XML Serializer modification

[Larry Bud]

I have a client that's calling a web service that I wrote. The
webservice returns a string. The string is actually XML that I'm
creating by serializing an object.

However, they want a response WITHOUT the

<?xml version="1.0"?>

tag at the top. Yes, I know, it's technically not XML at that
point.

Any way to eliminate that when doing the serialization, or do I just
need to strip it out manually?