1 files changed, 4 insertions, 4 deletions
diff --git a/examples/widgets/itemviews/simpletreemodel/treeitem.h b/examples/widgets/itemviews/simpletreemodel/treeitem.h
index 8d0bb49627..390433597d 100644
--- a/examples/widgets/itemviews/simpletreemodel/treeitem.h
+++ b/examples/widgets/itemviews/simpletreemodel/treeitem.h
@@ -51,14 +51,14 @@
 #ifndef TREEITEM_H
 #define TREEITEM_H
 
-#include <QList>
 #include <QVariant>
+#include <QVector>
 
 //! [0]
 class TreeItem
 {
 public:
-    explicit TreeItem(const QList<QVariant> &data, TreeItem *parentItem = 0);
+    explicit TreeItem(const QVector<QVariant> &data, TreeItem *parentItem = nullptr);
     ~TreeItem();
 
     void appendChild(TreeItem *child);
@@ -71,8 +71,8 @@ public:
     TreeItem *parentItem();
 
 private:
-    QList<TreeItem*> m_childItems;
-    QList<QVariant> m_itemData;
+    QVector<TreeItem*> m_childItems;
+    QVector<QVariant> m_itemData;
     TreeItem *m_parentItem;
 };
 //! [0]