diff --git a/spacemacs.org b/spacemacs.org
index ce6a3c3..e3fb220 100644
--- a/spacemacs.org
+++ b/spacemacs.org
@@ -709,11 +709,6 @@ The one and only one cheatsheet.
       (cheat-sh ":random")))
   (spacemacs/declare-prefix "aad" "cheat.sh/:random")
 #+END_SRC
-*** Disable persistent undo-tree
-#+BEGIN_SRC emacs-lisp :tangle user-config.el
-  (require 'undo-tree)
-  (setq undo-tree-auto-save-history nil)
-#+END_SRC
 *** chatgpt-shell
 #+BEGIN_SRC emacs-lisp :tangle user-config.el
   (use-package chatgpt-shell