diff --git a/MapControl/Shared/TileImageLoader.cs b/MapControl/Shared/TileImageLoader.cs
index f35beefe..3a749c6b 100644
--- a/MapControl/Shared/TileImageLoader.cs
+++ b/MapControl/Shared/TileImageLoader.cs
@@ -12,7 +12,6 @@ using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 
 namespace MapControl