diff --git a/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.cpp b/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.cpp
index e8086058385..e2a31cf5812 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.cpp
@@ -110,7 +110,7 @@ QVariant FontResourcesModel::modelNodeBackend()
 
 FontResourcesModel::FontResourcesModel(QObject *parent)
     : QObject{parent}
-    , m_resourceModel{new FileResourcesModel{this}}
+    , m_resourceModel{std::make_unique<FileResourcesModel>()}
 {
     m_resourceModel->setFilter(fontFilesFilterList().join(' '));
 }
diff --git a/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.h b/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.h
index d317ba284a5..3870cdef41f 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.h
+++ b/src/plugins/qmldesigner/components/propertyeditor/fontresourcesmodel.h
@@ -41,7 +41,7 @@ signals:
     void modelChanged();
 
 private:
-    FileResourcesModel *m_resourceModel;
+    std::unique_ptr<FileResourcesModel> m_resourceModel;
 };
 
 QML_DECLARE_TYPE(FontResourcesModel)