1 files changed, 0 insertions, 49 deletions
diff --git a/examples/widgets/tools/undo/mainwindow.h b/examples/widgets/tools/undo/mainwindow.h
deleted file mode 100644
index cda67ea196..0000000000
--- a/examples/widgets/tools/undo/mainwindow.h
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#ifndef MAINWINDOW_H
-#define MAINWINDOW_H
-
-#include <QMainWindow>
-#include "ui_mainwindow.h"
-
-class Document;
-
-class MainWindow : public QMainWindow, public Ui::MainWindow
-{
-    Q_OBJECT
-
-public:
-    MainWindow(QWidget *parent = nullptr);
-
-    void addDocument(Document *doc);
-    void removeDocument(Document *doc);
-    void setCurrentDocument(Document *doc);
-    Document *currentDocument() const;
-
-public slots:
-    void openDocument();
-    void saveDocument();
-    void closeDocument();
-    void newDocument();
-
-    void addShape();
-    void removeShape();
-    void setShapeColor();
-
-    void addSnowman();
-    void addRobot();
-
-    void about();
-    void aboutQt();
-
-private slots:
-    void updateActions();
-
-private:
-    QUndoGroup *m_undoGroup;
-
-    QString fixedWindowTitle(const Document *doc) const;
-};
-
-#endif // MAINWINDOW_H