diff --git a/mainwindow.h b/mainwindow.h
index f7ce0ac..2b493bd 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -21,10 +21,9 @@ class MainWindow : public QMainWindow {
 
 protected:
     void customEvent(QEvent *event) override;
-    // bool eventFilter(QObject *obj, QEvent *ev) override;
 
 public:
-    MainWindow(hwinf *hw, Worker *worker, Update *update, QWidget *parent = nullptr);
+    MainWindow(Worker *worker, QWidget *parent = nullptr);
     ~MainWindow();
 
     static const int START_PROGRESS_LOOP = -1;
@@ -35,10 +34,9 @@ public:
     static const int BL_STOP_COUNT = 5;
 
     // int progressValue() const { return m_progressValue; }
-    hwinf *getPlugin() { return m_hw; }
-    hwinf const *getPlugin() const { return m_hw; }
-    Update *getUpdate() { return m_update; }
-    Update const *getUpdate() const { return m_update; }
+    //hwinf *getPlugin() { return m_hw; }
+    //hwinf const *getPlugin() const { return m_hw; }
+
     UpdateDcEvent::UpdateStep updateStep() const { return m_updateStep; }
     void setUpdateStep(UpdateDcEvent::UpdateStep updateStep) { m_updateStep = updateStep; }
 
@@ -72,14 +70,13 @@ private:
     void onShowMessage(QString, QString);
 
     Ui::MainWindow *ui;
-    hwinf *m_hw;
     Worker *m_worker;
+    hwinf *m_hw = nullptr;
     int const m_width;
     QTimer *m_startTimer;
     QTimer *m_exitTimer;
     bool m_progressRunning;
     //int m_progressValue;
-    Update *m_update;
     UpdateDcEvent::UpdateStep m_updateStep;
 };
 #endif // MAINWINDOW_H