diff --git a/src/Gui/ExportMenu.cpp b/src/Gui/ExportMenu.cpp
--- a/src/Gui/ExportMenu.cpp
+++ b/src/Gui/ExportMenu.cpp
@@ -82,7 +82,7 @@
 
     Q_FOREACH (auto service, services) {
         QString name = service->name().replace(QLatin1Char('&'), QLatin1String("&&"));
-        QAction *action = new QAction(QIcon::fromTheme(service->icon()), name, nullptr);
+        QAction *action = new QAction(QIcon::fromTheme(service->icon()), name, this);
 
         connect(action, &QAction::triggered, [=]() {
             QList<QUrl> whereIs({ mExportManager->tempSave() });
diff --git a/src/Gui/KSMainWindow.cpp b/src/Gui/KSMainWindow.cpp
--- a/src/Gui/KSMainWindow.cpp
+++ b/src/Gui/KSMainWindow.cpp
@@ -59,8 +59,8 @@
     mClipboardButton(new QToolButton),
     mSaveButton(new QToolButton),
     mSaveMenu(new QMenu),
-    mSaveAsAction(new QAction(nullptr)),
-    mSaveAction(new QAction(nullptr)),
+    mSaveAsAction(new QAction(this)),
+    mSaveAction(new QAction(this)),
     mMessageWidget(new KMessageWidget),
     mToolsMenu(new QMenu),
     mScreenRecorderToolsMenu(new QMenu),
diff --git a/src/SpectacleCore.cpp b/src/SpectacleCore.cpp
--- a/src/SpectacleCore.cpp
+++ b/src/SpectacleCore.cpp
@@ -66,12 +66,12 @@
         mImageGrabber = new KWinWaylandImageGrabber;
     }
 #ifdef XCB_FOUND
-    if (!mImageGrabber && KWindowSystem::isPlatformX11()) {
+    else if (KWindowSystem::isPlatformX11()) {
         mImageGrabber = new X11ImageGrabber;
     }
 #endif
 
-    if (!mImageGrabber) {
+    else {
         mImageGrabber = new DummyImageGrabber;
     }
 
@@ -110,6 +110,7 @@
     if (mMainWindow) {
         delete mMainWindow;
     }
+    delete mImageGrabber;
 }
 
 // Q_PROPERTY stuff