I *BELIEVE* (@RokuDanny-R please confirm or correct) that your payment information is all contained on you Roku account, not on the individual device. With the Roku account canceled I think you should be in the clear.
- Roku Streaming Stick +, 3810X, Ser YH0059427035, wifi - Samsung UN55ES6100
- Roku Streaming Stick, 3600X, Ser 5S56D8240827, wifi - JVC EM37T
- TCL Roku TV 43S425/C107X, Ser X000001R60KV, wifi