diff --git a/applets/pager/plugin/windowmodel.cpp b/applets/pager/plugin/windowmodel.cpp
index bcda333f7..85e1df17e 100644
--- a/applets/pager/plugin/windowmodel.cpp
+++ b/applets/pager/plugin/windowmodel.cpp
@@ -1,147 +1,148 @@
 /********************************************************************
 Copyright 2016  Eike Hein <hein.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.
 
 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 .
 *********************************************************************/
 
 #include "windowmodel.h"
 #include "pagermodel.h"
 
 #include <abstracttasksmodel.h>
 
 #include <QGuiApplication>
 #include <QMetaEnum>
 #include <QScreen>
 
 #include <KWindowSystem>
 
 #include <algorithm>
 
 using namespace TaskManager;
 
 class WindowModel::Private
 {
 public:
     Private(WindowModel *q);
 
     PagerModel *pagerModel = nullptr;
 
 private:
     WindowModel *q;
 };
 
 WindowModel::Private::Private(WindowModel *q)
     : q(q)
 {
+    Q_UNUSED(this->q);
 }
 
 WindowModel::WindowModel(PagerModel *parent)
     : TaskFilterProxyModel(parent)
     , d(new Private(this))
 {
     d->pagerModel = parent;
 }
 
 WindowModel::~WindowModel()
 {
 }
 
 QHash<int, QByteArray> WindowModel::roleNames() const
 {
     QHash<int, QByteArray> roles = TaskFilterProxyModel::roleNames();
 
     QMetaEnum e = metaObject()->enumerator(metaObject()->indexOfEnumerator("WindowModelRoles"));
 
      for (int i = 0; i < e.keyCount(); ++i) {
          roles.insert(e.value(i), e.key(i));
      }
 
     return roles;
 }
 
 QVariant WindowModel::data(const QModelIndex &index, int role) const
 {
     if (role == AbstractTasksModel::Geometry) {
         QRect windowGeo = TaskFilterProxyModel::data(index, role).toRect();
         QList<QScreen *> screens = QGuiApplication::screens();
         const QRect desktopGeo = screens.at(0)->virtualGeometry();
 
         if (KWindowSystem::mapViewport()) {
             int x = windowGeo.center().x() % desktopGeo.width();
             int y = windowGeo.center().y() % desktopGeo.height();
 
             if (x < 0) {
                 x = x + desktopGeo.width();
             }
 
             if (y < 0) {
                 y = y + desktopGeo.height();
             }
 
             const QRect mappedGeo(x - windowGeo.width() / 2, y - windowGeo.height() / 2,
                 windowGeo.width(), windowGeo.height());
 
             if (filterByScreen() && screenGeometry().isValid()) {
                 const QPoint &screenOffset = screenGeometry().topLeft();
 
                 windowGeo = mappedGeo.translated(0 - screenOffset.x(), 0 - screenOffset.y());
             }
         } else if (filterByScreen() && screenGeometry().isValid()) {
             const QPoint &screenOffset = screenGeometry().topLeft();
 
             windowGeo.translate(0 - screenOffset.x(), 0 - screenOffset.y());
         }
 
         // Clamp to desktop rect.
         // TODO: Switch from qBound to std::clamp once we use C++17.
         windowGeo.setX(qBound(0, windowGeo.x(), desktopGeo.width()));
         windowGeo.setY(qBound(0, windowGeo.y(), desktopGeo.height()));
 
         if ((windowGeo.x() + windowGeo.width()) > desktopGeo.width()) {
             windowGeo.setWidth(desktopGeo.width() - windowGeo.x());
         }
 
         if ((windowGeo.y() + windowGeo.height()) > desktopGeo.height()) {
             windowGeo.setHeight(desktopGeo.height() - windowGeo.y());
         }
 
         return windowGeo;
     } else if (role == StackingOrder) {
 #if HAVE_X11
         const QVariantList &winIds = TaskFilterProxyModel::data(index, AbstractTasksModel::WinIdList).toList();
 
         if (winIds.count()) {
             const WId winId = winIds.at(0).toLongLong();
             const int z = d->pagerModel->stackingOrder().indexOf(winId);
 
             if (z != -1) {
                 return z;
             }
         }
 #endif
 
         return 0;
     }
 
     return TaskFilterProxyModel::data(index, role);
 }
 
 void WindowModel::refreshStackingOrder()
 {
     if (rowCount()) {
         emit dataChanged(index(0, 0), index(rowCount() - 1, 0), QVector<int>{StackingOrder});
     }
 }