Firstly nothing wrong with it as long as you dont let it control your life. You can do it daily without it having a major impact.
If you really want to cut down you could try a 30 day trial, or if thats not working maybe you could look deeper and see why your looking at pornography/masturbating, and use that as a springboard to stopping.
Also a gf/bf may be a good idea...
Hope this helps