How to remove your AIM account
Go to http://cancel.aol.com and log in to your account.
Answer your Account Security Question.
In the bottom right-hand corner of the Manage My Services & Subscriptions page, click Cancel.
Note: you can reactivate within 6 months after removing it. To do this, just sign in on the AOL homepage and follow the instructions.
Direct removal link: http://cancel.aol.com
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for AIM using a third-party login such as Facebook or Twitter, you probably want to revoke all access from AIM. Click here to find out how.