diff --git a/SampleApps/AvaloniaApp/MainWindow.axaml.cs b/SampleApps/AvaloniaApp/MainWindow.axaml.cs
index e351be37..d582398a 100644
--- a/SampleApps/AvaloniaApp/MainWindow.axaml.cs
+++ b/SampleApps/AvaloniaApp/MainWindow.axaml.cs
@@ -13,19 +13,15 @@ namespace SampleApplication
         static MainWindow()
         {
             //MapProjectionFactory.Instance = new MapControl.Projections.GeoApiProjectionFactory();
-
             //TileImageLoader.Cache = new MapControl.Caching.ImageFileCache(TileImageLoader.DefaultCacheFolder);
         }
 
         public MainWindow()
         {
             InitializeComponent();
-
-            AddMapTilerLayers();
             AddTestLayers();
         }
 
-        partial void AddMapTilerLayers();
         partial void AddTestLayers();
 
         private void MapItemsControlSelectionChanged(object sender, SelectionChangedEventArgs e)
diff --git a/SampleApps/Shared/MapTilerLayers.cs b/SampleApps/Shared/MapTilerLayers.cs
deleted file mode 100644
index 404e4641..00000000
--- a/SampleApps/Shared/MapTilerLayers.cs
+++ /dev/null
@@ -1,52 +0,0 @@
-using System;
-using System.IO;
-using MapControl;
-using MapControl.UiTools;
-#if WPF
-using System.Windows.Media;
-#elif WINUI
-using Microsoft.UI;
-using Microsoft.UI.Xaml.Media;
-#elif UWP
-using Windows.UI;
-using Windows.UI.Xaml.Media;
-#elif AVALONIA
-using Avalonia.Media;
-#endif
-
-namespace SampleApplication
-{
-#if UWP
-    public partial class MainPage
-#else
-    public partial class MainWindow
-#endif
-    {
-        partial void AddMapTilerLayers()
-        {
-#if UWP
-            var mapTilerApiKeyPath = "MapTilerApiKey.txt";
-#else
-            var mapTilerApiKeyPath = Path.Combine(
-                Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "MapControl", "MapTilerApiKey.txt");
-#endif
-            if (File.Exists(mapTilerApiKeyPath))
-            {
-                string apiKey = File.ReadAllText(mapTilerApiKeyPath)?.Trim();
-
-                mapLayersMenuButton.MapLayers.Add(new MapLayerItem
-                {
-                    Text = "MapTiler Satellite",
-                    Layer = new MapTileLayer
-                    {
-                        TileSource = new TileSource { UriTemplate = "https://api.maptiler.com/maps/satellite/{z}/{x}/{y}.jpg?key=" + apiKey },
-                        SourceName = "MapTiler Satellite",
-                        Description = "© [MapTiler](https://www.maptiler.com/)",
-                        MapBackground = new SolidColorBrush { Color = Colors.Black },
-                        MapForeground = new SolidColorBrush { Color = Colors.White },
-                    }
-                });
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/SampleApps/UniversalApp/MainPage.xaml.cs b/SampleApps/UniversalApp/MainPage.xaml.cs
index 7f71de24..3961564a 100644
--- a/SampleApps/UniversalApp/MainPage.xaml.cs
+++ b/SampleApps/UniversalApp/MainPage.xaml.cs
@@ -17,19 +17,15 @@ namespace SampleApplication
         static MainPage()
         {
             //MapProjectionFactory.Instance = new MapControl.Projections.GeoApiProjectionFactory();
-
             //TileImageLoader.Cache = new MapControl.Caching.ImageFileCache(ApplicationData.Current.LocalCacheFolder);
         }
 
         public MainPage()
         {
             InitializeComponent();
-
-            AddMapTilerLayers();
             AddTestLayers();
         }
 
-        partial void AddMapTilerLayers();
         partial void AddTestLayers();
 
         private void MapItemsControlSelectionChanged(object sender, SelectionChangedEventArgs e)
diff --git a/SampleApps/UniversalApp/UniversalApp.csproj b/SampleApps/UniversalApp/UniversalApp.csproj
index 5fe5ebde..0ec2f9c6 100644
--- a/SampleApps/UniversalApp/UniversalApp.csproj
+++ b/SampleApps/UniversalApp/UniversalApp.csproj
@@ -51,9 +51,6 @@
     <Compile Include="..\Shared\HyperlinkText.cs">
       <Link>HyperlinkText.cs</Link>
     </Compile>
-    <Compile Include="..\Shared\MapTilerLayers.cs">
-      <Link>MapTilerLayers.cs</Link>
-    </Compile>
     <Compile Include="..\Shared\MapViewModel.cs">
       <Link>MapViewModel.cs</Link>
     </Compile>
diff --git a/SampleApps/WinUiApp/MainWindow.xaml.cs b/SampleApps/WinUiApp/MainWindow.xaml.cs
index dd935d11..c280d6ab 100644
--- a/SampleApps/WinUiApp/MainWindow.xaml.cs
+++ b/SampleApps/WinUiApp/MainWindow.xaml.cs
@@ -16,21 +16,16 @@ namespace SampleApplication
         static MainWindow()
         {
             //MapProjectionFactory.Instance = new MapControl.Projections.GeoApiProjectionFactory();
-
             //TileImageLoader.Cache = new MapControl.Caching.ImageFileCache(TileImageLoader.DefaultCacheFolder);
         }
 
         public MainWindow()
         {
             InitializeComponent();
-
-            Title = "XAML Map Control - WinUI Sample Application";
-
-            AddMapTilerLayers();
             AddTestLayers();
+            Title = "XAML Map Control - WinUI Sample Application";
         }
 
-        partial void AddMapTilerLayers();
         partial void AddTestLayers();
 
         private void MapItemsControlSelectionChanged(object sender, SelectionChangedEventArgs e)
diff --git a/SampleApps/WpfApplication/MainWindow.xaml.cs b/SampleApps/WpfApplication/MainWindow.xaml.cs
index 6cefee33..c10e1b41 100644
--- a/SampleApps/WpfApplication/MainWindow.xaml.cs
+++ b/SampleApps/WpfApplication/MainWindow.xaml.cs
@@ -6,7 +6,6 @@ using System.Linq;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
-using System.Windows.Media;
 
 namespace SampleApplication
 {
@@ -15,7 +14,6 @@ namespace SampleApplication
         static MainWindow()
         {
             //MapProjectionFactory.Instance = new MapControl.Projections.GeoApiProjectionFactory();
-
             //TileImageLoader.Cache = new MapControl.Caching.ImageFileCache(TileImageLoader.DefaultCacheFolder);
             //TileImageLoader.Cache = new MapControl.Caching.FileDbCache(TileImageLoader.DefaultCacheFolder);
             //TileImageLoader.Cache = new MapControl.Caching.SQLiteCache(TileImageLoader.DefaultCacheFolder);
@@ -29,12 +27,9 @@ namespace SampleApplication
         public MainWindow()
         {
             InitializeComponent();
-
-            AddMapTilerLayers();
             AddTestLayers();
         }
 
-        partial void AddMapTilerLayers();
         partial void AddTestLayers();
 
         private void MapItemsControlSelectionChanged(object sender, SelectionChangedEventArgs e)