We already covered getting rid of annoying Who to Follow box appears on twitter’s sidebar with Follow Freely Safari extension here is Hide Twitter Guff Google Chrome extension which automatically hides Who to follow box appears in your twitter account in Google Chrome on twitter’s sidebar .
Some users complaining twitter always showing same set of people some times again and again to follow which is really annoying, you can easily hide Who to follow recommendations shown by twitter on its sidebar in Google Chrome now with Hide Twitter Guff extension.
Install Hide Twitter Guff Google Chrome extension
Update:This extension working for New Twitter also something for you to chear about.