Index: src/Common/SharpMap.Api/IFeatureProvider.cs
===================================================================
diff -u -r8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9 -r0153333b695581ca406c286a27467bc30d7aa5f8
--- src/Common/SharpMap.Api/IFeatureProvider.cs	(.../IFeatureProvider.cs)	(revision 8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9)
+++ src/Common/SharpMap.Api/IFeatureProvider.cs	(.../IFeatureProvider.cs)	(revision 0153333b695581ca406c286a27467bc30d7aa5f8)
@@ -17,7 +17,6 @@
 
 using System;
 using System.Collections;
-using DelftTools.Utils.Data;
 using GeoAPI.CoordinateSystems;
 using GeoAPI.Extensions.Feature;
 using GeoAPI.Geometries;
@@ -30,7 +29,7 @@
 	/// Interface for data providers
     /// TODO: move all editing-related properties / functions into a separate interface, IFeatureInteractor, IFeatureCollection?
     /// </summary>
-    public interface IFeatureProvider : IUnique<long>, IDisposable
+    public interface IFeatureProvider : IDisposable
 	{
         /// <summary>
         /// Type of the features provided.