cutt it off somewhere with one of these very small tube cutter, then push on a sharkbite end cap.
https://www.bunnings.com.au/craftrig...utter_p4902193
$8.50
https://www.bunnings.com.au/smartex-...r-cap_p4700364
$4.25
$12.75 later, done.
i,ve used sharkbite in my house, they work.