1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c
index 5770c7755a62..0ab300cda9b7 100644
--- a/drivers/ata/pata_opti.c
+++ b/drivers/ata/pata_opti.c
@@ -210,7 +210,6 @@ static struct ata_port_operations opti_port_ops = {
         .irq_handler    = ata_interrupt,
         .irq_clear      = ata_bmdma_irq_clear,
         .irq_on         = ata_irq_on,
-        .irq_ack        = ata_irq_ack,
 
         .port_start     = ata_port_start,
 };