Index: src/libchengine/TSubTaskBase.h
===================================================================
diff -u -N -r0d5b67ee96b435d63f7bf075dc8e28603793b187 -r08717141ce5f6926116c298cbc9442094a45bb67
--- src/libchengine/TSubTaskBase.h	(.../TSubTaskBase.h)	(revision 0d5b67ee96b435d63f7bf075dc8e28603793b187)
+++ src/libchengine/TSubTaskBase.h	(.../TSubTaskBase.h)	(revision 08717141ce5f6926116c298cbc9442094a45bb67)
@@ -60,7 +60,7 @@
 		virtual void Reset() = 0;
 
 		virtual void InitBeforeExec() = 0;
-		virtual ESubOperationResult Exec(const IFeedbackHandlerPtr& spFeedbackHandler) = 0;
+		virtual ESubOperationResult Exec() = 0;
 		virtual ESubOperationType GetSubOperationType() const = 0;
 
 		// serialization