diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 66c18a25803..b27300e290c 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2013-02-17  Glenn Morris  <rgm@gnu.org>
+
+	* image-dired.el (tumme): Make this alias obsolete.
+
 2013-02-16  Glenn Morris  <rgm@gnu.org>
 
 	* image.el (image-animated-types): Remove.
diff --git a/lisp/image-dired.el b/lisp/image-dired.el
index 354e16b0bfb..bbb41d49a1d 100644
--- a/lisp/image-dired.el
+++ b/lisp/image-dired.el
@@ -883,7 +883,7 @@ displayed."
 (defalias 'image-dired 'image-dired-show-all-from-dir)
 
 ;;;###autoload
-(defalias 'tumme 'image-dired-show-all-from-dir)
+(define-obsolete-function-alias 'tumme 'image-dired "24.4")
 
 (defun image-dired-sane-db-file ()
   "Check if `image-dired-db-file' exists.