RemoveElement from a list

RemoveElement from a list

Hi,
In a FormA I have a date field DAY that ON INPUT have a script that display in another dropdown TIME the options that was not selected from none until this moment. So i try to collect in a list (timelist) people choice by fields GUICHE, DAY and TIME and remove this option from TIME field with removeElement command. But nothing. Field are not displaying correctly the options.
Anyone need solve the same problem?

timelist = (FormA[((Guiche == input.Guiche && Day == input.Day) && Time== input.Time)]);
Time:ui.removeElement(timelist.Time.getall());

Thanks
Mike