diff --git a/service/app/main.ipynb b/service/app/main.ipynb
index 2b5aec7..6ae9c46 100644
--- a/service/app/main.ipynb
+++ b/service/app/main.ipynb
@@ -18,38 +18,6 @@
     "# write your code.\n",
     "print(\"Hello Jupyter\")"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "c9833438-76bb-4358-8771-9ee2f0e96c18",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "5acecb0d-c4a4-4108-946a-9d4bd59cd45c",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "3fd2a5e2-5a62-4159-ab9a-385476aee2c9",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "934e26ad-62df-4b70-b531-992684787463",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {