diff --git a/Polyhedron/demo/Polyhedron/Scene.cpp b/Polyhedron/demo/Polyhedron/Scene.cpp
index 67ac68beed2..4690acb2be0 100644
--- a/Polyhedron/demo/Polyhedron/Scene.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene.cpp
@@ -665,11 +665,10 @@ void Scene::itemChanged(Scene_item* /* item */)
                      this->createIndex(m_entries.size() - 1, LastColumn));
 }
 
-bool SceneDelegate::editorEvent(QEvent *event, QStandardItemModel *model,
+bool SceneDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
                                 const QStyleOptionViewItem &option,
                                 const QModelIndex &index)
 {
-    qDebug()<<"editor event";
     QAbstractProxyModel* proxyModel = dynamic_cast<QAbstractProxyModel*>(model);
     Q_ASSERT(proxyModel);
     Scene *scene = dynamic_cast<Scene*>(proxyModel->sourceModel());
diff --git a/Polyhedron/demo/Polyhedron/Scene.h b/Polyhedron/demo/Polyhedron/Scene.h
index 1ed3532ec70..9f5f4a8c38e 100644
--- a/Polyhedron/demo/Polyhedron/Scene.h
+++ b/Polyhedron/demo/Polyhedron/Scene.h
@@ -168,6 +168,7 @@ private Q_SLOTS:
       for(int i=0; i<5; i++)
       {
           list<<new QStandardItem();
+          list.at(i)->setEditable(false);
       }
      for(int i=0; i<rowCount(); i++)
      {
@@ -202,7 +203,7 @@ public:
   {
   }
 
-  bool editorEvent(QEvent *event, QStandardItemModel *model,
+  bool editorEvent(QEvent *event, QAbstractItemModel *model,
                    const QStyleOptionViewItem &option,
                    const QModelIndex &index);
   void paint(QPainter *painter, const QStyleOptionViewItem &option,