RemoveEraseCredentialsRector

Find another rule

Remove unused UserInterface::eraseCredentials() method, make it part of serialize if needed

 use Symfony\Component\Security\Core\User\UserInterface;

 final class User implements UserInterface
 {
-    public function eraseCredentials()
-    {
-        // some logic here
-    }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Symfony\Symfony80\Rector\Class_\RemoveEraseCredentialsRector;

return RectorConfig::configure()
    ->withRules([
        RemoveEraseCredentialsRector::class,
    ]);