osX disk space not freed after deleting large number of files

It seems that OS X enabled mobile time machine.

http://apple.stackexchange.com/questions/44203/disk-space-not-freed-up-after-delete

http://www.howtogeek.com/212207/how-to-free-up-space-used-by-time-machines-local-backups-on-your-mac/

$ sudo tmutil disablelocal