diff --git a/libs/main/core/piobject.h b/libs/main/core/piobject.h
index 04938040..cb19bcfa 100644
--- a/libs/main/core/piobject.h
+++ b/libs/main/core/piobject.h
@@ -485,6 +485,7 @@ private:
 	PIVector<__MetaFunc> findEH(const PIString & name) const;
 	__MetaFunc methodEH(const void * addr) const;
 	void updateConnectors();
+	void piDisconnectAll();
 
 	void postQueuedEvent(const __QueuedEvent & e);
 	void eventBegin() {in_event_cnt++;}