diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4b883c2..767a8d7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -38,6 +38,7 @@ repos:
     hooks:
       - id: nbstripout
         args:
+          - --drop-empty-cells
           - --extra-keys
           - |
             cell.attachments
diff --git a/docs/eta-pi-p/pgamma-state.ipynb b/docs/eta-pi-p/pgamma-state.ipynb
index 97a3e35..0bbbe7a 100644
--- a/docs/eta-pi-p/pgamma-state.ipynb
+++ b/docs/eta-pi-p/pgamma-state.ipynb
@@ -562,13 +562,6 @@
     "print(\"found\", len(reaction.transitions), \"solutions!\")\n",
     "reaction.get_intermediate_particles().names"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {