How to REMOVE your facebook profile last name

Tricks : The part of security for facebook to check the all require details are completely and create your account. As the facebook rules to requires every user to enter full name prior to save profile setting. This tricks help to you will able to bypass this restriction and remove your name.

Step to following :
> open mozilla firefox browser.
> Then go to options => Advanced=> Network=> Settings=> Connectionsettings=> Manual proxyconfiguration.
> There HTTP proxy and port address you can write your pc/ieptop HTTP proxy and pport address.(find your http proxy and port address are option =>go to controal panel=> internet options=> connetio=> LAN setting )

> Then you go to your facebook profile and go to account settings and change language.
> Then you can remove your last name and middle name.

So this tricks are help to you will change facebook profile last name are remove and you can write only first name . you can write your favourite name this trick is only facebook profile last name change you can not use this tricks any other like twitter , googleplus. 

NOTE : this tricks are work mozilla firefox , so require firefox browser when you can use thiss tricks.