diff --git a/README.org b/README.org
index a0005ee..ba72094 100644
--- a/README.org
+++ b/README.org
@@ -275,7 +275,7 @@ of [[info:emacs#Saving Customizations][saving customizations (info)]].
                     ("melpa" . "https://melpa.org/packages/")
                     ("melpa-stable" . "https://stable.melpa.org/packages/")
                     ("nongnu" . "https://elpa.nongnu.org/nongnu/"))
- package-install-upgrade-built-in t
+ package-install-upgrade-built-in nil
  ;; Pin packages to GNU ELPA or to MELPA STABLE for info and/or stability.
  package-pinned-packages  '((auctex . "gnu")
                             (citar . "melpa-stable")
@@ -285,7 +285,6 @@ of [[info:emacs#Saving Customizations][saving customizations (info)]].
                             (dash . "melpa-stable")
                             (debbugs . "gnu")
                             (denote . "gnu")
-                            (eldoc . "nongnu")
                             (embark . "gnu")
                             (embark-consult . "gnu")
                             (emms . "gnu")
@@ -319,39 +318,6 @@ of [[info:emacs#Saving Customizations][saving customizations (info)]].
 ;; (byte-recompile-directory "~/VCS/org-contrib/lisp" 0)
 ;; Postpone (require 'org) after shadowing Org and sh-script faces below.
 
-;; Enable `package-install-upgrade-built-in' to upgrade Org and transient.
-;; Caveat: works with `list-packages' but not with `package-upgrade-all'.
-;; Disable upgrading other packages by pinning them to "nongnu".
-(defvar package-pinned-packages)
-
-(setopt package-install-upgrade-built-in t
-        package-pinned-packages
-        (cl-union '((bind-key . "nongnu")
-                    (eglot . "nongnu")
-                    (erc . "nongnu")
-                    (external-completion . "nongnu")
-                    (faceup . "nongnu")
-                    (flymake . "nongnu")
-                    (jsonrpc . "nongnu")
-                    (let-alist . "nongnu")
-                    (map . "nongnu")
-                    (ntlm . "nongnu")
-                    (org . "nongnu") ; Use builtin or git!
-                    (peg . "nongnu")
-                    (python . "nongnu")
-                    (project . "nongnu")
-                    (seq . "nongnu")
-                    (soap-client . "nongnu")
-                    (so-long . "nongnu")
-                    (svg . "nongnu")
-                    (track-changes . "nongnu")
-                    (transient . "nongnu")
-                    (use-package . "nongnu")
-                    (use-package-ensure-system-package . "nongnu")
-                    (verilog-mode . "nongnu")
-                    (xref . "nongnu"))
-                  package-pinned-packages :key #'car))
-
 (when (eq system-type 'darwin)
   (setopt ns-alternate-modifier nil
           ns-command-modifier 'meta