A Vendor or Vendor Address can only be deleted if it has never been used.  

• To delete the Vendor on the Vendor Master File > General Tab choose Record > Remove
• To delete the address record on the Vendor Master File > Address tab, click on the address record to be remove and choose Record > Remove

• If a Vendor or Vendor Address has been used the following can be done to prevent users from choosing them
• A vendor can be marked inactive this will prevent a user from choosing this vendor in the future.  To mark a vendor inactive on the vendors General Tab change the status to inactive and click save
• If the vendor is still active, yet they have a new address  the old address can be set to inactive by unchecking REQ, PO, and AP on the address tab