diff --git a/ch02/01_main-chapter-code/ch02.ipynb b/ch02/01_main-chapter-code/ch02.ipynb
index b107f3f..149a8a8 100644
--- a/ch02/01_main-chapter-code/ch02.ipynb
+++ b/ch02/01_main-chapter-code/ch02.ipynb
@@ -54,9 +54,6 @@
    "source": [
     "from importlib.metadata import version\n",
     "\n",
-    "import tiktoken\n",
-    "import torch\n",
-    "\n",
     "print(\"torch version:\", version(\"torch\"))\n",
     "print(\"tiktoken version:\", version(\"tiktoken\"))"
    ]
@@ -1885,14 +1882,6 @@
     "\n",
     "See [./exercise-solutions.ipynb](./exercise-solutions.ipynb) for the exercise solutions."
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "c6aa436b-c9ff-4f01-9a58-5c377b3700a5",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {
@@ -1911,7 +1900,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.10.11"
   }
  },
  "nbformat": 4,