diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index ef5b39fa042b1c51eed9ee77442b50acf1658dda..cc4be9621bc0ec04048f9811183283ece1d55e10 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -704,9 +704,6 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
 		hwif->sata_scr[SATA_STATUS_OFFSET]	= base + 0x104;
 		hwif->sata_scr[SATA_ERROR_OFFSET]	= base + 0x108;
 		hwif->sata_scr[SATA_CONTROL_OFFSET]	= base + 0x100;
-		hwif->sata_misc[SATA_MISC_OFFSET]	= base + 0x140;
-		hwif->sata_misc[SATA_PHY_OFFSET]	= base + 0x144;
-		hwif->sata_misc[SATA_IEN_OFFSET]	= base + 0x148;
 	}
 
 	memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
diff --git a/include/linux/ide.h b/include/linux/ide.h
index ad75e703d14bba05946e9d4a29b48078168af1a3..e02fd111a7ea80cf2349cc1aaf86e2d6548d0815 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -115,10 +115,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define SATA_ERROR_OFFSET	(1)
 #define SATA_CONTROL_OFFSET	(2)
 
-#define SATA_MISC_OFFSET	(0)
-#define SATA_PHY_OFFSET		(1)
-#define SATA_IEN_OFFSET		(2)
-
 /*
  * Our Physical Region Descriptor (PRD) table should be large enough
  * to handle the biggest I/O request we are likely to see.  Since requests
@@ -473,7 +469,6 @@ typedef struct hwif_s {
 		/* task file registers for pata and sata */
 	unsigned long	io_ports[IDE_NR_PORTS];
 	unsigned long	sata_scr[SATA_NR_PORTS];
-	unsigned long	sata_misc[SATA_NR_PORTS];
 
 	ide_drive_t	drives[MAX_DRIVES];	/* drive info */