diff --git a/etc/NEWS b/etc/NEWS
index 8ff318b5004..4d9e94113ac 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1279,6 +1279,11 @@ Major-mode authors can customize the variables
 'yank-media-autoselect-function' and/or 'yank-media-preferred-types' to
 change the selection rules.
 
+** Miscellaneous
+
+---
+*** kermit.el is now obsolete.
+
 
 * New Modes and Packages in Emacs 31.1
 
diff --git a/lisp/obsolete/kermit.el b/lisp/obsolete/kermit.el
index 5a3d4efb22b..0413c57b9aa 100644
--- a/lisp/obsolete/kermit.el
+++ b/lisp/obsolete/kermit.el
@@ -6,6 +6,7 @@
 ;; Maintainer: emacs-devel@gnu.org
 ;; Created: 15 Feb 1988
 ;; Keywords: comm
+;; Obsolete-since: 31.1
 
 ;; This file is part of GNU Emacs.
 
@@ -24,6 +25,15 @@
 
 ;;; Commentary:
 
+;; This library is obsolete.
+;;
+;; If you are looking for Kermit support in Emacs, you might want to
+;; take a look here instead:
+;;
+;;     https://www.kermitproject.org/archive.html#emacs
+
+;; ---
+
 ;; I'm not sure, but I think somebody asked about running kermit under shell
 ;; mode a while ago.  Anyway, here is some code that I find useful.  The result
 ;; is that I can log onto machines with primitive operating systems (VMS and