You should consider when selecting unsubscribe, the only choice available in your Facebook profile is the disable account, something that makes sure that whatever is completely removed, so it might be that the images, comments and personal discussions are kept, although currently not be available to them.
How Can I Delete My Account On Facebook
If you wish to delete your single account you have to check out the following link and validate:
http://www.facebook.com/help/contact.php?show_form=delete_account
Note: When validate not have the ability to recover your data and whatever to do with the Costs, already not you can use features it e-mail, which gave low, you would have used a new account hotmail, gmail, etc.
Erase demand from sent out by mistake
To delete a request erroneously sent to an individual (e.g. ask for friendship) in the leading menu go to "Setup", then "Personal privacy settings".
Then write the complete name of the person in the field "Block individual".
Then look it up and lock it. So not your relationship demand, will be given that blocking someone eliminates any relate to it. If you want this person to find you or have contact with her, you return to the 'obstructed list' and remove it by pressing Erase (however currently not your application will appear to him due to the fact that it was previously blocked).
This does not work for sent messages, considering that they are all kept in the Inbox of the person.
Thus the article How Can I Delete My Account On Facebook from us, hopefully useful thank you.