diff --git a/tabletmodemanager.cpp b/tabletmodemanager.cpp
index c15f8ae03..b16aba548 100644
--- a/tabletmodemanager.cpp
+++ b/tabletmodemanager.cpp
@@ -1,103 +1,98 @@
 /*
  * Copyright 2018 Marco Martin <mart@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) 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 14 of version 3 of the license.
  *
  * 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/>.
  *
  */
 
 #include "tabletmodemanager.h"
 #include "input.h"
 #include "input_event.h"
 #include "input_event_spy.h"
 
 #if HAVE_INPUT
 #include "libinput/device.h"
 #endif
 
 #include <QDBusConnection>
 
 using namespace KWin;
 
 KWIN_SINGLETON_FACTORY_VARIABLE(TabletModeManager, s_manager)
 
 class KWin::TabletModeInputEventSpy : public InputEventSpy
 {
 public:
     explicit TabletModeInputEventSpy(TabletModeManager *parent);
 
     void switchEvent(SwitchEvent *event) override;
 private:
     TabletModeManager *m_parent;
 };
 
 TabletModeInputEventSpy::TabletModeInputEventSpy(TabletModeManager *parent)
     : m_parent(parent)
 {
 }
 
 void TabletModeInputEventSpy::switchEvent(SwitchEvent *event)
 {
     if (!event->device()->isTabletModeSwitch()) {
         return;
     }
 
     switch (event->state()) {
     case SwitchEvent::State::Off:
         m_parent->setIsTablet(false);
         break;
     case SwitchEvent::State::On:
         m_parent->setIsTablet(true);
         break;
     default:
         Q_UNREACHABLE();
     }
 }
 
 
 
 TabletModeManager::TabletModeManager(QObject *parent)
     : QObject(parent),
       m_spy(new TabletModeInputEventSpy(this))
 {
     input()->installInputEventSpy(m_spy);
 
     QDBusConnection::sessionBus().registerObject(QStringLiteral("/org/kde/KWin"),
                                                  QStringLiteral("org.kde.KWin.TabletModeManager"),
                                                  this,
                                                  QDBusConnection::ExportAllProperties | QDBusConnection::ExportAllSignals
     );
 }
 
-TabletModeManager::~TabletModeManager()
-{
-    delete m_spy;
-}
-
 bool TabletModeManager::isTablet() const
 {
     return m_isTabletMode;
 }
 
 void TabletModeManager::setIsTablet(bool tablet)
 {
     if (m_isTabletMode == tablet) {
         return;
     }
 
     m_isTabletMode = tablet;
     emit tabletModeChanged(tablet);
 }
diff --git a/tabletmodemanager.h b/tabletmodemanager.h
index 599bf827e..afabc9ad7 100644
--- a/tabletmodemanager.h
+++ b/tabletmodemanager.h
@@ -1,53 +1,53 @@
 /*
  * Copyright 2018 Marco Martin <mart@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) 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 14 of version 3 of the license.
  *
  * 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_TABLETMODEMANAGER_H
 #define KWIN_TABLETMODEMANAGER_H
 
 #include <QObject>
 #include <kwinglobals.h>
 
 namespace KWin {
 
 class TabletModeInputEventSpy;
 
 class TabletModeManager : public QObject
 {
     Q_OBJECT
     Q_CLASSINFO("D-Bus Interface", "org.kde.KWin.TabletModeManager")
     Q_PROPERTY(bool tabletMode READ isTablet NOTIFY tabletModeChanged)
 
 public:
-    ~TabletModeManager();
+    ~TabletModeManager() = default;
     bool isTablet() const;
     void setIsTablet(bool tablet);
 
 Q_SIGNALS:
     void tabletModeChanged(bool tabletMode);
 
 private:
     bool m_isTabletMode = false;
     TabletModeInputEventSpy *m_spy;
     KWIN_SINGLETON_VARIABLE(TabletModeManager, s_manager)
 };
 }
 
 #endif // KWIN_TABLETMODEMANAGER_H