When a Supplier is no longer commissioning and you would like to remove them from the active Supplier view. You can archive the Supplier to preserve the Supplier information.
Note: If a Supplier has no commission history. You can delete them outright.
Top Menu >> Suppliers
In the Supplier you want to archived click on the More menu. In this menu, select Archive.
Once archived, you will be brought back to the Supplier page.
Further reading: