Index: src/kglobalaccel.cpp
===================================================================
--- src/kglobalaccel.cpp
+++ src/kglobalaccel.cpp
@@ -101,6 +101,14 @@
     return QStringLiteral("org.kde.kglobalaccel");
 }
 }
+void KGlobalAccelPrivate::cleanup()
+{
+    qDeleteAll(components);
+    delete m_iface;
+    m_iface = nullptr;
+    delete m_watcher;
+    m_watcher = nullptr;
+}
 
 KGlobalAccelPrivate::KGlobalAccelPrivate(KGlobalAccel *q)
     :
@@ -110,11 +118,11 @@
     q(q),
     m_iface(Q_NULLPTR)
 {
-    QDBusServiceWatcher *watcher = new QDBusServiceWatcher(serviceName(),
+    m_watcher = new QDBusServiceWatcher(serviceName(),
             QDBusConnection::sessionBus(),
             QDBusServiceWatcher::WatchForOwnerChange,
             q);
-    q->connect(watcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)),
+    q->connect(m_watcher, SIGNAL(serviceOwnerChanged(QString,QString,QString)),
                q, SLOT(_k_serviceOwnerChanged(QString,QString,QString)));
 }
 
@@ -204,11 +212,20 @@
 class KGlobalAccelSingleton
 {
 public:
+    KGlobalAccelSingleton();
+
     KGlobalAccel instance;
 };
 
 Q_GLOBAL_STATIC(KGlobalAccelSingleton, s_instance)
 
+KGlobalAccelSingleton::KGlobalAccelSingleton()
+{
+    qAddPostRoutine([]() {
+        s_instance->instance.d->cleanup();
+    });
+}
+
 KGlobalAccel *KGlobalAccel::self()
 {
     return &s_instance()->instance;
Index: src/kglobalaccel_p.h
===================================================================
--- src/kglobalaccel_p.h
+++ src/kglobalaccel_p.h
@@ -72,6 +72,8 @@
     QList<int> intListFromShortcut(const QList<QKeySequence> &cut);
     QList<QKeySequence> shortcutFromIntList(const QList<int> &list);
 
+    void cleanup();
+
     //private slot implementations
     void _k_invokeAction(const QString &, const QString &, qlonglong);
     void _k_shortcutGotChanged(const QStringList &, const QList<int> &);
@@ -100,6 +102,7 @@
 
 private:
     org::kde::KGlobalAccel *m_iface;
+    QDBusServiceWatcher *m_watcher;
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(KGlobalAccelPrivate::ShortcutTypes)