Deleting unused proxy files

[#1]

Hi all, 

I'm using the Make Offline feature in conjunction with the Video Usage metadata to get rid of unused media from my project and from my hard drive. How do I also get rid of proxy files associated with my unused media? 

Thanks!

[#2]

Hi all, 

I'm using the Make Offline feature in conjunction with the Video Usage metadata to get rid of unused media from my project and from my hard drive. How do I also get rid of proxy files associated with my unused media? 

Thanks!