protected function removeInterests(DeliveranceList $list, array $interests)
 {
     $email = $this->getEmail();
     $info = $this->getInterestInfo($interests);
     if (count($info) > 0) {
         $array_map = $this->getInterestArrayMap($interests);
         $response = $list->update($email, $info, $array_map);
         $this->handleUpdateResponse($list, $response);
     }
 }