Google tool for disavow links
Much awaited by webmasters and web owners, a tool to disavow links is launched and is located at URL https://www.google.com/webmasters/tools/disavow-links-main.
As we all know that bing has already was the first one to do this, now Google has taken a step further to make life of webmasters easy. This tool will help if you have got manual spam action based on “unnatural links” pointing to your site message in webmaster tools. Source