diff --git a/src_main/thread/pitimer.cpp b/src_main/thread/pitimer.cpp
index 5720fa73..27026ab4 100755
--- a/src_main/thread/pitimer.cpp
+++ b/src_main/thread/pitimer.cpp
@@ -457,13 +457,13 @@ PITimer::PITimer(TimerEvent slot, void * data, PITimer::TimerImplementation ti):
 }
 
 
-PITimer::PITimer(const PITimer & other): PIObject() {
-	piMonitor.timers++;
-	imp_mode = other.imp_mode;
-	initFirst();
-	data_t = other.data_t;
-	ret_func = other.ret_func;
-}
+//PITimer::PITimer(const PITimer & other): PIObject() {
+//	piMonitor.timers++;
+//	imp_mode = other.imp_mode;
+//	initFirst();
+//	data_t = other.data_t;
+//	ret_func = other.ret_func;
+//}
 
 
 PITimer::~PITimer() {
diff --git a/src_main/thread/pitimer.h b/src_main/thread/pitimer.h
index 07740b6c..609e05c1 100755
--- a/src_main/thread/pitimer.h
+++ b/src_main/thread/pitimer.h
@@ -94,7 +94,7 @@ public:
 	//! \brief Constructs timer with "slot" slot, "data" data and "ti" implementation
 	explicit PITimer(TimerEvent slot, void * data = 0, TimerImplementation ti = Thread);
 	
-	PITimer(const PITimer & other);
+//	PITimer(const PITimer & other);
 	
 	virtual ~PITimer();
 	
@@ -246,7 +246,10 @@ protected:
 	PIVector<Delimiter> delims;
 	
 	_PITimerBase * imp;
-	
+
+private:
+	explicit PITimer(const PITimer & );
+	void operator =(const PITimer & );
 };