Markus Heller wrote:

>I've finally started to use git for my .org-files, and I'm still very
>new to git.  But ever since I initialized the repository, emacs loads
>vc-git, which apparently is bundled with emacs.  My suspicion was that
>all those ID locations are in fact related to vc-git, and upon disabling
>vc-git by putting

>(setq vc-handled-backends nil)

In case you are going to need vc you can use this hack to disable vc
for Org mode agenda files:

(add-hook 'find-file-hook 'dmj/disable-vc-for-agenda-files-hook)
(defun dmj/disable-vc-for-agenda-files-hook ()
  "Disable vc-mode for Org agenda files."
  (if (and (fboundp 'org-agenda-file-p)
	   (org-agenda-file-p (buffer-file-name)))
      (remove-hook 'find-file-hook 'vc-find-file-hook)
    (add-hook 'find-file-hook 'vc-find-file-hook)))

HTH,
  -- David

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