From Official Google Webmaster Central Blog: A new tool to disavow links

A solution for those who are bugged by irrelevant results in SERPs. Webmasters and online marketing consultants who don’t wish to see some of the links in Google index can use this tool effectively.

Please not that its a one way route and you may loose the page if dropped and you cannot add it in future.
All the Best!

Official Google Webmaster Central Blog: A new tool to disavow links: Webmaster level: Advanced Today we’re introducing a tool that enables you to disavow links to your site. If you’ve been notified of a manua…