1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 51ec439f75ad..0c3d9e144891 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -180,7 +180,6 @@ enum {
                                             /* (doesn't imply presence) */
         ATA_FLAG_SATA           = (1 << 1),
         ATA_FLAG_NO_LEGACY      = (1 << 2), /* no legacy mode check */
-        ATA_FLAG_MMIO           = (1 << 3), /* use MMIO, not PIO */
         ATA_FLAG_NO_ATAPI       = (1 << 6), /* No ATAPI support */
         ATA_FLAG_PIO_DMA        = (1 << 7), /* PIO cmds via DMA */
         ATA_FLAG_PIO_LBA48      = (1 << 8), /* Host DMA engine is LBA28 only */