diff --git a/kstyle/breezeshadowhelper.h b/kstyle/breezeshadowhelper.h
--- a/kstyle/breezeshadowhelper.h
+++ b/kstyle/breezeshadowhelper.h
@@ -24,6 +24,7 @@
 #include "config-breeze.h"
 
 #include <QObject>
+#include <QPointer>
 #include <QMap>
 #include <QMargins>
 
@@ -183,10 +184,10 @@
         QMap<QWidget*, KWayland::Client::Surface *> _widgetSurfaces;
 
         //* The Wayland shadow manager to create Shadows for Surfaces (QWindow)
-        KWayland::Client::ShadowManager* _shadowManager;
+        QPointer<KWayland::Client::ShadowManager> _shadowManager;
 
         //* The Wayland Shared memory pool to share the shadow pixmaps with compositor
-        KWayland::Client::ShmPool* _shmPool;
+        QPointer<KWayland::Client::ShmPool> _shmPool;
         #endif
 
     };
diff --git a/kstyle/breezeshadowhelper.cpp b/kstyle/breezeshadowhelper.cpp
--- a/kstyle/breezeshadowhelper.cpp
+++ b/kstyle/breezeshadowhelper.cpp
@@ -90,17 +90,17 @@
         if( !connection ) {
             return;
         }
-        auto registry = new Registry( this );
+        auto registry = new Registry( connection );
         registry->create( connection );
         connect(registry, &Registry::interfacesAnnounced, this,
             [registry, this] {
                 const auto interface = registry->interface( Registry::Interface::Shadow );
                 if( interface.name != 0 ) {
-                    _shadowManager = registry->createShadowManager( interface.name, interface.version, this );
+                    _shadowManager = registry->createShadowManager( interface.name, interface.version, registry );
                 }
                 const auto shmInterface = registry->interface( Registry::Interface::Shm );
                 if( shmInterface.name != 0 ) {
-                    _shmPool = registry->createShmPool( shmInterface.name, shmInterface.version, this );
+                    _shmPool = registry->createShmPool( shmInterface.name, shmInterface.version, registry );
                 }
             }
         );