Purging the patch folder?

Purging the patch folder?

I notice this morning after applying the patch for 8.0.0 Build Number 8014, that my patch folder is getting larger and larger...  It also contains a whack of updates for version 7.9.0, even though I'm on 8.0.0.  So the question is - how do we purge the contents of the patch folder - is it as simple as deleting everything except the most current patch, or is there some other method we must do?

dcc

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