Are you sure? Having both installed does not guarantee the newer one is used, though it usually is.
On terminal run ls -las /Library/TeX/Distributions/.DefaultTeX/ whih should result in something like [...] Contents -> ../TeXLive-2018-Basic.texdist/Contents if that is the case you can run open /usr/local/texlive/ and drag 2016* to the trashbin or run sudo rm -rf /usr/local/texlive/2016* Of course after having made a backup... el On 2018-11-09 13:33 , jezZiFeR wrote: > Hello, > > I hope somebody could answer a question related to MacTex / texlive. > Could I delete the version of 2016 just by deleting /2016 in the > teelive-folder? I use 2018 now. > > Thank you! > Jess