diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 8ff59509585cde89a3edf00b1462d2aaa4639e98..1a6562b94bf75e8fb68452341659bb6d21f3988c 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -195,12 +195,6 @@
  *      rely on phase mismatch and EOP interrupts to determine end 
  *      of phase.
  *
- * UNSAFE - leave interrupts enabled during pseudo-DMA transfers.  You
- *          only really want to use this if you're having a problem with
- *          dropped characters during high speed communications, and even
- *          then, you're going to be better off twiddling with transfersize
- *          in the high level code.
- *
  * Defaults for these will be provided although the user may want to adjust 
  * these to allocate CPU resources to the SCSI driver or "real" code.
  * 
@@ -553,9 +547,6 @@ static void prepare_info(struct Scsi_Host *instance)
 #endif
 #ifdef PSEUDO_DMA
 	         "PSEUDO_DMA "
-#endif
-#ifdef UNSAFE
-	         "UNSAFE "
 #endif
 	         "");
 }
@@ -1582,9 +1573,6 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase
 	 * before the setting of DMA mode to after transfer of the last byte.
 	 */
 
-#if defined(PSEUDO_DMA) && defined(UNSAFE)
-	spin_unlock_irq(instance->host_lock);
-#endif
 	/* KLL May need eop and parity in 53c400 */
 	if (hostdata->flags & FLAG_NCR53C400)
 		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE |
@@ -1793,9 +1781,6 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase
 	*data = d + c;
 	*count = 0;
 	*phase = NCR5380_read(STATUS_REG) & PHASE_MASK;
-#if defined(PSEUDO_DMA) && defined(UNSAFE)
-	spin_lock_irq(instance->host_lock);
-#endif				/* defined(REAL_DMA_POLL) */
 	return foo;
 #endif				/* def REAL_DMA */
 }
diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c
index 010d9b13aae7d20a369ba1158b0d9b09915fccfc..60bffb34ecfba44febfd6fdb047b8d140f95c12b 100644
--- a/drivers/scsi/dtc.c
+++ b/drivers/scsi/dtc.c
@@ -1,7 +1,5 @@
-
 #define PSEUDO_DMA
 #define DONT_USE_INTR
-#define UNSAFE			/* Leave interrupts enabled during pseudo-dma I/O */
 #define DMA_WORKS_RIGHT
 
 
diff --git a/drivers/scsi/pas16.c b/drivers/scsi/pas16.c
index 5e57ee01093c12b8ec47f57cd6f47c06c8d65115..4570536187d8a7ec7ab82f104d4da50e3b4a2c29 100644
--- a/drivers/scsi/pas16.c
+++ b/drivers/scsi/pas16.c
@@ -1,5 +1,4 @@
 #define PSEUDO_DMA
-#define UNSAFE  /* Not unsafe for PAS16 -- use it */
 
 /*
  * This driver adapted from Drew Eckhardt's Trantor T128 driver