diff --git a/README.org b/README.org
index c2e6e01..4ab62f1 100644
--- a/README.org
+++ b/README.org
@@ -4512,8 +4512,6 @@ packages:
 4. [[https://github.com/python-lsp/python-lsp-server#readme][Python LSP Server]] is in my opinion the most complete [[https://en.wikipedia.org/wiki/Language_Server_Protocol][Language Server Protocol]]
    implementation for Python and it handles [[https://github.com/charliermarsh/ruff#readme][Ruff]] thanks to the [[https://github.com/python-lsp/python-lsp-ruff][python-lsp-ruff]]
    plugin.
-# 5. [[https://github.com/astoff/code-cells.el#readme][Code-cells]] allows to edit [[https://ipython.org/notebook.html][IPython or Jupyter notebooks]] in Emacs with help
-#    from either [[https://github.com/mwouts/jupytext][Jupytext]] or [[https://pandoc.org/][Pandoc]].
 
 Here are links covering how to integrate Emacs, Python and a Python LSP
 server, before plunging into the configuration steps:
@@ -4933,30 +4931,6 @@ q = apu.Quantity(a, apu.meter)
 print(q)
 #+end_src
 
-*** [[https://github.com/astoff/code-cells.el#readme][Code-cells]]                                                     :noexport:
-:PROPERTIES:
-:CUSTOM_ID: sec:code-cells
-:header-args:emacs-lisp: :tangle no
-:END:
-
-[[https://github.com/astoff/code-cells.el#readme][Code-cells]] allows to edit [[https://ipython.org/notebook.html][IPython or Jupyter notebooks]] in Emacs with help from
-either [[https://github.com/mwouts/jupytext][Jupytext]] or [[https://pandoc.org/][Pandoc]] to translate between the [[https://nbformat.readthedocs.io/en/latest/][ipynb]] format and different
-plain text formats.  Sofar, I have used [[https://github.com/astoff/code-cells.el#readme][code-cells]] to open [[https://nbformat.readthedocs.io/en/latest/][ipynb]] notebooks with
-{{{kbd(C-x C-f)}}} in Emacs for viewing.  Listing [[lst:configure-code-cells]]
-configures =code-cells=.
-
-#+caption[Configure =code-cells=]:
-#+caption: Configure =code-cells=.
-#+name: lst:configure-code-cells
-#+begin_src emacs-lisp -n :results silent
-(when (ensure-package-installation 'code-cells)
-  (with-eval-after-load 'code-cells
-    (let ((map code-cells-mode-map))
-      (keymap-set map "M-p" #'code-cells-backward-cell)
-      (keymap-set map "M-n" #'code-cells-forward-cell)
-      (keymap-set map "C-c C-c" #'code-cells-eval))))
-#+end_src
-
 *** [[https://stackoverflow.com/questions/2324758/debugging-python-programs-in-emacs][Debugging Python programs in Emacs]]
 :PROPERTIES:
 :CUSTOM_ID: sec:debug-python