Clearing memory from an interrupted docker save

Hi all,

I made several interruptions to the process of saving a docker image using Ctrl-C. Unfortunately, this led to some memory space being taken up (on the order of gigabytes) on my hard disk. Is there a way to clean up incomplete saved images?

I’m on Windows 10 Home, using Docker Toolbox:
Docker version 18.03.0-ce, build 0520e24302