Remove utm_source=rss&utm_medium=rss&utm_campaign= from Feed

I found this with every url on the search page of google and I figured it out that Google is indexing my feed so Please help me out to remove utm_source=rss&utm_medium=rss&utm_campaign= from my feed!

My feed address is http://svolze.com/feed

And also google stops indexing my site from last 13 hours so please tell me how to solve this problem!