1 files changed, 3 insertions, 3 deletions
diff --git a/examples/widgets/itemviews/simpletreemodel/treemodel.cpp b/examples/widgets/itemviews/simpletreemodel/treemodel.cpp
index 9a605f8e35..363aa0593a 100644
--- a/examples/widgets/itemviews/simpletreemodel/treemodel.cpp
+++ b/examples/widgets/itemviews/simpletreemodel/treemodel.cpp
@@ -45,11 +45,11 @@
     models.
 */
 
-#include <QtWidgets>
-
 #include "treeitem.h"
 #include "treemodel.h"
 
+#include <QStringList>
+
 //! [0]
 TreeModel::TreeModel(const QString &data, QObject *parent)
     : QAbstractItemModel(parent)
@@ -213,6 +213,6 @@ void TreeModel::setupModelData(const QStringList &lines, TreeItem *parent)
             parents.last()->appendChild(new TreeItem(columnData, parents.last()));
         }
 
-        number++;
+        ++number;
     }
 }