diff --git a/simulator_SIC_XE/gui/qt/MainWindow.h b/simulator_SIC_XE/gui/qt/MainWindow.h
deleted file mode 100644
index a67c8d1..0000000
--- a/simulator_SIC_XE/gui/qt/MainWindow.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef MAINWINDOW_H
-#define MAINWINDOW_H
-
-#include <QMainWindow>
-
-class MachineController;
-
-class MainWindow : public QMainWindow {
-    Q_OBJECT
-public:
-    explicit MainWindow(QWidget *parent = nullptr);
-    ~MainWindow() override;
-
-private:
-    MachineController *m_controller = nullptr;
-};
-
-#endif // MAINWINDOW_H