>
+#include <mutex>
 #include <string>
 #include <sstream>
 #include "VMapManager2.h"
@@ -252,7 +253,7 @@ namespace VMAP
     WorldModel* VMapManager2::acquireModelInstance(const std::string& basepath, const std::string& filename)
     {
         //! Critical section, thread safe access to iLoadedModelFiles
-        TRINITY_GUARD(ACE_Thread_Mutex, LoadedModelFilesLock);
+        std::lock_guard<std::mutex> lock(LoadedModelFilesLock);
 
         ModelFileMap::iterator model = iLoadedModelFiles.find(filename);
         if (model == iLoadedModelFiles.end())
@@ -275,7 +276,7 @@ namespace VMAP
     void VMapManager2::releaseModelInstance(const std::string &filename)
     {
         //! Critical section, thread safe access to iLoadedModelFiles
-        TRINITY_GUARD(ACE_Thread_Mutex, LoadedModelFilesLock);
+        std::lock_guard<std::mutex> lock(LoadedModelFilesLock);
 
         ModelFileMap::iterator model = iLoadedModelFiles.find(filename);
         if (model == iLoadedModelFiles.end())
diff --git a/src/server/collision/Management/VMapManager2.h b/src/server/collision/Management/VMapManager2.h
index 711025e67c0..03de6951d5d 100644
--- a/src/server/collision/Management/VMapManager2.h
+++ b/src/server/collision/Management/VMapManager2.h
@@ -19,10 +19,10 @@
 #ifndef _VMAPMANAGER2_H
 #define _VMAPMANAGER2_H
 
+#include <mutex>
+#include <unordered_map>
 #include "Define.h"
 #include "IVMapManager.h"
-#include <unordered_map>
-#include <ace/Thread_Mutex.h>
 
 //===========================================================
 
@@ -73,7 +73,7 @@ namespace VMAP
             ModelFileMap iLoadedModelFiles;
             InstanceTreeMap iInstanceMapTrees;
             // Mutex for iLoadedModelFiles
-            ACE_Thread_Mutex LoadedModelFilesLock;
+            std::mutex LoadedModelFilesLock;
 
             bool _loadMap(uint32 mapId, const std::string& basePath, uint32 tileX, uint32 tileY);
             /* void _unloadMap(uint32 pMapId, uint32 x, uint32 y); */