Google will ultimately index updated Twitter information. If you'd resembling it done faster, notify them post-haste. If you be able to click on a link in a Google search, and it takes you to a dead/error page, you can demand taking away of that link using the URL removal tool. Here's how:
1. Copy the URL you'd like removed from the site (for example: http://twitter.com/username/statuses/12345678)
2. Navigate to this page.
3. Paste in the Twitter link that you'd like removed
4. Submit your request.
You may be compulsory to log in to your Google account. If you don't have one, you can need to create one.