diff --git a/src/windowsystem/windowsystem.cpp b/src/windowsystem/windowsystem.cpp
index ce6df6b..5f290c0 100644
--- a/src/windowsystem/windowsystem.cpp
+++ b/src/windowsystem/windowsystem.cpp
@@ -1,533 +1,537 @@
 /*
  * Copyright 2015 Martin Gräßlin <mgraesslin@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) version 3, or any
  * later version accepted by the membership of KDE e.V. (or its
  * successor approved by the membership of KDE e.V.), which shall
  * act as a proxy defined in Section 6 of version 3 of the license.
  *
  * This library 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include "windowsystem.h"
 #include "waylandintegration.h"
 #include "logging.h"
 
 #include <KWindowSystem/KWindowSystem>
 
 #include <KWayland/Client/connection_thread.h>
 #include <KWayland/Client/plasmawindowmanagement.h>
 #include <KWayland/Client/registry.h>
 #include <KWayland/Client/plasmashell.h>
 #include <KWayland/Client/surface.h>
 
 #include <QPixmap>
 #include <QPoint>
 #include <QString>
 
 using namespace KWayland::Client;
 
 WindowSystem::WindowSystem()
     : QObject()
     , KWindowSystemPrivate()
 {
 }
 
 KWayland::Client::PlasmaWindow *WindowSystem::window(WId wid) const
 {
     if (!WaylandIntegration::self()->plasmaWindowManagement()) {
         return nullptr;
     }
 
     const auto &windows = WaylandIntegration::self()->plasmaWindowManagement()->windows();
     auto it = std::find_if(windows.begin(), windows.end(), [wid] (PlasmaWindow *w) { return w->internalId() == wid; } );
     if (it != windows.end()) {
         return *it;
     }
     return nullptr;
 }
 
 void WindowSystem::activateWindow(WId win, long int time)
 {
     Q_UNUSED(time)
     if (PlasmaWindow *w = window(win)) {
         w->requestActivate();
     }
 }
 
 void WindowSystem::forceActiveWindow(WId win, long int time)
 {
     Q_UNUSED(time)
     if (PlasmaWindow *w = window(win)) {
         w->requestActivate();
     } else {
         Surface *s = Surface::fromQtWinId(win);
         if (!s) {
             return;
         }
         auto plasmaShellSurface = PlasmaShellSurface::get(s);
         if (!plasmaShellSurface) {
             return;
         }
         if (plasmaShellSurface->role() == PlasmaShellSurface::Role::Panel) {
             plasmaShellSurface->setPanelTakesFocus(true);
         }
     }
 }
 
 WId WindowSystem::activeWindow()
 {
     KWayland::Client::PlasmaWindowManagement *wm = WaylandIntegration::self()->plasmaWindowManagement();
     if (wm && wm->activeWindow()) {
         return wm->activeWindow()->internalId();
     }
     return 0;
 }
 
 bool WindowSystem::allowedActionsSupported()
 {
     return false;
 }
 
 void WindowSystem::allowExternalProcessWindowActivation(int pid)
 {
     Q_UNUSED(pid)
 }
 
 bool WindowSystem::compositingActive()
 {
     // wayland is always composited
     return true;
 }
 
 void WindowSystem::connectNotify(const QMetaMethod &signal)
 {
     Q_UNUSED(signal)
 }
 
 QPoint WindowSystem::constrainViewportRelativePosition(const QPoint &pos)
 {
     Q_UNUSED(pos)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewport positions";
     return QPoint();
 }
 
 int WindowSystem::currentDesktop()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
     return 0;
 }
 
 void WindowSystem::demandAttention(WId win, bool set)
 {
     Q_UNUSED(win)
     Q_UNUSED(set)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support demanding attention";
 }
 
 QString WindowSystem::desktopName(int desktop)
 {
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
     return QString();
 }
 
 QPoint WindowSystem::desktopToViewport(int desktop, bool absolute)
 {
     Q_UNUSED(desktop)
     Q_UNUSED(absolute)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewport positions";
     return QPoint();
 }
 
+#if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 0)
 WId WindowSystem::groupLeader(WId window)
 {
     Q_UNUSED(window)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support group leader";
     return 0;
 }
+#endif
 
 bool WindowSystem::icccmCompliantMappingState()
 {
     return false;
 }
 
 QPixmap WindowSystem::icon(WId win, int width, int height, bool scale, int flags)
 {
     Q_UNUSED(scale)
     Q_UNUSED(flags)
     if (PlasmaWindow *w = window(win)) {
         return w->icon().pixmap(width, height);
     }
     return QPixmap();
 }
 
 void WindowSystem::lowerWindow(WId win)
 {
     Q_UNUSED(win)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support lower window";
 }
 
 bool WindowSystem::mapViewport()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewport positions";
     return false;
 }
 
 void WindowSystem::minimizeWindow(WId win)
 {
     if (PlasmaWindow *w = window(win)) {
         if (!w->isMinimized()) {
             w->requestToggleMinimized();
         }
     }
 }
 
 void WindowSystem::unminimizeWindow(WId win)
 {
     if (PlasmaWindow *w = window(win)) {
         if (w->isMinimized()) {
             w->requestToggleMinimized();
         }
     }
 }
 
 int WindowSystem::numberOfDesktops()
 {
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
     return 1;
 }
 
 void WindowSystem::raiseWindow(WId win)
 {
     Q_UNUSED(win)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support raising windows";
 }
 
 QString WindowSystem::readNameProperty(WId window, long unsigned int atom)
 {
     Q_UNUSED(window)
     Q_UNUSED(atom)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support reading X11 properties";
     return QString();
 }
 
 void WindowSystem::setBlockingCompositing(WId window, bool active)
 {
     Q_UNUSED(window)
     Q_UNUSED(active)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support blocking compositing";
 }
 
 void WindowSystem::setCurrentDesktop(int desktop)
 {
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
 }
 
 void WindowSystem::setDesktopName(int desktop, const QString &name)
 {
     Q_UNUSED(desktop)
     Q_UNUSED(name)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support virtual desktops";
 }
 
 void WindowSystem::setExtendedStrut(WId win, int left_width, int left_start, int left_end, int right_width, int right_start, int right_end, int top_width, int top_start, int top_end, int bottom_width, int bottom_start, int bottom_end)
 {
     Q_UNUSED(win)
     Q_UNUSED(left_width)
     Q_UNUSED(left_start)
     Q_UNUSED(left_end)
     Q_UNUSED(right_width)
     Q_UNUSED(right_start)
     Q_UNUSED(right_end)
     Q_UNUSED(top_width)
     Q_UNUSED(top_start)
     Q_UNUSED(top_end)
     Q_UNUSED(bottom_width)
     Q_UNUSED(bottom_start)
     Q_UNUSED(bottom_end)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support window struts";
 }
 
 void WindowSystem::setStrut(WId win, int left, int right, int top, int bottom)
 {
     Q_UNUSED(win)
     Q_UNUSED(left)
     Q_UNUSED(right)
     Q_UNUSED(top)
     Q_UNUSED(bottom)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support window struts";
 }
 
 void WindowSystem::setIcons(WId win, const QPixmap &icon, const QPixmap &miniIcon)
 {
     Q_UNUSED(win)
     Q_UNUSED(icon)
     Q_UNUSED(miniIcon)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting window icons";
 }
 
 void WindowSystem::setOnActivities(WId win, const QStringList &activities)
 {
     Q_UNUSED(win)
     Q_UNUSED(activities)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support activities";
 }
 
 void WindowSystem::setOnAllDesktops(WId win, bool b)
 {
     Q_UNUSED(win)
     Q_UNUSED(b)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting window on all desktops";
 }
 
 void WindowSystem::setOnDesktop(WId win, int desktop)
 {
     if (PlasmaWindow *w = window(win)) {
         w->requestVirtualDesktop(desktop - 1);
     }
 }
 
 void WindowSystem::setShowingDesktop(bool showing)
 {
     if (!WaylandIntegration::self()->plasmaWindowManagement()) {
         return;
     }
     WaylandIntegration::self()->plasmaWindowManagement()->setShowingDesktop(showing);
 }
 
 void WindowSystem::clearState(WId win, NET::States state)
 {
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
 
     KWayland::Client::PlasmaShellSurface *plasmaShellSurface = nullptr;
 
     if (state & NET::SkipTaskbar) {
         if (!WaylandIntegration::self()->waylandPlasmaShell()) {
             return;
         }
         plasmaShellSurface = PlasmaShellSurface::get(s);
         if (!plasmaShellSurface) {
             plasmaShellSurface = WaylandIntegration::self()->waylandPlasmaShell()->createSurface(s, this);
         }
         if (!plasmaShellSurface) {
             return;
         }
     }
 
     if (state & NET::SkipTaskbar) {
         plasmaShellSurface->setSkipTaskbar(false);
     }
 
     if (state & NET::Max) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Max window state";
     }
     if (state & NET::FullScreen) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing FullScreen window state";
     }
     if (state & NET::Modal) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Modal window state";
     }
     if (state & NET::Sticky) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Sticky window state";
     }
     if (state & NET::Shaded) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Shaded window state";
     }
     if (state & NET::KeepAbove) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepAbove window state";
     }
     if (state & NET::SkipPager) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing SkipPager window state";
     }
     if (state & NET::Hidden) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Hidden window state";
     }
     if (state & NET::KeepBelow) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepBelow window state";
     }
     if (state & NET::DemandsAttention) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing DemandsAttention window state";
     }
 }
 
 void WindowSystem::setState(WId win, NET::States state)
 {
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
 
     KWayland::Client::PlasmaShellSurface *plasmaShellSurface = nullptr;
 
     if (state & NET::SkipTaskbar) {
         if (!WaylandIntegration::self()->waylandPlasmaShell()) {
             return;
         }
         plasmaShellSurface = PlasmaShellSurface::get(s);
         if (!plasmaShellSurface) {
             plasmaShellSurface = WaylandIntegration::self()->waylandPlasmaShell()->createSurface(s, this);
         }
         if (!plasmaShellSurface) {
             return;
         }
     }
 
     if (state & NET::SkipTaskbar) {
         plasmaShellSurface->setSkipTaskbar(true);
     }
 
     if (state & NET::Max) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Max window state";
     }
     if (state & NET::FullScreen) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing FullScreen window state";
     }
     if (state & NET::Modal) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Modal window state";
     }
     if (state & NET::Sticky) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Sticky window state";
     }
     if (state & NET::Shaded) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Shaded window state";
     }
     if (state & NET::KeepAbove) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepAbove window state";
     }
     if (state & NET::SkipPager) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing SkipPager window state";
     }
     if (state & NET::Hidden) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing Hidden window state";
     }
     if (state & NET::KeepBelow) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing KeepBelow window state";
     }
     if (state & NET::DemandsAttention) {
         qCDebug(KWAYLAND_KWS) << "This plugin does not support changing DemandsAttention window state";
     }
 }
 
 void WindowSystem::setType(WId win, NET::WindowType windowType)
 {
     if (!WaylandIntegration::self()->waylandPlasmaShell()) {
         return;
     }
     KWayland::Client::PlasmaShellSurface::Role role;
 
     switch (windowType) {
     case NET::Normal:
         role = KWayland::Client::PlasmaShellSurface::Role::Normal;
         break;
     case NET::Desktop:
         role = KWayland::Client::PlasmaShellSurface::Role::Desktop;
         break;
     case NET::Dock:
         role = KWayland::Client::PlasmaShellSurface::Role::Panel;
         break;
     case NET::OnScreenDisplay:
         role = KWayland::Client::PlasmaShellSurface::Role::OnScreenDisplay;
         break;
     case NET::Notification:
         role = KWayland::Client::PlasmaShellSurface::Role::Notification;
         break;
     case NET::Tooltip:
         role = KWayland::Client::PlasmaShellSurface::Role::ToolTip;
         break;
     case NET::CriticalNotification:
         role = KWayland::Client::PlasmaShellSurface::Role::CriticalNotification;
         break;
     default:
         return;
     }
     Surface *s = Surface::fromQtWinId(win);
     if (!s) {
         return;
     }
     KWayland::Client::PlasmaShellSurface *shellSurface = WaylandIntegration::self()->waylandPlasmaShell()->createSurface(s, this);
 
     shellSurface->setRole(role);
 }
 
 void WindowSystem::setUserTime(WId win, long int time)
 {
     Q_UNUSED(win)
     Q_UNUSED(time)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support setting user type";
 }
 
 bool WindowSystem::showingDesktop()
 {
     if (!WaylandIntegration::self()->plasmaWindowManagement()) {
         return false;
     }
     return WaylandIntegration::self()->plasmaWindowManagement()->isShowingDesktop();
 }
 
 QList< WId > WindowSystem::stackingOrder()
 {
     if (!WaylandIntegration::self()->plasmaWindowManagement()) {
         return QList<WId>();
     }
 
     const auto &windows = WaylandIntegration::self()->plasmaWindowManagement()->windows();
     QList<WId> ret;
     for (auto w : windows) {
         ret << w->internalId();
     }
     return ret;
 }
 
+#if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 0)
 WId WindowSystem::transientFor(WId window)
 {
     Q_UNUSED(window)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support transient for windows";
     return 0;
 }
+#endif
 
 int WindowSystem::viewportToDesktop(const QPoint &pos)
 {
     Q_UNUSED(pos)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewports";
     return 0;
 }
 
 int WindowSystem::viewportWindowToDesktop(const QRect &r)
 {
     Q_UNUSED(r)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support viewports";
     return 0;
 }
 
 QList< WId > WindowSystem::windows()
 {
     return stackingOrder();
 }
 
 QRect WindowSystem::workArea(const QList< WId > &excludes, int desktop)
 {
     Q_UNUSED(excludes)
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support work area";
     return QRect();
 }
 
 QRect WindowSystem::workArea(int desktop)
 {
     Q_UNUSED(desktop)
     qCDebug(KWAYLAND_KWS) << "This plugin does not support work area";
     return QRect();
 }
diff --git a/src/windowsystem/windowsystem.h b/src/windowsystem/windowsystem.h
index c47f23d..f38c75e 100644
--- a/src/windowsystem/windowsystem.h
+++ b/src/windowsystem/windowsystem.h
@@ -1,99 +1,108 @@
 /*
  * Copyright 2015 Martin Gräßlin <mgraesslin@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) version 3, or any
  * later version accepted by the membership of KDE e.V. (or its
  * successor approved by the membership of KDE e.V.), which shall
  * act as a proxy defined in Section 6 of version 3 of the license.
  *
  * This library 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifndef WINDOWSYSTEM_H
 #define WINDOWSYSTEM_H
 
 #include <KWindowSystem/private/kwindowsystem_p.h>
 
 #include <QObject>
 
 namespace KWayland
 {
 namespace Client
 {
 class PlasmaWindow;
 class PlasmaWindowManagement;
 class PlasmaShell;
 }
 }
 
+// Compat with KF < 5.64
+#ifndef KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE
+#ifndef KWINDOWSYSTEM_NO_DEPRECATED
+#define KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(x, y) 1
+#else
+#define KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(x, y) 0
+#endif
+#endif
+
 class WindowSystem : public QObject, public KWindowSystemPrivate
 {
     Q_OBJECT
 public:
     WindowSystem();
     QList<WId> windows() override;
     QList<WId> stackingOrder() override;
     WId activeWindow() override;
     void activateWindow(WId win, long time) override;
     void forceActiveWindow(WId win, long time) override;
     void demandAttention(WId win, bool set) override;
     bool compositingActive() override;
     int currentDesktop() override;
     int numberOfDesktops() override;
     void setCurrentDesktop(int desktop) override;
     void setOnAllDesktops(WId win, bool b) override;
     void setOnDesktop(WId win, int desktop) override;
     void setOnActivities(WId win, const QStringList &activities) override;
-#ifndef KWINDOWSYSTEM_NO_DEPRECATED
+#if KWINDOWSYSTEM_BUILD_DEPRECATED_SINCE(5, 0)
     WId transientFor(WId window) override;
     WId groupLeader(WId window) override;
 #endif
     QPixmap icon(WId win, int width, int height, bool scale, int flags) override;
     void setIcons(WId win, const QPixmap &icon, const QPixmap &miniIcon) override;
     void setType(WId win, NET::WindowType windowType) override;
     void setState(WId win, NET::States state) override;
     void clearState(WId win, NET::States state) override;
     void minimizeWindow(WId win) override;
     void unminimizeWindow(WId win) override;
     void raiseWindow(WId win) override;
     void lowerWindow(WId win) override;
     bool icccmCompliantMappingState() override;
     QRect workArea(int desktop) override;
     QRect workArea(const QList<WId> &excludes, int desktop) override;
     QString desktopName(int desktop) override;
     void setDesktopName(int desktop, const QString &name) override;
     bool showingDesktop() override;
     void setShowingDesktop(bool showing) override;
     void setUserTime(WId win, long time) override;
     void setExtendedStrut(WId win, int left_width, int left_start, int left_end,
                           int right_width, int right_start, int right_end, int top_width, int top_start, int top_end,
                           int bottom_width, int bottom_start, int bottom_end) override;
     void setStrut(WId win, int left, int right, int top, int bottom) override;
     bool allowedActionsSupported() override;
     QString readNameProperty(WId window, unsigned long atom) override;
     void allowExternalProcessWindowActivation(int pid) override;
     void setBlockingCompositing(WId window, bool active) override;
     bool mapViewport() override;
     int viewportToDesktop(const QPoint &pos) override;
     int viewportWindowToDesktop(const QRect &r) override;
     QPoint desktopToViewport(int desktop, bool absolute) override;
     QPoint constrainViewportRelativePosition(const QPoint &pos) override;
 
     void connectNotify(const QMetaMethod &signal) override;
 
 private:
     void setupKWaylandIntegration();
     KWayland::Client::PlasmaWindow *window(WId window) const;
 
     KWayland::Client::PlasmaShell *m_waylandPlasmaShell = nullptr;
 };
 
 #endif