1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index 12691f091933..d5cbd16629ad 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -267,7 +267,6 @@ static const struct ata_port_operations pdc_20621_ops = {
         .eng_timeout            = pdc_eng_timeout,
         .irq_clear              = pdc20621_irq_clear,
         .irq_on                 = ata_irq_on,
-        .irq_ack                = ata_irq_ack,
         .port_start             = pdc_port_start,
 };