How to delete posted invoice

How do I delete posted invoices?

Accounts Payable

Accidentally created two batches for the same set of invoices

Financials > Accounts Payable > Invoice Processing > Modify Invoices

1. Click Define
2. Key in Effective Date, Year/Period and Journal Description for the month you wish these invoices to be deleted in
3. Tab down to Invoice to Modify and key in your vendor number
4. You can hit accept here and search for the invoices to delete in a browse list or continue on by keying in the document/invoice number
5. Once you found your invoice, hit accept
6. Click Delete or Void to remove your invoice