diff --git a/OpenSim/ApplicationPlugins/Rest/Inventory/RestHandler.cs b/OpenSim/ApplicationPlugins/Rest/Inventory/RestHandler.cs
index c351272870..9a1f628c26 100644
--- a/OpenSim/ApplicationPlugins/Rest/Inventory/RestHandler.cs
+++ b/OpenSim/ApplicationPlugins/Rest/Inventory/RestHandler.cs
@@ -441,7 +441,7 @@ namespace OpenSim.ApplicationPlugins.Rest.Inventory
 
         // Preserves the original handler's semantics
 
-        public new void AddStreamHandler(string httpMethod, string path, RestMethod method)
+        public void AddStreamHandler(string httpMethod, string path, RestMethod method)
         {
 
             if (!IsEnabled)
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLPacketServer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLPacketServer.cs
index 59834549df..2a3f2e10f0 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLPacketServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLPacketServer.cs
@@ -40,7 +40,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         //private static readonly log4net.ILog m_log
         //    = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
-        private LLClientStackNetworkHandler m_networkHandler;
+        private readonly LLClientStackNetworkHandler m_networkHandler;
         private IScene m_scene;
 
         //private readonly ClientManager m_clientManager = new ClientManager();
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLPacketThrottle.cs b/OpenSim/Region/ClientStack/LindenUDP/LLPacketThrottle.cs
index cd5ff7ea7e..b9f459418a 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLPacketThrottle.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLPacketThrottle.cs
@@ -29,63 +29,63 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 {
     public class LLPacketThrottle
     {
-        private int max; // max allowable throttle
-        private int min; // min allowable throttle
-        private int throttle; // current throttle setting
-        private static int divisor = 7; // the throttle time divisor, this probably should factor out
-        private int sent; // current number of bytes sent
+        private readonly int m_maxAllowableThrottle;
+        private readonly int m_minAllowableThrottle;
+        private int m_currentThrottle;
+        private const int m_throttleTimeDivisor = 7;
+        private int m_currentBytesSent;
 
         public LLPacketThrottle(int Min, int Max, int Throttle)
         {
-            max = Max;
-            min = Min;
-            throttle = Throttle;
-            sent = 0;
+            m_maxAllowableThrottle = Max;
+            m_minAllowableThrottle = Min;
+            m_currentThrottle = Throttle;
+            m_currentBytesSent = 0;
         }
 
         public void Reset()
         {
-            sent = 0;
+            m_currentBytesSent = 0;
         }
 
         public bool UnderLimit()
         {
-            return (sent < (throttle/divisor));
+            return (m_currentBytesSent < (m_currentThrottle/m_throttleTimeDivisor));
         }
 
         public int Add(int bytes)
         {
-            sent += bytes;
-            return sent;
+            m_currentBytesSent += bytes;
+            return m_currentBytesSent;
         }
 
         // Properties
         public int Max
         {
-            get { return max; }
+            get { return m_maxAllowableThrottle; }
         }
 
         public int Min
         {
-            get { return min; }
+            get { return m_minAllowableThrottle; }
         }
 
         public int Throttle
         {
-            get { return throttle; }
+            get { return m_currentThrottle; }
             set
             {
-                if (value > max)
+                if (value > m_maxAllowableThrottle)
                 {
-                    throttle = max;
+                    m_currentThrottle = m_maxAllowableThrottle;
                 }
-                else if (value < min)
+                else if (value < m_minAllowableThrottle)
                 {
-                    throttle = min;
+                    m_currentThrottle = m_minAllowableThrottle;
                 }
                 else
                 {
-                    throttle = value;
+                    m_currentThrottle = value;
                 }
             }
         }
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index edccbe5356..156310b9e9 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -921,7 +921,7 @@ namespace OpenSim.Region.Environment.Scenes
         }
 
         [XmlIgnore]
-        public LLUUID RegionID
+        public virtual LLUUID RegionID
         {
             get { return ParentGroup.Scene.RegionInfo.RegionID; }
             set {} // read only
diff --git a/prebuild.xml b/prebuild.xml
index 97f9394fe1..513b419933 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -1189,9 +1189,7 @@
       <ReferencePath>../../../../bin/</ReferencePath>
       <Reference name="Mono.Addins.dll" />
       <Reference name="System"/>
-      <Reference name="System.IO"/>
       <Reference name="System.Xml"/>
-      <Reference name="System.Xml.Serialization"/>
       <Reference name="libsecondlife.dll" />
       <Reference name="Nini.dll" />
       <Reference name="XMLRPC.dll" />