RemoveDefaultValueFromAssignedPropertyRector

Remove redundant default value from property that is always assigned in the constructor

 class SomeClass
 {
-    private ?SomeType $someType = null;
+    private ?SomeType $someType;

     public function __construct(SomeType $someType)
     {
         $this->someType = $someType;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\DeadCode\Rector\Property\RemoveDefaultValueFromAssignedPropertyRector;

return RectorConfig::configure()
    ->withRules([
        RemoveDefaultValueFromAssignedPropertyRector::class,
    ]);
SETS:  Dead Code