diff --git a/ElunaUtility.h b/ElunaUtility.h
index 2f51dee..a98d333 100644
--- a/ElunaUtility.h
+++ b/ElunaUtility.h
@@ -23,7 +23,7 @@
 
 // Some dummy includes containing BOOST_VERSION:
 // ObjectAccessor.h Config.h Log.h
-#ifdef BOOST_VERSION
+#ifndef MANGOS
 #define USING_BOOST
 #endif
 
diff --git a/LuaEngine.h b/LuaEngine.h
index 93bc88a..9fcb650 100644
--- a/LuaEngine.h
+++ b/LuaEngine.h
@@ -21,10 +21,6 @@
 #include "Hooks.h"
 #include "ElunaUtility.h"
 
-#ifndef USING_BOOST
-#include <ace/Recursive_Thread_Mutex.h>
-#endif
-
 extern "C"
 {
 #include "lua.h"