diff --git a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/FormsDesignerViewContent.cs b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/FormsDesignerViewContent.cs
index 8b03fbb0a0..c9047ca436 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/FormsDesignerViewContent.cs
+++ b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/FormsDesignerViewContent.cs
@@ -320,7 +320,6 @@ namespace ICSharpCode.FormsDesigner
 			appDomainHost.AddService(typeof(System.Drawing.Design.IToolboxService), toolbox.ToolboxService);
 			
 			appDomainHost.AddService(typeof(IHelpService), new HelpService());
-			appDomainHost.AddService(typeof(System.Drawing.Design.IPropertyValueUIService), new PropertyValueUIService());
 			
 			appDomainHost.AddService(typeof(System.ComponentModel.Design.IResourceService), new DesignerResourceService(this.resourceStore));
 			AmbientProperties ambientProperties = new AmbientProperties();
diff --git a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/DesignerResourceService.cs b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/DesignerResourceService.cs
index 60303a3889..c566b7eb4f 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/DesignerResourceService.cs
+++ b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/DesignerResourceService.cs
@@ -7,7 +7,7 @@ using ICSharpCode.Core;
 
 namespace ICSharpCode.FormsDesigner.Services
 {
-	sealed class DesignerResourceService : System.ComponentModel.Design.IResourceService
+	sealed class DesignerResourceService : MarshalByRefObject, System.ComponentModel.Design.IResourceService
 	{
 		readonly ResourceStore store;
 		
diff --git a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/FormsMessageService.cs b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/FormsMessageService.cs
index 3d63b5c4f5..4371672abe 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/FormsMessageService.cs
+++ b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/FormsMessageService.cs
@@ -13,7 +13,7 @@ namespace ICSharpCode.FormsDesigner.Services
 	/// <summary>
 	/// Description of MessageService.
 	/// </summary>
-	public class FormsMessageService : IMessageService
+	public class FormsMessageService : MarshalByRefObject, IMessageService
 	{
 		public void ShowOutputPad()
 		{
diff --git a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/HelpService.cs b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/HelpService.cs
index 7e8eccd232..eed21ffd11 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/HelpService.cs
+++ b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/HelpService.cs
@@ -16,7 +16,7 @@ namespace ICSharpCode.FormsDesigner.Services
 	/// 	created by - Niv
 	/// 	created on - 10/10/2002 11:44:46
 	/// </remarks>
-	public class HelpService : IHelpService
+	public class HelpService : MarshalByRefObject, IHelpService
 	{
 		string f1Keyword      = null;
 		string generalKeyword = null;
diff --git a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/UIService.cs b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/UIService.cs
index 828e21e2fa..3b8af28cbc 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/UIService.cs
+++ b/src/AddIns/DisplayBindings/FormsDesigner/FormsDesigner.AddIn/Services/UIService.cs
@@ -11,7 +11,7 @@ using ICSharpCode.Core;
 
 namespace ICSharpCode.FormsDesigner.Services
 {
-	public class UIService : IUIService
+	public class UIService : MarshalByRefObject, IUIService
 	{
 		IFormsDesigner designer;
 		IDictionary styles = new Hashtable();
diff --git a/src/AddIns/DisplayBindings/FormsDesigner/Project/Src/Services/ToolboxService.cs b/src/AddIns/DisplayBindings/FormsDesigner/Project/Src/Services/ToolboxService.cs
index bc80a8dfad..da764b2481 100644
--- a/src/AddIns/DisplayBindings/FormsDesigner/Project/Src/Services/ToolboxService.cs
+++ b/src/AddIns/DisplayBindings/FormsDesigner/Project/Src/Services/ToolboxService.cs
@@ -50,7 +50,7 @@ namespace ICSharpCode.FormsDesigner.Services
 	/// Provides designers with the ability to configure what tools
 	/// are available on the toolbox.
 	/// </remarks>
-	public class ToolboxService : IToolboxService
+	public class ToolboxService : MarshalByRefObject, IToolboxService
 	{
 		static readonly string ALL_HOSTS      = "_all_hosts_";
 		static readonly string ALL_CATEGORIES = "_all_categories_";