1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c
index 36c964b9e7da..8a82fcd4fa31 100644
--- a/drivers/ata/pata_mpiix.c
+++ b/drivers/ata/pata_mpiix.c
@@ -190,7 +190,6 @@ static struct ata_port_operations mpiix_port_ops = {
 
         .irq_clear      = ata_bmdma_irq_clear,
         .irq_on         = ata_irq_on,
-        .irq_ack        = ata_irq_ack,
 
         .port_start     = ata_port_start,
 };