diff --git a/apps/opencs/view/render/object.cpp b/apps/opencs/view/render/object.cpp
index 395a4d57e..f148bfe03 100644
--- a/apps/opencs/view/render/object.cpp
+++ b/apps/opencs/view/render/object.cpp
@@ -34,7 +34,7 @@ void CSVRender::Object::clearSceneNode (Ogre::SceneNode *node)
 void CSVRender::Object::clear()
 {
     if(!mObject.isNull())
-        mPhysics->removeObject(mBase->getName());
+        mPhysics->removePhysicsObject(mBase->getName());
 
     mObject.setNull();
 
@@ -156,6 +156,8 @@ CSVRender::Object::~Object()
 {
     clear();
 
+    mPhysics->removeObject(mBase->getName());
+
     if (mBase)
         mBase->getCreator()->destroySceneNode (mBase);
 }
diff --git a/apps/opencs/view/render/worldspacewidget.cpp b/apps/opencs/view/render/worldspacewidget.cpp
index ee119c939..f8bec949c 100644
--- a/apps/opencs/view/render/worldspacewidget.cpp
+++ b/apps/opencs/view/render/worldspacewidget.cpp
@@ -353,7 +353,10 @@ void CSVRender::WorldspaceWidget::mouseMoveEvent (QMouseEvent *event)
 
 void CSVRender::WorldspaceWidget::mousePressEvent (QMouseEvent *event)
 {
-    mMouse->mousePressEvent(event);
+    if(event->buttons() & Qt::RightButton)
+    {
+        mMouse->mousePressEvent(event);
+    }
     //SceneWidget::mousePressEvent(event);
 }
 
diff --git a/apps/opencs/view/render/worldspacewidget.hpp b/apps/opencs/view/render/worldspacewidget.hpp
index 40799d86a..14f091620 100644
--- a/apps/opencs/view/render/worldspacewidget.hpp
+++ b/apps/opencs/view/render/worldspacewidget.hpp
@@ -32,8 +32,6 @@ namespace CSVRender
 {
     class WorldspaceWidget : public SceneWidget
     {
-        friend class MouseState;
-
             Q_OBJECT
 
             CSVRender::Navigation1st m1st;
@@ -154,6 +152,8 @@ namespace CSVRender
             void closeRequest();
 
             void dataDropped(const std::vector<CSMWorld::UniversalId>& data);
+
+        friend class MouseState;
     };
 }
 
diff --git a/apps/opencs/view/world/physicssystem.cpp b/apps/opencs/view/world/physicssystem.cpp
index 1f41dcb8c..57a35168b 100644
--- a/apps/opencs/view/world/physicssystem.cpp
+++ b/apps/opencs/view/world/physicssystem.cpp
@@ -63,7 +63,9 @@ namespace CSVWorld
         }
     }
 
-    // normal delete (e.g closing a scene subview)
+    // normal delete (e.g closing a scene subview or ~Object())
+    // the scene node is destroyed so the mappings should be removed
+    //
     // TODO: should think about using some kind of reference counting within RigidBody
     void PhysicsSystem::removeObject(const std::string &sceneNodeName)
     {
@@ -114,6 +116,25 @@ namespace CSVWorld
         }
     }
 
+    // Object::clear() is called when reference data is changed.  It clears all
+    // contents of the SceneNode and removes the physics object
+    //
+    // A new physics object will be created and assigned to this sceneNodeName by
+    // Object::update()
+    void PhysicsSystem::removePhysicsObject(const std::string &sceneNodeName)
+    {
+        std::string referenceId = mSceneNodeToRefId[sceneNodeName];
+
+        if(referenceId != "")
+        {
+            if(mRefIdToSceneNode.find(referenceId) == mRefIdToSceneNode.end())
+            {
+                mEngine->removeRigidBody(referenceId);
+                mEngine->deleteRigidBody(referenceId);
+            }
+        }
+    }
+
     void PhysicsSystem::replaceObject(const std::string &sceneNodeName, float scale,
             const Ogre::Vector3 &position, const Ogre::Quaternion &rotation, bool placeable)
     {
diff --git a/apps/opencs/view/world/physicssystem.hpp b/apps/opencs/view/world/physicssystem.hpp
index ccc9253d0..0036bf769 100644
--- a/apps/opencs/view/world/physicssystem.hpp
+++ b/apps/opencs/view/world/physicssystem.hpp
@@ -51,6 +51,7 @@ namespace CSVWorld
                     bool placeable=false);
 
             void removeObject(const std::string &sceneNodeName);
+            void removePhysicsObject(const std::string &sceneNodeName);
 
             void replaceObject(const std::string &sceneNodeName,
                     float scale, const Ogre::Vector3 &position,