diff --git a/effects/minimizeanimation/minimizeanimation.h b/effects/minimizeanimation/minimizeanimation.h
index db9f74aea..4549bc7c2 100644
--- a/effects/minimizeanimation/minimizeanimation.h
+++ b/effects/minimizeanimation/minimizeanimation.h
@@ -1,66 +1,66 @@
 /********************************************************************
  KWin - the KDE window manager
  This file is part of the KDE project.
 
 Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
 
 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, see <http://www.gnu.org/licenses/>.
 *********************************************************************/
 
 #ifndef KWIN_MINIMIZEANIMATION_H
 #define KWIN_MINIMIZEANIMATION_H
 
 // Include with base class for effects.
 #include <kwineffects.h>
 
 namespace KWin
 {
 
 /**
  * Animates minimize/unminimize
  **/
 class MinimizeAnimationEffect : public Effect
 {
     Q_OBJECT
 
 public:
     MinimizeAnimationEffect();
 
     void reconfigure(ReconfigureFlags flags) override;
 
-    virtual void prePaintScreen(ScreenPrePaintData &data, int time);
-    virtual void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, int time);
-    virtual void paintWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data);
-    virtual void postPaintScreen();
-    virtual bool isActive() const;
+    void prePaintScreen(ScreenPrePaintData &data, int time) override;
+    void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, int time) override;
+    void paintWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data) override;
+    void postPaintScreen() override;
+    bool isActive() const override;
 
     int requestedEffectChainPosition() const override {
         return 50;
     }
 
     static bool supported();
 
 private Q_SLOTS:
     void windowDeleted(EffectWindow *w);
     void windowMinimized(EffectWindow *w);
     void windowUnminimized(EffectWindow *w);
 
 private:
     std::chrono::milliseconds m_duration;
     QHash<const EffectWindow*, TimeLine> m_animations;
 };
 
 } // namespace
 
 #endif