diff --git a/drivers/staging/comedi/drivers/addi_apci_1564.c b/drivers/staging/comedi/drivers/addi_apci_1564.c
index fe42f9d8f1d1..9962c28a0de0 100644
--- a/drivers/staging/comedi/drivers/addi_apci_1564.c
+++ b/drivers/staging/comedi/drivers/addi_apci_1564.c
@@ -65,15 +65,8 @@ static int apci1564_auto_attach(struct comedi_device *dev,
 	if (ret)
 		return ret;
 
-	if (this_board->i_IorangeBase1)
-		dev->iobase = pci_resource_start(pcidev, 1);
-	else
-		dev->iobase = pci_resource_start(pcidev, 0);
-
-	devpriv->iobase = dev->iobase;
+	dev->iobase = pci_resource_start(pcidev, 1);
 	devpriv->i_IobaseAmcc = pci_resource_start(pcidev, 0);
-	devpriv->i_IobaseAddon = pci_resource_start(pcidev, 2);
-	devpriv->i_IobaseReserved = pci_resource_start(pcidev, 3);
 
 	/* Initialize parameters that can be overridden in EEPROM */
 	devpriv->s_EeParameters.i_NbrAiChannel = this_board->i_NbrAiChannel;