diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index 71f4df2ef65499d84481441be24015f3b0c17398..4fed592619523ba3dfc08576bbb492b922acc30a 100644
--- a/drivers/pci/msi.h
+++ b/drivers/pci/msi.h
@@ -19,18 +19,12 @@
 	( (is64bit == 1) ? base+PCI_MSI_DATA_64 : base+PCI_MSI_DATA_32 )
 #define msi_mask_bits_reg(base, is64bit) \
 	( (is64bit == 1) ? base+PCI_MSI_MASK_BIT : base+PCI_MSI_MASK_BIT-4)
-#define msi_disable(control)		control &= ~PCI_MSI_FLAGS_ENABLE
 #define is_64bit_address(control)	(!!(control & PCI_MSI_FLAGS_64BIT))
 #define is_mask_bit_support(control)	(!!(control & PCI_MSI_FLAGS_MASKBIT))
 
 #define msix_table_offset_reg(base)	(base + 0x04)
 #define msix_pba_offset_reg(base)	(base + 0x08)
-#define msix_enable(control)	 	control |= PCI_MSIX_FLAGS_ENABLE
-#define msix_disable(control)	 	control &= ~PCI_MSIX_FLAGS_ENABLE
 #define msix_table_size(control) 	((control & PCI_MSIX_FLAGS_QSIZE)+1)
-#define multi_msix_capable		msix_table_size
-#define msix_unmask(address)	 	(address & ~PCI_MSIX_FLAGS_BITMASK)
-#define msix_mask(address)		(address | PCI_MSIX_FLAGS_BITMASK)
-#define msix_is_pending(address) 	(address & PCI_MSIX_FLAGS_PENDMASK)
+#define multi_msix_capable(control)	msix_table_size((control))
 
 #endif /* MSI_H */
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 616bf8b3c8b548707a84b6579b0d31d7f3b840ee..dcba7668e0cdd1e28121682602a994a443376456 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -304,7 +304,6 @@
 #define  PCI_MSIX_FLAGS_ENABLE	(1 << 15)
 #define  PCI_MSIX_FLAGS_MASKALL	(1 << 14)
 #define PCI_MSIX_FLAGS_BIRMASK	(7 << 0)
-#define PCI_MSIX_FLAGS_BITMASK	(1 << 0)
 
 /* CompactPCI Hotswap Register */