Supposedly, the only way is to not play for 6 weeks. Zynga claims to clean up their databases. But, it hasn't been confirmed that they actually do this.
To remove yourself from MySpace Mafia Wars all you have to do is delete the application.
No you can't delete them from your mafia on Mafia Wars after you except them but you can at least delete them from your MySpace friends.Click on their name. Then click on Remove from Mafia.
by promoting another person in your mafia to the position of the person in your top mafia that you want out. this won't delete the person from your mafia, it will just replace the person.
You have to delete your old Mafia Wars account and create a new one.
no you cannot delete them but if you want to get rid of the loot items, you can send them to your mafia family members.
Add people who post on the Mafia Wars main page or other forums. It's easy to add someone as a friend, add them to your mafia, then delete them as a friend after. You can also post a request yourself so people will add you automatically.
Delete them as a friend and dont add them again
You wack them
On Mafia Wars you can't add yourself to a hitlist and you can't attack people you put on the hitlist.
On Mafia Wars you can't delete special weapons, you can only sell ones that you buy.
I have 505 mafia members, and I have deleted at least 30 mafia friends with no change to my mafia count.
In Mafia Wars you can't put yourself on the hitlist and you also can't attack someone you have put on the hitlist.