diff --git a/src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj b/src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj
index 8e95f81cf5..a705dd0469 100644
--- a/src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj
+++ b/src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj
@@ -440,7 +440,6 @@
     <Compile Include="Utils\DerivedPythonDesignerGenerator.cs" />
     <Compile Include="Utils\DerivedPythonDesignerLoader.cs" />
     <Compile Include="Utils\DerivedPythonFormsDesignerDisplayBinding.cs" />
-    <Compile Include="Utils\DummySynchronizeInvoke.cs" />
     <Compile Include="Utils\MockConsoleTextEditor.cs" />
     <Compile Include="Utils\MockDesignerGenerator.cs" />
     <Compile Include="Utils\MockProjectContent.cs" />
diff --git a/src/AddIns/BackendBindings/Python/PythonBinding/Test/Utils/DummySynchronizeInvoke.cs b/src/AddIns/BackendBindings/Python/PythonBinding/Test/Utils/DummySynchronizeInvoke.cs
deleted file mode 100644
index 07a4dbf4fc..0000000000
--- a/src/AddIns/BackendBindings/Python/PythonBinding/Test/Utils/DummySynchronizeInvoke.cs
+++ /dev/null
@@ -1,38 +0,0 @@
-// <file>
-//     <copyright see="prj:///doc/copyright.txt"/>
-//     <license see="prj:///doc/license.txt"/>
-//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
-//     <version>$Revision$</version>
-// </file>
-
-using System;
-using System.ComponentModel;
-
-namespace PythonBinding.Tests.Utils
-{
-	public class DummySynchronizeInvoke : ISynchronizeInvoke
-	{
-		public DummySynchronizeInvoke()
-		{
-		}
-		
-		public bool InvokeRequired { 
-			get { return false; }
-		}
-		
-		public IAsyncResult BeginInvoke(Delegate method, object[] args)
-		{
-			return null;
-		}
-		
-		public object EndInvoke(IAsyncResult result)
-		{
-			return null;
-		}
-		
-		public object Invoke(Delegate method, object[] args)
-		{
-			return null;
-		}
-	}
-}
diff --git a/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockSite.cs b/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockSite.cs
deleted file mode 100644
index b2c16168d3..0000000000
--- a/src/AddIns/BackendBindings/Ruby/RubyBinding/Test/Utils/MockSite.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-// <file>
-//     <copyright see="prj:///doc/copyright.txt"/>
-//     <license see="prj:///doc/license.txt"/>
-//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
-//     <version>$Revision$</version>
-// </file>
-
-using System;
-using System.ComponentModel;
-
-namespace RubyBinding.Tests.Utils
-{
-	public class MockSite : ISite
-	{
-		public MockSite()
-		{
-			Name = String.Empty;
-		}
-		
-		public IComponent Component {
-			get {
-				throw new NotImplementedException();
-			}
-		}
-		
-		public IContainer Container {
-			get { return null; }
-		}
-		
-		public bool DesignMode {
-			get {
-				throw new NotImplementedException();
-			}
-		}
-		
-		public string Name { get; set; }
-		
-		public object GetService(Type serviceType)
-		{
-			return null;
-		}
-	}
-}