diff --git a/tutorials/FITS-header/FITS-header.ipynb b/tutorials/FITS-header/FITS-header.ipynb
index fcf90b42..ff8fa736 100644
--- a/tutorials/FITS-header/FITS-header.ipynb
+++ b/tutorials/FITS-header/FITS-header.ipynb
@@ -338,11 +338,6 @@
    "name": "FITS-header.ipynb",
    "provenance": []
   },
-  "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
-   "language": "python",
-   "name": "python3"
-  },
   "language_info": {
    "codemirror_mode": {
     "name": "ipython",
@@ -352,8 +347,7 @@
    "mimetype": "text/x-python",
    "name": "python",
    "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.9.12"
+   "pygments_lexer": "ipython3"
   }
  },
  "nbformat": 4,