diff --git a/examples/widgets/mainwindows/mainwindow/main.cpp b/examples/widgets/mainwindows/mainwindow/main.cpp
index 66aa99ee75b..a64d2f5843c 100644
--- a/examples/widgets/mainwindows/mainwindow/main.cpp
+++ b/examples/widgets/mainwindows/mainwindow/main.cpp
@@ -95,7 +95,7 @@ static ParseCommandLineArgumentsResult
     parseCustomSizeHints(const QStringList &arguments, MainWindow::CustomSizeHintMap *result)
 {
     result->clear();
-    const int argumentCount = arguments.size();
+    const auto argumentCount = arguments.size();
     for (int i = 1; i < argumentCount; ++i) {
         const QString &arg = arguments.at(i);
         if (arg.startsWith(QLatin1String("-SizeHint"))) {
@@ -105,7 +105,7 @@ static ParseCommandLineArgumentsResult
             if (++i == argumentCount)
                 return CommandLineArgumentsError;
             const QStringView sizeStr{ arguments.at(i) };
-            const int idx = sizeStr.indexOf(QLatin1Char('x'));
+            const auto idx = sizeStr.indexOf(QLatin1Char('x'));
             if (idx == -1)
                 return CommandLineArgumentsError;
             bool ok;
diff --git a/examples/widgets/mainwindows/mainwindow/mainwindow.cpp b/examples/widgets/mainwindows/mainwindow/mainwindow.cpp
index 7af5914e1f1..2f989ab97c8 100644
--- a/examples/widgets/mainwindows/mainwindow/mainwindow.cpp
+++ b/examples/widgets/mainwindows/mainwindow/mainwindow.cpp
@@ -429,7 +429,7 @@ void MainWindow::createDockWidget()
 
 void MainWindow::destroyDockWidget(QAction *action)
 {
-    int index = destroyDockWidgetMenu->actions().indexOf(action);
+    auto index = destroyDockWidgetMenu->actions().indexOf(action);
     delete extraDockWidgets.takeAt(index);
     destroyDockWidgetMenu->removeAction(action);
     action->deleteLater();