diff --git a/lib/src/app.dart b/lib/src/app.dart
index b02bc9b..1734635 100644
--- a/lib/src/app.dart
+++ b/lib/src/app.dart
@@ -15,7 +15,7 @@ import 'model/app_settings.dart';
 import 'pages/main_page.dart';
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   @override
   State<App> createState() => _AppState();
diff --git a/lib/src/pages/downloader.dart b/lib/src/pages/downloader.dart
index 9057c5e..adb1062 100644
--- a/lib/src/pages/downloader.dart
+++ b/lib/src/pages/downloader.dart
@@ -15,11 +15,11 @@ import '../widgets/downloader/download_progress_bar.dart';
 
 class Downloader extends StatefulWidget {
   const Downloader({
-    Key? key,
     required this.operatingSystem,
     required this.version,
     this.option,
-  }) : super(key: key);
+    super.key,
+  });
 
   final OperatingSystem operatingSystem;
   final Version version;
diff --git a/lib/src/pages/downloader_page.dart b/lib/src/pages/downloader_page.dart
index fd66b5f..20fc2bc 100644
--- a/lib/src/pages/downloader_page.dart
+++ b/lib/src/pages/downloader_page.dart
@@ -5,7 +5,7 @@ import '../widgets/home_page/downloader_menu.dart';
 import '../widgets/home_page/logo.dart';
 
 class DownloaderPage extends StatelessWidget {
-  const DownloaderPage({Key? key}) : super(key: key);
+  const DownloaderPage({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/src/pages/main_page.dart b/lib/src/pages/main_page.dart
index bc15d9c..8ed0313 100644
--- a/lib/src/pages/main_page.dart
+++ b/lib/src/pages/main_page.dart
@@ -7,7 +7,7 @@ import '../widgets/home_page/main_menu.dart';
 import '../widgets/left_menu.dart';
 
 class MainPage extends StatefulWidget {
-  const MainPage({Key? key}) : super(key: key);
+  const MainPage({super.key});
 
   @override
   State<MainPage> createState() => _MainPageState();
diff --git a/lib/src/pages/manager.dart b/lib/src/pages/manager.dart
index ce9dd51..5f9a2a5 100644
--- a/lib/src/pages/manager.dart
+++ b/lib/src/pages/manager.dart
@@ -19,7 +19,7 @@ import '../model/osicons.dart';
 /// Displays a list of available VMs, running state and connection info,
 /// with buttons to start and stop VMs.
 class Manager extends StatefulWidget {
-  const Manager({Key? key}) : super(key: key);
+  const Manager({super.key});
 
   @override
   State<Manager> createState() => _ManagerState();
diff --git a/lib/src/pages/operating_system_selection.dart b/lib/src/pages/operating_system_selection.dart
index 2645a87..640593b 100644
--- a/lib/src/pages/operating_system_selection.dart
+++ b/lib/src/pages/operating_system_selection.dart
@@ -6,7 +6,7 @@ import '../model/operating_system.dart';
 import '../model/osicons.dart';
 
 class OperatingSystemSelection extends StatefulWidget {
-  const OperatingSystemSelection({Key? key}) : super(key: key);
+  const OperatingSystemSelection({super.key});
 
   @override
   State<OperatingSystemSelection> createState() =>
diff --git a/lib/src/pages/option_selection.dart b/lib/src/pages/option_selection.dart
index 67128d2..819bdc3 100644
--- a/lib/src/pages/option_selection.dart
+++ b/lib/src/pages/option_selection.dart
@@ -4,7 +4,7 @@ import 'package:gettext_i18n/gettext_i18n.dart';
 import '../model/version.dart';
 
 class OptionSelection extends StatefulWidget {
-  const OptionSelection(this.version, {Key? key}) : super(key: key);
+  const OptionSelection(this.version, {super.key});
 
   final Version version;
 
diff --git a/lib/src/pages/version_selection.dart b/lib/src/pages/version_selection.dart
index b6b1818..226cc31 100644
--- a/lib/src/pages/version_selection.dart
+++ b/lib/src/pages/version_selection.dart
@@ -8,8 +8,7 @@ import '../model/version.dart';
 import 'option_selection.dart';
 
 class VersionSelection extends StatefulWidget {
-  const VersionSelection({Key? key, required this.operatingSystem})
-      : super(key: key);
+  const VersionSelection({required this.operatingSystem, super.key});
 
   final OperatingSystem operatingSystem;