diff --git a/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp b/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
index 20b094b7528..186846973de 100644
--- a/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
+++ b/tests/auto/widgets/graphicsview/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
@@ -2940,7 +2940,7 @@ void tst_QGraphicsGridLayout::styleInfoLeak()
 
 void tst_QGraphicsGridLayout::task236367_maxSizeHint()
 {
-    QGraphicsWidget *widget = new QGraphicsWidget;
+    const auto widget = std::make_unique<QGraphicsWidget>();
     QGraphicsGridLayout *layout = new QGraphicsGridLayout;
     widget->setLayout(layout);
     layout->setContentsMargins(0, 0, 0, 0);
@@ -3045,7 +3045,7 @@ void tst_QGraphicsGridLayout::heightForWidth()
 
 void tst_QGraphicsGridLayout::widthForHeight()
 {
-    QGraphicsWidget *widget = new QGraphicsWidget;
+    const auto widget = std::make_unique<QGraphicsWidget>();
     QGraphicsGridLayout *layout = new QGraphicsGridLayout;
     widget->setLayout(layout);
     layout->setContentsMargins(0, 0, 0, 0);
@@ -3122,7 +3122,7 @@ void tst_QGraphicsGridLayout::widthForHeight()
 
 void tst_QGraphicsGridLayout::heightForWidthWithSpanning()
 {
-    QGraphicsWidget *widget = new QGraphicsWidget;
+    const auto widget = std::make_unique<QGraphicsWidget>();
     QGraphicsGridLayout *layout = new QGraphicsGridLayout;
     widget->setLayout(layout);
     layout->setContentsMargins(0, 0, 0, 0);