How do I remove hyperlink line through header image

[Chimpie]

www.chimpie.com/xenforo

If you hover over my header logo you will see a blue line, what I'm thinking is a hyperlink line.

How do I get ride of it?

Chimpie

 

[Jake Bunce]

FYI, this is fixed for beta 4:

http://xenforo.com/community/threads/fixed-hyperlink-line-through-header-image-in-chrome-6.5294/

Kier's post has the code fix if you want to manually apply it.