here are the steps on how to delete reddit account permanently
Delete Your Posts (Optional)
Go to your profile.
Tap the 3 dots on each post or comment.
Tap Delete.
Cancel Premium (If You Have It)
Go to Settings.
Cancel your Reddit Premium.
Unlink Google or Apple (If You Used Them)
Go to Account Settings.
Tap Disconnect next to Google or Apple.
Set a password if needed.
Delete Your Account
Go to Reddit.com and log in.
Click your profile picture > User Settings.
Scroll down and click Delete Account.
Enter your info and confirm.
Once deleted, you can’t get your account back.
Your posts stay unless you delete them first.