:xclude shipping attribute

Is there some way to exclude one shipping in the feed if you shop have two. We have one alternetiv for store pickups whi is priced 0 and one with price generated by table rate shipping rates. It is generated as below.

<g:shipping>

<g:country>SE</g:country>

<g:service>Sverige Frakt inrikes inkl moms SE</g:service>

<g:price>95 SEK</g:price>

</g:shipping>

<g:shipping>

<g:country>SE</g:country>

<g:service>Sverige H?mta PRO/CLASSIC Seriens sk?p p? lagret i G?VLE</g:service>

<g:price>0 SEK</g:price>

</g:shipping>