Index: src/DeltaShell/DeltaShell.Plugins.SharpMapGis.Gui/SharpMapGisGuiPlugin.cs
===================================================================
diff -u -rfa9b36343401d44cb6813d7871903782d0dedec9 -r82993c9bf0c29253ae1df0dfbb0da0deb8213465
--- src/DeltaShell/DeltaShell.Plugins.SharpMapGis.Gui/SharpMapGisGuiPlugin.cs	(.../SharpMapGisGuiPlugin.cs)	(revision fa9b36343401d44cb6813d7871903782d0dedec9)
+++ src/DeltaShell/DeltaShell.Plugins.SharpMapGis.Gui/SharpMapGisGuiPlugin.cs	(.../SharpMapGisGuiPlugin.cs)	(revision 82993c9bf0c29253ae1df0dfbb0da0deb8213465)
@@ -18,7 +18,6 @@
 using DeltaShell.Plugins.SharpMapGis.Gui.NodePresenters;
 using GeoAPI.Extensions.Feature;
 using GeoAPI.Geometries;
-using Mono.Addins;
 using SharpMap;
 using SharpMap.Api.Layers;
 using SharpMap.Data.Providers;
@@ -30,7 +29,6 @@
 
 namespace DeltaShell.Plugins.SharpMapGis.Gui
 {
-    [Extension(typeof(IPlugin))]
     public class SharpMapGisGuiPlugin : GuiPlugin
     {
         private static IGui gui;