Cloud Datalab zombie VM

I had a play with Cloud Datalab a few days ago. After I finished I deleted the VM in my list which was named gae-datalab-main-[..]

It successfully deleted.

A couple of days later I noticed back in my list of VMs. So I deleted it again thinking it was just a glitch.

But it's back again today:

Anyone know what's going on here?!

Solution

Sorry about the trouble you are having. Did you delete it from the App Engine --> Versions page? Here is a quick screenshot: