To deactivate your registry, complete the following steps:
Are you using a computer?
Click your name on the top right hand side of your registry to access the account drop down menu > Settings > Account Info. From there check "Deactivate Account" and hit Save. If you are logged in, you can click here.
Are you using the app?
Tap the menu bar in the upper left-hand corner. Tap Account > Deactivate Your Account.