how to delete credit card details

Kia Ora Enya,

The Link below takes you to the Delete card section which covers different device methods between the Desktop site & each of the 2 App versions - Cheers.

Saved payment methods – Help - Trade Me

Hello Enya. Where do you want to delete them from? There are a few different possibilities. Ping payments, Autobiller, Account top-up

I'll take a guess at account top up stored card you want to delete. You just hit delete in that case, like this screenshot shows.