Index: trunk/Mars/mcore/Queue.h
===================================================================
--- trunk/Mars/mcore/Queue.h	(revision 17743)
+++ trunk/Mars/mcore/Queue.h	(revision 17747)
@@ -25,6 +25,4 @@
 //    splice();                // used to efficiently implement post with mutex
 
-using namespace std;
-
 template<class T, class List=std::list<T>>
 class Queue