--- a/bakeconf.xml	Tue Feb 12 21:18:29 2013 +0900
+++ b/bakeconf.xml	Thu Feb 14 16:31:13 2013 +0900
@@ -21,7 +21,6 @@
       </source>
       <depends_on name="ns-3-dev-dce" optional="False"/>
       <build type="waf" objdir="yes">
-	<attribute name="pre_installation" value="cd $SRCDIR;hg update -r 55055ecdbd47"/>
 	<attribute name="patch" value="$SRCDIR/../dce-umip/utils/ipv6-opt-header.patch"/>
 	<attribute name="configure_arguments" value="configure --prefix=$INSTALLDIR --enable-tests"/>
       </build>