diff --git a/dopamine/colab/cartpole.ipynb b/dopamine/colab/cartpole.ipynb
index 4dc7b598..e7886571 100644
--- a/dopamine/colab/cartpole.ipynb
+++ b/dopamine/colab/cartpole.ipynb
@@ -60,8 +60,6 @@
       "source": [
         "# @title Install necessary packages.\n",
         "!pip install --upgrade --no-cache-dir dopamine-rl\n",
-        "!pip install cmake\n",
-        "!pip install atari_py\n",
         "!pip install gin-config"
       ],
       "execution_count": 0,