Not right place for this perhaps

src/engine/net/client/handlers/ItemProductionMsgHandler.java

@@ -381,13 +381,6 @@ public class ItemProductionMsgHandler extends AbstractClientMsgHandler {
                 workOrder.cooking.remove(targetItem);
                 ForgeManager.vendorItemLookup.get(workOrder.vendor).remove(targetItem);
 
-                // Update workOrder to reflect canceled slot
-
-                workOrder.slots_used = workOrder.slots_used - 1;
-
-                if (workOrder.slots_used == 0)
-                    workOrder.runCanceled = true;
-
                 // Refresh vendor's inventory to client
 
                 outMsg = new ManageNPCMsg(vendor);