diff --git a/tailbone/views/purchasing/batch.py b/tailbone/views/purchasing/batch.py
index 95c12bb1..c00267a9 100644
--- a/tailbone/views/purchasing/batch.py
+++ b/tailbone/views/purchasing/batch.py
@@ -693,11 +693,10 @@ class PurchasingBatchView(BatchMasterView):
         f.set_type('units_mispick', 'quantity')
 
         # currency fields
-        f.set_type('po_unit_cost', 'currency')
+        # nb. we only show "total" fields as currency, but not case or
+        # unit cost fields, b/c currency is rounded to 2 places
         f.set_type('po_total', 'currency')
         f.set_type('po_total_calculated', 'currency')
-        f.set_type('invoice_unit_cost', 'currency')
-        f.set_type('catalog_unit_cost', 'currency')
 
         # upc
         f.set_type('upc', 'gpc')