Deletion of Vault Store Partitions

Can I confirm these are the proper steps to delete a Vault Store Partition? 

1) All items in it have to be already expired and removed by Storage Expiry process, which means the vault store partition folder in Windows only contains empty subfolders. 

2) Remove the subfolders in the Vault Store partition folder, else it complains that it's not empty and prevent deletion of partition

3) Delete Vautl Store Partition

If you're wondering why do I want to delete vs partition? To do a clean up.