protected function removeItem($item)
    {
        if (is_string($item)) {
            $item = $this->findItem($item);
        }

        echo "    > removing $item->name ...";
        $time = microtime(true);
        $this->authManager->remove($item);
        echo ' done (time: ' . sprintf('%.3f', microtime(true) - $time) . "s)\n";
    }