diff --git a/plugins/generators/screentone/kis_wdg_screentone.h b/plugins/generators/screentone/kis_wdg_screentone.h
index 08902d3900..56984ff7c1 100644
--- a/plugins/generators/screentone/kis_wdg_screentone.h
+++ b/plugins/generators/screentone/kis_wdg_screentone.h
@@ -1,61 +1,60 @@
 /*
  * KDE. Krita Project.
  *
  * Copyright (c) 2020 Deif Lou <ginoba@gmail.com>
  *
  * 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.
  *
  * 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 KIS_WDG_SCREENTONE_H
 #define KIS_WDG_SCREENTONE_H
 
 #include <kis_config_widget.h>
 #include <KoColorSpace.h>
 #include <KoColorSpaceRegistry.h>
 
 class Ui_WdgScreentoneOptions;
-class KisAspectRatioLocker;
 
 class KisWdgScreentone : public KisConfigWidget
 {
     Q_OBJECT
 public:
     KisWdgScreentone(QWidget* parent = 0, const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8());
     ~KisWdgScreentone() override;
 public:
     inline const Ui_WdgScreentoneOptions* widget() const {
         return m_widget;
     }
     void setConfiguration(const KisPropertiesConfigurationSP) override;
     KisPropertiesConfigurationSP configuration() const override;
 
 private:
     Ui_WdgScreentoneOptions* m_widget;
     const KoColorSpace *m_colorSpace;
 
     void setupPatternComboBox();
     void setupShapeComboBox();
     void setupInterpolationComboBox();
 
 private Q_SLOTS:
     void slot_comboBoxPattern_currentIndexChanged(int);
     void slot_comboBoxShape_currentIndexChanged(int);
     void slot_sliderSizeX_valueChanged(qreal value);
     void slot_sliderSizeY_valueChanged(qreal value);
     void slot_buttonKeepSizeSquare_keepAspectRatioChanged(bool keep);
 
 };
 
 #endif