You have the flexibility to effortlessly modify a saved invoice by removing any previously applied discounts. However, this can only be done before the invoice has been sent to the client and paid. You can remove discounts applied to the total amount of the invoice or to individual line items.
Removing a discount applied to the total amount.
To remove a discount from the invoice:
Navigate to Invoices, then click on ... (ellipsis) to Edit.
Go to the item's Discount field and clear the figures earlier inputted.
Click on Save Changes.
Removing a discount applied to the total amount
To remove a discount applied to an invoice's total amount:
Scroll down to the end of the invoice, then clear the Invoice discount field
Scroll back, then tap Save to save your edit.