diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 9834fd48f2..e9b59ff2ef 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2248,6 +2248,7 @@ namespace OpenSim.Region.Framework.Scenes
                             });
                         }
                     }
+
                     if (colliding.Count > 0)
                     {
                         StartCollidingMessage.Colliders = colliding;
@@ -2255,10 +2256,11 @@ namespace OpenSim.Region.Framework.Scenes
                         if (m_parentGroup.Scene == null)
                             return;
 
-                        if (m_parentGroup.PassCollision == true)
-                        {
-                            //TODO: Add pass to root prim!
-                        }
+//                        if (m_parentGroup.PassCollision == true)
+//                        {
+//                            //TODO: Add pass to root prim!
+//                        }
+
                         m_parentGroup.Scene.EventManager.TriggerScriptCollidingStart(LocalId, StartCollidingMessage);
                     }
                 }
diff --git a/OpenSim/Region/Physics/Manager/PhysicsActor.cs b/OpenSim/Region/Physics/Manager/PhysicsActor.cs
index 96dcfb6b0a..1659ebd6ef 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsActor.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsActor.cs
@@ -113,6 +113,14 @@ namespace OpenSim.Region.Physics.Manager
                     m_objCollisionList[localID] = contact;
             }
         }
+
+        /// <summary>
+        /// Clear added collision events.
+        /// </summary>
+        public void Clear()
+        {
+            m_objCollisionList.Clear();
+        }
     }
 
     public abstract class PhysicsActor
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index d520f27dee..50ab5b9051 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -1235,11 +1235,9 @@ namespace OpenSim.Region.Physics.OdePlugin
         {
             if (m_eventsubscription > m_requestedUpdateFrequency)
             {
-                if (CollisionEventsThisFrame != null)
-                {
-                    base.SendCollisionUpdate(CollisionEventsThisFrame);
-                }
-                CollisionEventsThisFrame = new CollisionEventUpdate();
+                base.SendCollisionUpdate(CollisionEventsThisFrame);
+
+                CollisionEventsThisFrame.Clear();
                 m_eventsubscription = 0;
             }
         }