PowerDeleteSuite still works for nuking your Reddit history
GitHub - j0be/PowerDeleteSuite: Power Delete Suite for Reddit
https://github.com/j0be/PowerDeleteSuite
Power Delete Suite for Reddit. Contribute to j0be/PowerDeleteSuite development by creating an account on GitHub.
No API required. Kinda slow, but just leave it running overnight if you have a lot. Make sure you run it from https://old.reddit.com/u/me/overview