2 files changed, 3 insertions, 4 deletions
diff --git a/src/widgets/graphicsview/qgraphicswidget_p.cpp b/src/widgets/graphicsview/qgraphicswidget_p.cpp
index cc08b1c566..fd47f444ea 100644
--- a/src/widgets/graphicsview/qgraphicswidget_p.cpp
+++ b/src/widgets/graphicsview/qgraphicswidget_p.cpp
@@ -110,8 +110,6 @@ QGraphicsWidgetPrivate::QGraphicsWidgetPrivate()
 
 QGraphicsWidgetPrivate::~QGraphicsWidgetPrivate()
 {
-    // Remove any lazily allocated data
-    delete windowData;
 }
 
 /*!
@@ -147,7 +145,7 @@ void QGraphicsWidgetPrivate::ensureWindowFrameMargins() const
 void QGraphicsWidgetPrivate::ensureWindowData()
 {
     if (!windowData)
-        windowData = new WindowData;
+        windowData = qt_make_unique<WindowData>();
 }
 
 void QGraphicsWidgetPrivate::setPalette_helper(const QPalette &palette)
diff --git a/src/widgets/graphicsview/qgraphicswidget_p.h b/src/widgets/graphicsview/qgraphicswidget_p.h
index 5e0fdb693b..e4cc2c3016 100644
--- a/src/widgets/graphicsview/qgraphicswidget_p.h
+++ b/src/widgets/graphicsview/qgraphicswidget_p.h
@@ -190,7 +190,8 @@ public:
             , buttonMouseOver(false)
             , buttonSunken(false)
         {}
-    } *windowData;
+    };
+    std::unique_ptr<WindowData> windowData;
     void ensureWindowData();
 
     bool setWindowFrameMargins;