diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 01f1673f3297..75217828dfe3 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2091,7 +2091,6 @@ void ata_sff_drain_fifo(struct ata_queued_cmd *qc)
 						&& count < 65536; count += 2)
 		ioread16(ap->ioaddr.data_addr);
 
-	/* Can become DEBUG later */
 	if (count)
 		ata_port_dbg(ap, "drained %d bytes to clear DRQ\n", count);
 
diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index 46208ececbb6..b78f71c70f27 100644
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -855,7 +855,6 @@ static void ep93xx_pata_drain_fifo(struct ata_queued_cmd *qc)
 		     && count < 65536; count += 2)
 		ep93xx_pata_read_reg(drv_data, IDECTRL_ADDR_DATA);
 
-	/* Can become DEBUG later */
 	if (count)
 		ata_port_dbg(ap, "drained %d bytes to clear DRQ.\n", count);
 
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 91b39a6aa9f7..3d96b6faa3f0 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -479,7 +479,6 @@ static void sata_rcar_drain_fifo(struct ata_queued_cmd *qc)
 			count < 65536; count += 2)
 		ioread32(ap->ioaddr.data_addr);
 
-	/* Can become DEBUG later */
 	if (count)
 		ata_port_dbg(ap, "drained %d bytes to clear DRQ\n", count);
 }
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 145c0132b75e..c258f69106f4 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -39,25 +39,9 @@
  * compile-time options: to be removed as soon as all the drivers are
  * converted to the new debugging mechanism
  */
-#undef ATA_DEBUG		/* debugging output */
-#undef ATA_VERBOSE_DEBUG	/* yet more debugging output */
 #undef ATA_IRQ_TRAP		/* define to ack screaming irqs */
-#undef ATA_NDEBUG		/* define to disable quick runtime checks */
 
 
-/* note: prints function name for you */
-#ifdef ATA_DEBUG
-#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
-#ifdef ATA_VERBOSE_DEBUG
-#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
-#else
-#define VPRINTK(fmt, args...)
-#endif	/* ATA_VERBOSE_DEBUG */
-#else
-#define DPRINTK(fmt, args...)
-#define VPRINTK(fmt, args...)
-#endif	/* ATA_DEBUG */
-
 #define ata_print_version_once(dev, version)			\
 ({								\
 	static bool __print_once;				\