silverstripe / silverstripe-fulltextsearch

src/Solr/Services/Solr3Service.php

<?php
namespace SilverStripe\FullTextSearch\Solr\Services;

class Solr3Service extends SolrService
{
    private static $core_class = Solr3Service_Core::class;

The private property $core_class is not used, and could be removed.

}