diff --git a/Doc/myformat.sty b/Doc/myformat.sty
index c0610eb..609ee81 100644
--- a/Doc/myformat.sty
+++ b/Doc/myformat.sty
@@ -42,10 +42,6 @@
 % This still only gives the right effect in the tt font!!!
 \catcode`_=12
 
-% Dummy \cbstart and \cbend so I can leave changebars in...
-\newcommand{\cbstart}{}
-\newcommand{\cbend}{}
-
 % Define \itembreak: force the text after an item to start on a new line
 \newcommand{\itembreak}{
 \mbox{}