Function: dired-unadvertise
dired-unadvertise is a byte-compiled function defined in dired.el.gz.
Signature
(dired-unadvertise DIR)
Source Code
;; Defined in /usr/src/emacs/lisp/dired.el.gz
(defun dired-unadvertise (dir)
;; Remove DIR from the buffer alist in variable dired-buffers.
;; This has the effect of removing any buffer whose main directory is DIR.
;; It does not affect buffers in which DIR is a subdir.
;; Removing is also done as a side-effect in dired-buffer-for-dir.
(setq dired-buffers
(delq (assoc (expand-file-name dir) dired-buffers) dired-buffers)))