diff --git a/SampleApps/AvaloniaApp/MainWindow.axaml b/SampleApps/AvaloniaApp/MainWindow.axaml
index 1d0f86b1..bf1a4743 100644
--- a/SampleApps/AvaloniaApp/MainWindow.axaml
+++ b/SampleApps/AvaloniaApp/MainWindow.axaml
@@ -172,15 +172,6 @@
                         ServiceUri="https://sgx.geodatenzentrum.de/wms_topplus_open"
                         Description="© [BKG](https://gdz.bkg.bund.de/index.php/default/webdienste/topplus-produkte/wms-topplusopen-mit-layer-fur-normalausgabe-und-druck-wms-topplus-open.html)"/>
                 </tools:MapLayerItem>
-                <tools:MapLayerItem Text="TopPlusOpen WMS Tiles">
-                    <map:MapTileLayer
-                        SourceName="TopPlusOpen"
-                        Description="© [BKG](https://gdz.bkg.bund.de/index.php/default/webdienste/topplus-produkte/wms-topplusopen-mit-layer-fur-normalausgabe-und-druck-wms-topplus-open.html)">
-                        <map:MapTileLayer.TileSource>
-                            <map:BoundingBoxTileSource UriTemplate="https://sgx.geodatenzentrum.de/wms_topplus_open?SERVICE=WMS&amp;VERSION=1.3.0&amp;REQUEST=GetMap&amp;CRS=EPSG:3857&amp;LAYERS=web&amp;STYLES=&amp;FORMAT=image/png&amp;WIDTH=256&amp;HEIGHT=256&amp;BBOX={west},{south},{east},{north}"/>
-                        </map:MapTileLayer.TileSource>
-                    </map:MapTileLayer>
-                </tools:MapLayerItem>
                 <tools:MapLayerItem Text="OpenStreetMap WMS">
                     <map:WmsImageLayer
                         ServiceUri="http://ows.terrestris.de/osm/service"