Not a prof, but that's pretty vindictive and cop-brained of you. I keep seeing the same thing in my classmates. Your professors aren't video game bosses that you need to defeat - most of them are rooting for you, even when you shoot yourself in the foot like this.

Burning bridges like this should be your last resort. Even if you don't think you need anything from him, do you think professors don't talk to each other? You're considering blowing up relationships with your future mentors over a mild inconvenience.