diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
index 8fbda28b94..f7883daa6e 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsMessagingModule.cs
@@ -31,6 +31,7 @@ using System.Reflection;
 
 
 using log4net;
+using Mono.Addins;
 using Nini.Config;
 
 using OpenMetaverse;
@@ -46,6 +47,7 @@ using Caps = OpenSim.Framework.Capabilities.Caps;
 
 namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 {
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class GroupsMessagingModule : ISharedRegionModule
     {
 
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
index f0e386b7e4..3fd2a85ff4 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
@@ -31,6 +31,7 @@ using System.Reflection;
 using System.Timers;
 
 using log4net;
+using Mono.Addins;
 using Nini.Config;
 
 using OpenMetaverse;
@@ -49,6 +50,7 @@ using DirFindFlags = OpenMetaverse.DirectoryManager.DirFindFlags;
 
 namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 {
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class GroupsModule : ISharedRegionModule, IGroupsModule
     {
         /// <summary>
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs
index 03fe109c30..80adb9e42a 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/XmlRpcGroupsServicesConnectorModule.cs
@@ -33,6 +33,7 @@ using System.Reflection;
 using Nwc.XmlRpc;
 
 using log4net;
+using Mono.Addins;
 using Nini.Config;
 
 using OpenMetaverse;
@@ -43,6 +44,7 @@ using OpenSim.Region.Framework.Interfaces;
 
 namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
 {
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class XmlRpcGroupsServicesConnectorModule : ISharedRegionModule, IGroupsServicesConnector
     {
         private static readonly ILog m_log =
diff --git a/OpenSim/Region/OptionalModules/Resources/OptionalModules.addin.xml b/OpenSim/Region/OptionalModules/Resources/OptionalModules.addin.xml
index 4b7b39d44b..389044e775 100644
--- a/OpenSim/Region/OptionalModules/Resources/OptionalModules.addin.xml
+++ b/OpenSim/Region/OptionalModules/Resources/OptionalModules.addin.xml
@@ -10,8 +10,6 @@
     <Extension path = "/OpenSim/RegionModules">
       <RegionModule id="IRCBridge"             type="OpenSim.Region.OptionalModules.Avatar.Chat.IRCBridgeModule" />
       <RegionModule id="Concierge"             type="OpenSim.Region.OptionalModules.Avatar.Concierge.ConciergeModule" />
-      <RegionModule id="XmlRpcGroups"          type="OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups.XmlRpcGroupsModule" />
-      <RegionModule id="XmlRpcGroupsMessaging" type="OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups.XmlRpcGroupsMessaging" />
       <RegionModule id="VivoxVoice"            type="OpenSim.Region.OptionalModules.Avatar.Voice.VivoxVoice.VivoxVoiceModule" />
     </Extension>
 </Addin>
diff --git a/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs b/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs
index 5471f9eebe..696f915092 100644
--- a/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs
+++ b/OpenSim/Region/OptionalModules/World/MoneyModule/SampleMoneyModule.cs
@@ -41,9 +41,6 @@ using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
-[assembly: Addin("SampleMoneyModule", "0.1")]
-[assembly: AddinDependency("OpenSim", "0.5")]
-
 namespace OpenSim.Region.OptionalModules.World.MoneyModule
 {
     /// <summary>