diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 4ff3f03cf97bfc1d0b8878743deb22b42a708c11..dc7596f028b69437d8e833a688e15142c97675c8 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -2136,7 +2136,6 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
 	if (qc->tf.protocol == ATA_PROT_NCQ)
 		writel(1 << qc->tag, port_mmio + PORT_SCR_ACT);
 	writel(1 << qc->tag, port_mmio + PORT_CMD_ISSUE);
-	readl(port_mmio + PORT_CMD_ISSUE);	/* flush */
 
 	ahci_sw_activity(qc->dev->link);