diff --git a/core/command_queue_mt.h b/core/command_queue_mt.h
index 4fd33e3a55..142668f6f6 100644
--- a/core/command_queue_mt.h
+++ b/core/command_queue_mt.h
@@ -34,7 +34,6 @@
 #include "os/mutex.h"
 #include "os/memory.h"
 #include "simple_type.h"
-#include "print_string.h"
 /**
 	@author Juan Linietsky <reduzio@gmail.com>
 */
@@ -175,7 +174,7 @@ class CommandQueueMT {
 		R* ret;
 		SyncSemaphore *sync;
 	
-		virtual void call() { *ret = (instance->*method)(p1); sync->sem->post(); print_line("post"); sync->in_use=false; ; }
+		virtual void call() { *ret = (instance->*method)(p1); sync->sem->post(); sync->in_use=false; }
 	};
 	
 	template<class T,class M,class P1,class P2,class R>
@@ -676,7 +675,6 @@ public:
 		
 		if (sync) sync->post();
 		ss->sem->wait();
-		print_line("wait");
 	}
 
 	template<class T, class M, class P1, class P2,class R>