diff --git a/app/cara.ipynb b/app/cara.ipynb
index b8e43cb7..5f8ba0d5 100644
--- a/app/cara.ipynb
+++ b/app/cara.ipynb
@@ -15,49 +15,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {
     "pycharm": {
      "name": "#%%\n"
     },
     "scrolled": false
    },
-   "outputs": [
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "6e33ae6d23704c188c91237976fe0255",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "VBox(children=(Accordion(children=(VBox(children=(HBox(children=(VBox(children=(Label(value='Room volume'),)),…"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "outputs": [],
    "source": [
     "import cara.apps\n",
     "\n",
     "app = cara.apps.ExpertApplication()\n",
     "app.widget"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 5,
-   "metadata": {
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "import cara.models\n",
-    "app.model_state.room.dcs_update_from(cara.models.Room(volume=75))\n"
-   ]
   }
  ],
  "metadata": {
@@ -81,4 +52,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
\ No newline at end of file
+}