diff --git a/src/plugins/scxmleditor/common/navigator.cpp b/src/plugins/scxmleditor/common/navigator.cpp
index c6fa76169b1..f9dc6095c3c 100644
--- a/src/plugins/scxmleditor/common/navigator.cpp
+++ b/src/plugins/scxmleditor/common/navigator.cpp
@@ -53,13 +53,13 @@ void Navigator::setCurrentView(GraphicsView *view)
     m_currentView = view;
 
     if (m_currentView) {
-        connect(m_currentView, &GraphicsView::viewChanged, m_ui.m_navigatorView, &NavigatorGraphicsView::setMainViewPolygon);
-        connect(m_currentView, &GraphicsView::zoomPercentChanged, m_ui.m_navigatorSlider, &NavigatorSlider::setSliderValue);
+        connect(m_currentView.data(), &GraphicsView::viewChanged, m_ui.m_navigatorView, &NavigatorGraphicsView::setMainViewPolygon);
+        connect(m_currentView.data(), &GraphicsView::zoomPercentChanged, m_ui.m_navigatorSlider, &NavigatorSlider::setSliderValue);
 
-        connect(m_ui.m_navigatorSlider, &NavigatorSlider::valueChanged, m_currentView, &GraphicsView::zoomTo);
-        connect(m_ui.m_navigatorView, &NavigatorGraphicsView::moveMainViewTo, m_currentView, &GraphicsView::moveToPoint);
-        connect(m_ui.m_navigatorView, &NavigatorGraphicsView::zoomIn, m_currentView, &GraphicsView::zoomIn);
-        connect(m_ui.m_navigatorView, &NavigatorGraphicsView::zoomOut, m_currentView, &GraphicsView::zoomOut);
+        connect(m_ui.m_navigatorSlider, &NavigatorSlider::valueChanged, m_currentView.data(), &GraphicsView::zoomTo);
+        connect(m_ui.m_navigatorView, &NavigatorGraphicsView::moveMainViewTo, m_currentView.data(), &GraphicsView::moveToPoint);
+        connect(m_ui.m_navigatorView, &NavigatorGraphicsView::zoomIn, m_currentView.data(), &GraphicsView::zoomIn);
+        connect(m_ui.m_navigatorView, &NavigatorGraphicsView::zoomOut, m_currentView.data(), &GraphicsView::zoomOut);
     }
 }
 
diff --git a/src/plugins/scxmleditor/common/search.cpp b/src/plugins/scxmleditor/common/search.cpp
index 37273a8ef9e..52178b1e960 100644
--- a/src/plugins/scxmleditor/common/search.cpp
+++ b/src/plugins/scxmleditor/common/search.cpp
@@ -75,7 +75,7 @@ void Search::setDocument(ScxmlDocument *document)
 void Search::setGraphicsScene(GraphicsScene *scene)
 {
     m_scene = scene;
-    connect(m_ui.m_searchView, &ScxmlEditor::OutputPane::TableView::mouseExited, m_scene, &GraphicsScene::unhighlightAll);
+    connect(m_ui.m_searchView, &ScxmlEditor::OutputPane::TableView::mouseExited, m_scene.data(), &GraphicsScene::unhighlightAll);
 }
 
 void Search::rowEntered(const QModelIndex &index)
diff --git a/src/plugins/scxmleditor/common/shapestoolbox.cpp b/src/plugins/scxmleditor/common/shapestoolbox.cpp
index a9489c44c15..632cdd7371e 100644
--- a/src/plugins/scxmleditor/common/shapestoolbox.cpp
+++ b/src/plugins/scxmleditor/common/shapestoolbox.cpp
@@ -49,7 +49,7 @@ void ShapesToolbox::setUIFactory(ScxmlEditor::PluginInterface::ScxmlUiFactory *f
     QTC_ASSERT(factory, return);
 
     m_shapeProvider = static_cast<PluginInterface::ShapeProvider*>(factory->object("shapeProvider"));
-    connect(m_shapeProvider, &PluginInterface::ShapeProvider::changed, this, &ShapesToolbox::initView);
+    connect(m_shapeProvider.data(), &PluginInterface::ShapeProvider::changed, this, &ShapesToolbox::initView);
     initView();
 }
 
diff --git a/src/plugins/scxmleditor/common/structuremodel.cpp b/src/plugins/scxmleditor/common/structuremodel.cpp
index f1fd35c945f..a0ee760547a 100644
--- a/src/plugins/scxmleditor/common/structuremodel.cpp
+++ b/src/plugins/scxmleditor/common/structuremodel.cpp
@@ -50,8 +50,8 @@ void StructureModel::setDocument(ScxmlDocument *document)
 
     m_document = document;
     if (m_document) {
-        connect(m_document, &ScxmlDocument::beginTagChange, this, &StructureModel::beginTagChange);
-        connect(m_document, &ScxmlDocument::endTagChange, this, &StructureModel::endTagChange);
+        connect(m_document.data(), &ScxmlDocument::beginTagChange, this, &StructureModel::beginTagChange);
+        connect(m_document.data(), &ScxmlDocument::endTagChange, this, &StructureModel::endTagChange);
     }
     endResetModel();
 }
diff --git a/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp b/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp
index c3f95cd4ea9..4e531934587 100644
--- a/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp
+++ b/src/plugins/scxmleditor/plugin_interface/graphicsscene.cpp
@@ -313,8 +313,8 @@ void GraphicsScene::setDocument(ScxmlDocument *document)
 void GraphicsScene::connectDocument()
 {
     if (m_document) {
-        connect(m_document, &ScxmlDocument::beginTagChange, this, &GraphicsScene::beginTagChange);
-        connect(m_document, &ScxmlDocument::endTagChange, this, &GraphicsScene::endTagChange);
+        connect(m_document.data(), &ScxmlDocument::beginTagChange, this, &GraphicsScene::beginTagChange);
+        connect(m_document.data(), &ScxmlDocument::endTagChange, this, &GraphicsScene::endTagChange);
     }
 }
 
diff --git a/src/plugins/scxmleditor/plugin_interface/warningitem.cpp b/src/plugins/scxmleditor/plugin_interface/warningitem.cpp
index 8ac3dc03707..12c0bef5940 100644
--- a/src/plugins/scxmleditor/plugin_interface/warningitem.cpp
+++ b/src/plugins/scxmleditor/plugin_interface/warningitem.cpp
@@ -44,7 +44,7 @@ WarningItem::WarningItem(QGraphicsItem *parent)
     if (sc) {
         sc->addWarningItem(this);
         m_warningModel = sc->warningModel();
-        connect(m_warningModel, &OutputPane::WarningModel::modelCleared, this, &WarningItem::check);
+        connect(m_warningModel.data(), &OutputPane::WarningModel::modelCleared, this, &WarningItem::check);
     }
     setWarningActive(false);
 }
@@ -82,7 +82,7 @@ QVariant WarningItem::itemChange(GraphicsItemChange change, const QVariant &valu
         if (sc) {
             sc->addWarningItem(this);
             m_warningModel = sc->warningModel();
-            connect(m_warningModel, &OutputPane::WarningModel::modelCleared, this, &WarningItem::check);
+            connect(m_warningModel.data(), &OutputPane::WarningModel::modelCleared, this, &WarningItem::check);
         }
         break;
     }
@@ -141,7 +141,7 @@ void WarningItem::setWarningActive(bool active)
 {
     if (active && !m_warning && m_warningModel) {
         m_warning = m_warningModel->createWarning(m_severity, m_typeName, m_reason, m_description);
-        connect(m_warning, &OutputPane::Warning::dataChanged, this, &WarningItem::checkVisibility);
+        connect(m_warning.data(), &OutputPane::Warning::dataChanged, this, &WarningItem::checkVisibility);
     } else if (!active && m_warning) {
         m_warning->deleteLater();
         m_warning = nullptr;
diff --git a/src/plugins/scxmleditor/scxmleditordocument.cpp b/src/plugins/scxmleditor/scxmleditordocument.cpp
index 7a496dc3339..d7c09b9e883 100644
--- a/src/plugins/scxmleditor/scxmleditordocument.cpp
+++ b/src/plugins/scxmleditor/scxmleditordocument.cpp
@@ -52,7 +52,7 @@ ScxmlEditorDocument::ScxmlEditorDocument(MainWidget *designWidget, QObject *pare
 
     // Designer needs UTF-8 regardless of settings.
     setCodec(QTextCodec::codecForName("UTF-8"));
-    connect(m_designWidget, &Common::MainWidget::dirtyChanged, this, [this]{
+    connect(m_designWidget.data(), &Common::MainWidget::dirtyChanged, this, [this]{
         emit changed();
     });
 }