@Mitsu1grn-
You can deactivate it yourself.
Log into your account at https://my.roku.com using the email address shown on your Roku device via Settings > System > About. Scroll down and click on Delete account
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X