diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 9e59d5040b..3a066d426e 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -219,8 +219,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         private int m_lastUpdate;
         private bool m_firstHeartbeat = true;
-
-        private object m_deleting_scene_object = new object();
         
         private UpdatePrioritizationSchemes m_priorityScheme = UpdatePrioritizationSchemes.Time;
         private bool m_reprioritizationEnabled = true;
@@ -1994,15 +1992,8 @@ namespace OpenSim.Region.Framework.Scenes
         public void DeleteSceneObject(SceneObjectGroup group, bool silent)
         {            
 //            m_log.DebugFormat("[SCENE]: Deleting scene object {0} {1}", group.Name, group.UUID);
-            
-            //SceneObjectPart rootPart = group.GetChildPart(group.UUID);
 
-            // Serialise calls to RemoveScriptInstances to avoid
-            // deadlocking on m_parts inside SceneObjectGroup
-            lock (m_deleting_scene_object)
-            {
-                group.RemoveScriptInstances(true);
-            }
+            group.RemoveScriptInstances(true);
 
             SceneObjectPart[] partList = group.Parts;
 
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 44397b7095..105d97da47 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -176,12 +176,16 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             get { return m_ConfigSource; }
         }
 
+        /// <summary>
+        /// Event fired after the script engine has finished removing a script.
+        /// </summary>
         public event ScriptRemoved OnScriptRemoved;
+
+        /// <summary>
+        /// Event fired after the script engine has finished removing a script from an object.
+        /// </summary>
         public event ObjectRemoved OnObjectRemoved;
 
-        //
-        // IRegionModule functions
-        //
         public void Initialise(IConfigSource configSource)
         {
             if (configSource.Configs["XEngine"] == null)
@@ -1122,7 +1126,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             // Give the script some time to finish processing its last event.  Simply aborting the script thread can
             // cause issues on mono 2.6, 2.10 and possibly later where locks are not released properly on abort.
             instance.Stop(1000);
-            
+
 //                bool objectRemoved = false;
 
             lock (m_PrimObjects)
@@ -1153,14 +1157,9 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 UnloadAppDomain(instance.AppDomain);
             }
 
-            instance = null;
-
             ObjectRemoved handlerObjectRemoved = OnObjectRemoved;
             if (handlerObjectRemoved != null)
-            {
-                SceneObjectPart part = m_Scene.GetSceneObjectPart(localID);
-                handlerObjectRemoved(part.UUID);
-            }
+                handlerObjectRemoved(instance.ObjectID);
 
             ScriptRemoved handlerScriptRemoved = OnScriptRemoved;
             if (handlerScriptRemoved != null)