[Freeswitch-users] Deleting event name in Filter

Dear All, I have filter a Event like the following in Perl. $IVR->{_esl}->filter("Event-Name","CHANNEL_EXECUTE_COMPLETE"); But I don't how to delete that filter by using filter method. Because 'filter' method accepts only two arguments. Could you any one tell me a way to do it? Thanks, Magesh.