Hello Need your help Previously my website was on wordpress some how automatic urls has been added to it and got indexed in google. Now i want those url to show as 410 
example - www.mysmsmart.com/contact/
www.mysmsmart.com/about-us/

this pages are not any more on my website and i have created new one website using php 

How Do i make them 410 error page or code to make google drop down these urls Kindly help me out