I cancelled a BT Mobile account over a year ago, but it is still appearing on My BT. I can't find any option to request the removal, and the helpdesks I've tried have been of no use.
How do I get a defunct account removed from My BT?
If you would like to try Live Chat they should be able to help you.
If not then
If you would like to contact one of the UK based BT Care Team who moderate this forum, they should be able to help you.
They can be contacted using this link BT Care Team
They normally respond by phone or e-mail, within three working days, however you should get an immediate confirmation, with a tracking number.