public function fetchUniqueIconsList()
    {
        $md5s = [];
        foreach ($this->getIconsList() as $path => $name) {
            $hash = md5_file($path);
            if (in_array($hash, $md5s, true)) {
                continue;
            }
            $md5s[$path] = $hash;
            $list[$path] = $name;
        }

        return $list;
    }