remove qualifier from node in Color

New here, but in Resolve 16, I have added some curves/qualifiers/powerwindows onto a clip in the Color tab, and they show being on with a small red dot in that section, as well as showing on the node up above... but I can't figure out how to delete or reset those... I can ctrl-Z a bunch of time if I just created one, but what if I want to come back in later and just delete the qualifier or curve and start again?

tx