diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 0fff6931d00c3cfec062b47d066a19785567777b..1d72ba18860997f000fc410c634a316e62dc5b2a 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,7 @@
+2013-05-14  Glenn Morris  <rgm@gnu.org>
+
+	* ack.texi (Acknowledgments): Don't mention obsolete sup-mouse.el.
+
 2013-05-09  Glenn Morris  <rgm@gnu.org>
 
 	* sending.texi (Mail Sending): Fix typo.
diff --git a/doc/emacs/ack.texi b/doc/emacs/ack.texi
index 0d0ed9e37f45bf50cb62fc0044246f3320a412e0..92874ad6276474b80605fa58b4429db48361282d 100644
--- a/doc/emacs/ack.texi
+++ b/doc/emacs/ack.texi
@@ -1058,8 +1058,7 @@ contributed extensively to the MS-Windows port of Emacs.
 
 @item
 Wolfgang Rupprecht wrote Emacs 19's floating-point support (including
-@file{float-sup.el} and @file{floatfns.c}), and @file{sup-mouse.el},
-support for the Supdup mouse on lisp machines.
+@file{float-sup.el} and @file{floatfns.c}).
 
 @item
 Kevin Ryde wrote @file{info-xref.el}, a library for checking
diff --git a/etc/NEWS b/etc/NEWS
index fd65bad27406ba0d70164a2a9cf420399f0c283e..144adf15506944c8e850a240e3611ac0b50326aa 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -298,6 +298,9 @@ module.
 
 *** longlines.el is obsolete; use visual-line-mode instead.
 
++++
+*** sup-mouse.el.
+
 *** terminal.el is obsolete; use term.el instead.
 
 +++
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index bd5a20ffe1338d0d10a3c7561640a4ae8a455104..79165b37cc0d1817df039bd58b9c7b87a8d318ac 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2013-05-14  Glenn Morris  <rgm@gnu.org>
+
+	* term/sup-mouse.el: Move to obsolete/.
+
 2013-05-13  Glenn Morris  <rgm@gnu.org>
 
 	* cus-dep.el (defcustom-mh, defgroup-mh, defface-mh):
diff --git a/lisp/term/sup-mouse.el b/lisp/obsolete/sup-mouse.el
similarity index 99%
rename from lisp/term/sup-mouse.el
rename to lisp/obsolete/sup-mouse.el
index 8a207ed01afb8f1df2aa145b4b6658c12340503e..8df32dcd06de3b0699b1ae56c8d11a500beab3d9 100644
--- a/lisp/term/sup-mouse.el
+++ b/lisp/obsolete/sup-mouse.el
@@ -6,6 +6,7 @@
 ;; Maintainer: FSF
 ;; Created: 21 Nov 1986
 ;; Keywords: hardware
+;; Obsolete-since: 24.4
 
 ;;     (from code originally written by John Robinson@bbn for the bitgraph)
 
@@ -197,4 +198,6 @@ X and Y are 0-based character positions on the frame."
   (get-window-with-predicate (lambda (w)
 			       (coordinates-in-window-p (cons x y) w))))
 
+(provide 'sup-mouse)
+
 ;;; sup-mouse.el ends here