6 files changed, 13 insertions, 7 deletions
diff --git a/src/widgets/graphicsview/qgraphicsitem.h b/src/widgets/graphicsview/qgraphicsitem.h
index c228e765d8..729176530d 100644
--- a/src/widgets/graphicsview/qgraphicsitem.h
+++ b/src/widgets/graphicsview/qgraphicsitem.h
@@ -487,7 +487,9 @@ private:
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsItem::GraphicsItemFlags)
+#ifndef Q_CLANG_QDOC
 Q_DECLARE_INTERFACE(QGraphicsItem, "org.qt-project.Qt.QGraphicsItem")
+#endif
 
 inline void QGraphicsItem::setPos(qreal ax, qreal ay)
 { setPos(QPointF(ax, ay)); }
diff --git a/src/widgets/graphicsview/qgraphicslayout.h b/src/widgets/graphicsview/qgraphicslayout.h
index 28b335ceaa..efcafa5e6a 100644
--- a/src/widgets/graphicsview/qgraphicslayout.h
+++ b/src/widgets/graphicsview/qgraphicslayout.h
@@ -83,7 +83,9 @@ private:
     friend class QGraphicsWidget;
 };
 
+#ifndef Q_CLANG_QDOC
 Q_DECLARE_INTERFACE(QGraphicsLayout, "org.qt-project.Qt.QGraphicsLayout")
+#endif
 
 QT_END_NAMESPACE
 
diff --git a/src/widgets/graphicsview/qgraphicslayoutitem.h b/src/widgets/graphicsview/qgraphicslayoutitem.h
index 44f430034b..86a0a87361 100644
--- a/src/widgets/graphicsview/qgraphicslayoutitem.h
+++ b/src/widgets/graphicsview/qgraphicslayoutitem.h
@@ -116,7 +116,9 @@ private:
     friend class QGraphicsLayout;
 };
 
+#ifndef Q_CLANG_QDOC
 Q_DECLARE_INTERFACE(QGraphicsLayoutItem, "org.qt-project.Qt.QGraphicsLayoutItem")
+#endif
 
 inline void QGraphicsLayoutItem::setMinimumSize(qreal aw, qreal ah)
 { setMinimumSize(QSizeF(aw, ah)); }
diff --git a/src/widgets/graphicsview/qgraphicslayoutstyleinfo.cpp b/src/widgets/graphicsview/qgraphicslayoutstyleinfo.cpp
index af969b346d..da2510a8cb 100644
--- a/src/widgets/graphicsview/qgraphicslayoutstyleinfo.cpp
+++ b/src/widgets/graphicsview/qgraphicslayoutstyleinfo.cpp
@@ -50,15 +50,13 @@ QT_BEGIN_NAMESPACE
 QGraphicsLayoutStyleInfo::QGraphicsLayoutStyleInfo(const QGraphicsLayoutPrivate *layout)
     : m_layout(layout), m_style(0)
 {
-    m_widget = new QWidget; // pixelMetric might need a widget ptr
-    if (m_widget)
-        m_styleOption.initFrom(m_widget);
+    m_widget.reset(new QWidget); // pixelMetric might need a widget ptr
+    m_styleOption.initFrom(m_widget.get());
     m_isWindow = m_styleOption.state & QStyle::State_Window;
 }
 
 QGraphicsLayoutStyleInfo::~QGraphicsLayoutStyleInfo()
 {
-    delete m_widget;
 }
 
 qreal QGraphicsLayoutStyleInfo::combinedLayoutSpacing(QLayoutPolicy::ControlTypes controls1,
@@ -93,7 +91,7 @@ qreal QGraphicsLayoutStyleInfo::windowMargin(Qt::Orientation orientation) const
                                 const_cast<QStyleOption*>(&m_styleOption), widget());
 }
 
-QWidget *QGraphicsLayoutStyleInfo::widget() const { return m_widget; }
+QWidget *QGraphicsLayoutStyleInfo::widget() const { return m_widget.get(); }
 
 QStyle *QGraphicsLayoutStyleInfo::style() const
 {
diff --git a/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h b/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h
index 7886de432c..c3af9f4554 100644
--- a/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h
+++ b/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h
@@ -54,6 +54,8 @@
 #include <QtGui/private/qabstractlayoutstyleinfo_p.h>
 #include <QtWidgets/qstyleoption.h>
 
+#include <memory>
+
 QT_REQUIRE_CONFIG(graphicsview);
 
 QT_BEGIN_NAMESPACE
@@ -93,7 +95,7 @@ private:
     const QGraphicsLayoutPrivate *m_layout;
     mutable QStyle *m_style;
     QStyleOption m_styleOption;
-    QWidget *m_widget;
+    std::unique_ptr<QWidget> m_widget;
 };
 
 QT_END_NAMESPACE
diff --git a/src/widgets/graphicsview/qgraphicssceneindex_p.h b/src/widgets/graphicsview/qgraphicssceneindex_p.h
index bdc57bd9ea..c86df0e209 100644
--- a/src/widgets/graphicsview/qgraphicssceneindex_p.h
+++ b/src/widgets/graphicsview/qgraphicssceneindex_p.h
@@ -151,7 +151,7 @@ inline void QGraphicsSceneIndexPrivate::items_helper(const QRectF &rect, QGraphi
     if (order == Qt::DescendingOrder) {
         const int n = items->size();
         for (int i = 0; i < n / 2; ++i)
-            items->swap(i, n - i - 1);
+            items->swapItemsAt(i, n - i - 1);
     }
 }