title: Laravel drop Unique Column
body: <p><a href="https://i.stack.imgur.com/kJlBv.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kJlBv.png" alt="enter image description here"></a></p>
  
  <p>How can I drop unique of mail. <code>$table-&gt;dropUnique('customers_mail_unique');</code>is not work.</p>
  
  <p>Anybody helps me solving this problem!
  Thanks so much</p>