src/Http/Cookie.php
public function delete($key)
    {
        if ($this->has($key)) {
            setcookie($key, null, -1, '/');
            unset($_COOKIE[$key]);
        }

        return;
    }
public function delete($key)
    {
        if ($this->has($key)) {
            setcookie($key, null, -1, '/');
            unset($_COOKIE[$key]);
        }

        return;
    }
Delete cookie method.

@param string $key

@return void