2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ibuffer.el b/lisp/ibuffer.el
index 3af06eba97e..c81b05efec6 100644
--- a/lisp/ibuffer.el
+++ b/lisp/ibuffer.el
@@ -317,7 +317,7 @@ directory, like `default-directory'."
                  string))
 
 (defcustom ibuffer-help-buffer-modes
-  '(help-mode apropos-mode Info-mode Info-edit-mode)
+  '(help-mode apropos-mode Info-mode)
   "List of \"Help\" major modes."
   :type '(repeat function))
 
diff --git a/lisp/obsolete/info-edit.el b/lisp/obsolete/info-edit.el
index b64e84003fc..55c52b5abdb 100644
--- a/lisp/obsolete/info-edit.el
+++ b/lisp/obsolete/info-edit.el
@@ -78,6 +78,11 @@ This feature will be removed in future.")
        (buffer-modified-p)
        (message "Tags may have changed.  Use Info-tagify if necessary")))
 
+;; Moved here from definition of ibuffer-help-buffer-modes to make
+;; that variable customizable even though this code is obsolete.  See
+;; also Bug#30990.
+(add-to-list 'ibuffer-help-buffer-modes 'Info-edit-mode)
+
 (provide 'info-edit)
 
 ;;; info-edit.el ends here