Cleaning up report

I built a pretty complex BI report and over the weeks created a bunch of columns, and measures testing data and I did not so a good job cleaning it up (I know shame on me). I now have report showing the data as we want it. Is there any way to have the highlight or show all the columns and measures used on the various visualizations so I can delete the unused ones without affecting the visuals? Probably not, but you never know until you ask.

Thanks