diff --git a/MT5Connector/MT5Connector.cpp b/MT5Connector/MT5Connector.cpp
index 8165e389..89b9b39d 100755
--- a/MT5Connector/MT5Connector.cpp
+++ b/MT5Connector/MT5Connector.cpp
@@ -40,10 +40,9 @@ template <typename T> T Execute(std::function<T()> func, wchar_t* err, T default
     return result;
 }
 
-_DLLAPI int _stdcall initExpert(int expertHandle, int port, int isTestMode, wchar_t* err)
+_DLLAPI int _stdcall initExpert(int expertHandle, int port, wchar_t* err)
 {
-    return Execute<int>([&expertHandle, &port, &isTestMode]() {
-        bool isTesting = (isTestMode != 0) ? true : false;
+    return Execute<int>([&expertHandle, &port]() {
         auto mt_handler = std::make_unique<MT5Handler>(expertHandle);
         MtService::GetInstance().InitExpert(port, expertHandle, std::move(mt_handler));
         return 1;