Yes. No. Maybe. (To the question of "Can I leave it off my resume?" -- I would not hide anything. There is a difference.)

Different sources say different things about this:

http://www.cbsnews.com/news/can-i-leave-a-job-off-my-resume/

http://work.chron.com/can-leave-really-bad-employer-off-resu...

https://www.forbes.com/sites/lizryan/2016/05/02/five-good-re...

https://workplace.stackexchange.com/questions/9965/is-it-ok-...