diff --git a/.gitignore b/.gitignore
index ee05595..17cd06f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .idea
 __pycache__
+.ipynb_checkpoints
diff --git a/notebooks/Dispersion.ipynb b/notebooks/Dispersion.ipynb
index 69bb5e3..0942d98 100644
--- a/notebooks/Dispersion.ipynb
+++ b/notebooks/Dispersion.ipynb
@@ -174,30 +174,6 @@
     ")\n",
     "display(Markdown(keypad_md_table(dispersed_interface.reshape(-1), keypad_size)))"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 6,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "hello\n"
-     ]
-    }
-   ],
-   "source": [
-    "print(\"hello\")"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {