How can I delete old VirusDefs (from the Documents & Setting\AllUsers....path) on my laptop?

I have >4GB of VirusDef folders. They are named: 20130716.017; 20130923,003; 20131025.009; 20140110.017; 20140411.001; 201400803.034, and 20150719.001.
I likely do not need any but the last as some of these go back up to two years. Can I delete all but the last a) simply and b) without affecting the function of Symantec Endpoint Protection?
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JohnBusiness Consultant (Owner)Commented:
Yes, you can delete old ones. I would move them to a USB key just in case. But as long as they are not current and Symantec is up to date, you can remove the old ones.

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RAJohanssonAuthor Commented:
Thanks. This suggestion immediately solved the problem; I just didn't exactly know how to close out the question, hence the delay.
JohnBusiness Consultant (Owner)Commented:
@RAJohansson - Thanks and I was happy to help.
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