You need to take into account when choosing on unsubscribe, the only option offered in your Facebook profile is the disable account, something that makes sure that everything is entirely eliminated, so it may be that the images, remarks and personal conversations are kept, although currently not be accessible to them.
Delete Facebook Acount
If you want to erase your single account you have to check out the following link and verify:
http://www.facebook.com/help/contact.php?show_form=delete_account
Keep in mind: As soon as confirm not be able to recover your data and whatever to do with the Expense, currently not you can use features it email, which offered low, you would have used a new account hotmail, gmail, etc.
Delete demand from sent by mistake
To erase a request erroneously sent to a person (e.g. ask for friendship) in the top menu go to "Setup", then "Privacy settings".
Then compose the full name of the person in the field "Block person".
Then look it up and lock it. So not your friendship demand, will be considering that obstructing someone removes any link with it. If you desire this person to discover you or have contact with her, you go back to the 'blocked list' and eliminate it by pressing Delete (but currently not your application will appear to him due to the fact that it was formerly obstructed).
This does not work for sent out messages, given that they are all saved in the Inbox of the individual.
Thus the article Delete Facebook Acount from us, hopefully useful thank you.