diff --git a/examples/persistence_postgres.ipynb b/examples/persistence_postgres.ipynb
index 6cb0d8b3a..f5d113154 100644
--- a/examples/persistence_postgres.ipynb
+++ b/examples/persistence_postgres.ipynb
@@ -600,7 +600,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# this is all that's needed for the agent.py\n",
     "from typing import Literal\n",
     "from langchain_core.runnables import ConfigurableField\n",
     "from langchain_core.tools import tool\n",