diff --git a/src/kmahjongg.h b/src/kmahjongg.h
index 9892f03..89b520c 100644
--- a/src/kmahjongg.h
+++ b/src/kmahjongg.h
@@ -1,124 +1,123 @@
 /* kmahjongg, the classic mahjongg game for KDE project
  *
  * Copyright (C) 1997 Mathias Mueller   <in5y158@public.uni-hamburg.de>
  * Copyright (C) 2006-2007 Mauricio Piacentini   <mauricio@tabuleiro.com>
  *
  * Kmahjongg is free software; you can redistribute it and/or modify it under the terms of the GNU
  * General Public License as published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along with this program; if
  * not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA. */
 
 #ifndef KMAHJONGG_H
 #define KMAHJONGG_H
 
 // KDE
 #include <KXmlGuiWindow>
 
 class KToggleAction;
 class QLabel;
 class KGameClock;
 class Editor;
 class GameView;
 class GameScene;
 class GameData;
 class KMahjonggLayout;
 
 /**
  * @author Mathias */
 class KMahjongg : public KXmlGuiWindow
 {
     Q_OBJECT
 
 public:
     explicit KMahjongg(QWidget * parent = nullptr);
     ~KMahjongg() override;
 
 public slots:
     void startNewGame(int num = -1);
 
     /**
      * Load the settings... */
     void loadSettings();
 
     void showStatusText(const QString & msg, long board);
 
     void showItemNumber(int maximum, int current, int left);
 
     void gameOver(unsigned short numRemoved, unsigned short cheats);
 
     /**
      * Connected to GameView::demoOrMoveListAnimationOver(bool) signal. */
     void demoOrMoveListAnimationOver(bool demoGameLost);
 
 protected:
     void setupKAction();
     void setupStatusBar();
     void changeEvent(QEvent * event) override;
     void closeEvent(QCloseEvent * event) override;
 
 private slots:
     void showSettings();
     void startNewNumeric();
     void saveGame();
     void loadGame();
     void restartGame();
     void undo();
     void redo();
     void pause();
     void demoMode();
     void displayTime(const QString & timestring);
     void showHighscores();
     void slotBoardEditor();
     void noMovesAvailable();
     void toggleFullscreen();
 
 private:
     enum class GameState { Gameplay,
                            Demo,
                            Paused,
                            Finished,
                            Stuck };
     GameState m_gameState;
 
     void updateState(GameState state);
     void updateUndoAndRedoStates();
     void loadLayout();
     void saveSettings();
 
     bool m_bLastRandomSetting;
-    bool m_fullscreen;
 
     GameView * m_gameView;
     GameData * m_gameData;
     GameScene * m_gameScene;
 
     KMahjonggLayout * m_boardLayout;
 
     Editor * m_boardEditor;
 
     QLabel * m_gameNumLabel;
     QLabel * m_tilesLeftLabel;
     QLabel * m_statusLabel;
     QLabel * m_gameTimerLabel;
 
     QAction * m_undoAction;
     QAction * m_redoAction;
 
     KGameClock * m_gameTimer;
 
     KToggleAction * m_pauseAction;
     KToggleAction * m_fullscreenAction;
     KToggleAction * m_demoAction;
 
     static const QString gameMagic;
     static const int gameDataVersion;
 };
 
 #endif