diff --git a/OpenSim/Framework/Communications/GenericAsyncResult.cs b/OpenSim/Framework/Communications/GenericAsyncResult.cs
index efd2f43fef..8e3f62b40e 100644
--- a/OpenSim/Framework/Communications/GenericAsyncResult.cs
+++ b/OpenSim/Framework/Communications/GenericAsyncResult.cs
@@ -146,6 +146,7 @@ namespace OpenSim.Framework.Communications
                 // If the operation isn't done, wait for it
                 AsyncWaitHandle.WaitOne();
                 AsyncWaitHandle.Close();
+                m_waitHandle.Close();
                 m_waitHandle = null; // Allow early GC
             }
 
diff --git a/OpenSim/Framework/Communications/RestClient.cs b/OpenSim/Framework/Communications/RestClient.cs
index d98f47d80b..a74169eb49 100644
--- a/OpenSim/Framework/Communications/RestClient.cs
+++ b/OpenSim/Framework/Communications/RestClient.cs
@@ -105,7 +105,7 @@ namespace OpenSim.Framework.Communications
         /// <summary>
         /// This flag will help block the main synchroneous method, in case we run in synchroneous mode
         /// </summary>
-        public static ManualResetEvent _allDone = new ManualResetEvent(false);
+        //public static ManualResetEvent _allDone = new ManualResetEvent(false);
 
         /// <summary>
         /// Default time out period
@@ -282,12 +282,12 @@ namespace OpenSim.Framework.Communications
                 else
                 {
                     s.Close();
-                    _allDone.Set();
+                    //_allDone.Set();
                 }
             }
             catch (Exception e)
             {
-                _allDone.Set();
+                //_allDone.Set();
                 _asyncException = e;
             }
         }
diff --git a/OpenSim/Framework/Parallel.cs b/OpenSim/Framework/Parallel.cs
index 74537ba460..6efdad022c 100644
--- a/OpenSim/Framework/Parallel.cs
+++ b/OpenSim/Framework/Parallel.cs
@@ -89,6 +89,7 @@ namespace OpenSim.Framework
             }
 
             threadFinishEvent.WaitOne();
+            threadFinishEvent.Close();
 
             if (exception != null)
                 throw new Exception(exception.Message, exception);
@@ -148,6 +149,7 @@ namespace OpenSim.Framework
             }
 
             threadFinishEvent.WaitOne();
+            threadFinishEvent.Close();
 
             if (exception != null)
                 throw new Exception(exception.Message, exception);
@@ -199,6 +201,7 @@ namespace OpenSim.Framework
             }
 
             threadFinishEvent.WaitOne();
+            threadFinishEvent.Close();
 
             if (exception != null)
                 throw new Exception(exception.Message, exception);
diff --git a/OpenSim/Region/Application/OpenSimBackground.cs b/OpenSim/Region/Application/OpenSimBackground.cs
index ac5e2412e2..008c6b07b5 100644
--- a/OpenSim/Region/Application/OpenSimBackground.cs
+++ b/OpenSim/Region/Application/OpenSimBackground.cs
@@ -58,6 +58,7 @@ namespace OpenSim
                              m_clientServers.Count.ToString(), m_clientServers.Count > 1 ? "s" : "");
 
             WorldHasComeToAnEnd.WaitOne();
+            WorldHasComeToAnEnd.Close();
         }
 
         /// <summary>
diff --git a/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs b/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
index b885420081..9b565ed85b 100644
--- a/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
+++ b/OpenSim/Region/CoreModules/Scripting/LSLHttp/UrlModule.cs
@@ -57,7 +57,7 @@ namespace OpenSim.Region.CoreModules.Scripting.LSLHttp
         public string body;
         public int responseCode;
         public string responseBody;
-        public ManualResetEvent ev;
+        //public ManualResetEvent ev;
         public bool requestDone;
         public int startTime;
         public string uri;
@@ -456,7 +456,7 @@ namespace OpenSim.Region.CoreModules.Scripting.LSLHttp
                     requestData.headers["x-query-string"] = queryString;
                     requestData.headers["x-script-url"] = url.url;
 
-                    requestData.ev = new ManualResetEvent(false);
+                    //requestData.ev = new ManualResetEvent(false);
                     lock (url.requests)
                     {
                         url.requests.Add(requestID, requestData);