diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index ba8db84..120b88d 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -36,8 +36,6 @@
 Better Czech keymap. (Stepnem, 2010 May 4)  Use if no response from Jiri
 Tobisek.
 
-test72 causes a beep for using "u" when it doesn't work.
-
 :!cmd completion doesn't work on Windows. (Yue Wu).
 Problem with space in path?
 
diff --git a/src/testdir/test72.in b/src/testdir/test72.in
index faf5c0a..6acb6d8 100644
--- a/src/testdir/test72.in
+++ b/src/testdir/test72.in
@@ -6,7 +6,7 @@
 :so small.vim
 :"
 :" Test 'undofile': first a simple one-line change.
-:set nocompatible viminfo+=nviminfo
+:set nocompatible viminfo+=nviminfo visualbell
 :set ul=100 undofile nomore
 :e! Xtestfile
 ggdGithis is one line:set ul=100