You cannot deactivate the timeline though. Ever since Facebook has grown famous, and had been in the market, it's going to be a new look that will stay on Facebook for a very long time. You will have to deal with it, or else get rid of Facebook.
To deactivate your account, click the account menu icon at the top of your Facebook page and select Account Settings. Click on Security and then click Deactivate your account. Check out the details on www.facebook.com/help/214376678584711.