diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
index e58b9a46e1b14a0a8274479de290872ef28063fd..35d2ed6396f60dba7bb02777000a503b192c5a6c 100644
--- a/arch/mn10300/include/asm/pci.h
+++ b/arch/mn10300/include/asm/pci.h
@@ -70,10 +70,6 @@ struct pci_dev;
  */
 #define PCI_DMA_BUS_IS_PHYS	(1)
 
-
-/* This is always fine. */
-#define pci_dac_dma_supported(pci_dev, mask)	(0)
-
 /* Return the index of the PCI controller for device. */
 static inline int pci_controller_num(struct pci_dev *dev)
 {