Throw out all things related
to porn and get rid of them, burn them,
throw them out, shred them, etc. Then enroll yourself
in a group for people who also are trying to quit porn. (I'm sure there is many of those all over the place.) It would be better if the group was a religious group. And maybe seek therapy if you feel that your problem can't be stopped with group therapy and throwing out all the porn (and not buying more.