Difficulty editing Previously Saved Segmentation

I am having an issue with editing previously created segments when I reopen a saved file. Whenever I try to erase parts of previous segmentations, they become a little lighter (and I can make edits over them) but do not ever completely disappear. This is making it really hard to go back through and edit my work.

Any guidance would be greatly appreciated!

It could be that you have two versions visible and are only editing one? Check the visibility in the Data module (eye icon).

Thank you so much! I really appreciate it!