Is it safe to delete all the -aux.xml files I see left over from sVmotion'ing vm's?

Is it safe to delete all the -aux.xml files I see left over from sVmotion'ing vm's?
aux file

I have seen a thread on here from earlier which shows that it is safe to delete, but I am noticing a whole lot of them being left over after I sVmotion vm's to other datastores.  

And the dates on them are 12/12/2018.  That's not that long ago so I am a little nervous to delete them.  I read somewhere that they are old ver 4.x descriptor files for snapshots and are no longer used in ver 5.x and above.  Can someone confirm this?

I would like to delete them all instead of moving each and every one of them to their VM folder on the destination datastore.
JB BlancoSr Systems EngineerAsked:
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization ConsultantCommented:
If the Virtual Machine is no longer using the datastore, e.g. VM has moved, they are safe to delete.

(if you have any concerns over any file, always MOVE it first rather than deleting! in the event it is needed, you can always copy back!)

It is usual to have "leftovers" after a storage vMotion if you inspect datastores.

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JB BlancoSr Systems EngineerAuthor Commented:
Thank you!
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization ConsultantCommented:
no problems
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