diff --git a/klineal.h b/klineal.h
index 217d726..310870c 100644
--- a/klineal.h
+++ b/klineal.h
@@ -1,127 +1,126 @@
 /***************************************************************************
                           klineal.h  -  description
                              -------------------
     begin                : Fri Oct 13 2000
     Copyright            : (C) 2000 - 2008 by Till Krech <till@snafu.de>
                            (C) 2009        by Mathias Soeken <msoeken@tzi.de>
                            (C) 2017        by Aurélien Gâteau <agateau@kde.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program 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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef KLINEAL_H
 #define KLINEAL_H
 
 #include <QWidget>
 
 class QAction;
 class QIcon;
 class QMenu;
-class QToolButton;
 
 class KActionCollection;
 class KRulerSystemTray;
 
 class KLineal : public QWidget {
   Q_OBJECT
 
 public:
   explicit KLineal( QWidget *parent = nullptr );
   ~KLineal();
 
   void move( int x, int y );
   void move( const QPoint &p );
   QPoint pos() const;
   int x() const;
   int y() const;
 
 protected:
   void keyPressEvent( QKeyEvent *e ) override;
   void leaveEvent( QEvent *e ) override;
   void mousePressEvent( QMouseEvent *e ) override;
   void mouseReleaseEvent( QMouseEvent *e ) override;
   void mouseMoveEvent( QMouseEvent *e ) override;
   void wheelEvent( QWheelEvent *e ) override;
   void paintEvent( QPaintEvent *e ) override;
 
   void createSystemTray();
 
 private:
   void createCrossCursor();
   QAction* addAction( QMenu *menu, const QIcon& icon, const QString& text,
                       const QObject* receiver, const char* member,
                       const QKeySequence &shortcut, const QString& name );
   void drawScale( QPainter &painter );
   void drawBackground( QPainter &painter );
   void drawScaleText( QPainter &painter, int x, const QString &text );
   void drawScaleTick( QPainter &painter, int x, int length );
   void drawResizeHandle( QPainter &painter, Qt::Edge edge );
   void drawIndicatorOverlay( QPainter &painter, int xy );
   void drawIndicatorText( QPainter &painter, int xy );
   void updateScaleDirectionMenuItem();
 
   QRect beginRect() const;
   QRect midRect() const;
   QRect endRect() const;
   Qt::CursorShape resizeCursor() const;
   bool nativeMove() const;
   void startNativeMove( QMouseEvent *e );
   void stopNativeMove( QMouseEvent *e );
   QString indicatorText() const;
 
   enum RulerState {
     StateNone,
     StateMove,
     StateBegin,
     StateEnd
   };
   QCursor mCrossCursor;
   RulerState mRulerState = StateNone;
   QPoint mLastClickPos;
   QPoint mDragOffset;
   bool mHorizontal = false;
   QMenu *mMenu = nullptr;
   QAction *mCloseAction = nullptr;
   QAction *mScaleDirectionAction = nullptr;
   QAction *mCenterOriginAction = nullptr;
   QAction *mOffsetAction = nullptr;
   QColor mColor;
   QFont mScaleFont;
   bool mAlwaysOnTopLayer = false;
   bool mClicked = false;
   bool mLeftToRight = false;
   int mOffset = 0;
   bool mRelativeScale = false;
   KActionCollection *mActionCollection = nullptr;
   int mOpacity = 0;
   KRulerSystemTray *mTrayIcon = nullptr;
 
   void setHorizontal( bool horizontal );
 
   bool isResizing() const;
   int length() const;
   QPoint localCursorPos() const;
 
 public Q_SLOTS:
   void rotate();
   void showMenu();
   void switchDirection();
   void centerOrigin();
   void slotOffset();
   void slotOpacity( int value );
   void slotKeyBindings();
   void slotPreferences();
   void switchRelativeScale( bool checked );
   void saveSettings();
   void slotClose();
   void slotQuit();
   void loadConfig();
 };
 #endif