Neos\Flow\Http\Headers::removeCookie PHP Method

    public function removeCookie($name)
    {
        unset($this->cookies[$name]);
    }

 /**
  * Removes the specified cookie from the headers of this message, if it exists
  *
  * This is a shortcut for $message->getHeaders()->removeCookie($name);
  *
  * Note: This will remove the cookie object from this Headers container. If you
  *       intend to remove a cookie in the user agent (browser), you should call
  *       the cookie's expire() method and _not_ remove the cookie from the Headers
  *       container.
  *
  * @param string $name Name of the cookie to remove
  * @return void
  * @api
  */
 public function removeCookie($name)
 {
     $this->headers->removeCookie($name);
 }