diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c
index 8f8db5f..2b402fa 100644
--- a/drivers/scsi/aic7xxx_old.c
+++ b/drivers/scsi/aic7xxx_old.c
@@ -10293,7 +10293,6 @@
   aic7xxx_position(cmd) = scb->hscb->tag;
   cmd->scsi_done = fn;
   cmd->result = DID_OK;
-  memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
   aic7xxx_error(cmd) = DID_OK;
   aic7xxx_status(cmd) = 0;
   cmd->host_scribble = NULL;
diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index 9579507..b5a6092 100644
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -369,7 +369,6 @@
 	cp = &hd->ccb[y];
 
 	memset(cp, 0, sizeof(struct eata_ccb));
-	memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
 
 	cp->status = USED;	/* claim free slot */
 
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index e54d30c..b1b2295 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -2736,8 +2736,6 @@
 		SC->result = DID_OK;
 		SC->host_scribble = NULL;
 
-		memset(SC->sense_buffer, 0, sizeof (SC->sense_buffer));
-
 		scb->target_id = SC->device->id;
 		scb->lun = SC->device->lun;
 		scb->bus = SC->device->channel;
@@ -3821,7 +3819,6 @@
 			/* attempted, a Check Condition occurred, and Sense   */
 			/* Data indicating an Invalid CDB OpCode is returned. */
 			sp = (char *) scb->scsi_cmd->sense_buffer;
-			memset(sp, 0, sizeof (scb->scsi_cmd->sense_buffer));
 
 			sp[0] = 0x70;	/* Error Code               */
 			sp[2] = ILLEGAL_REQUEST;	/* Sense Key 5 Illegal Req. */
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 828fed1..9c04225 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -148,7 +148,6 @@
 	if (!task)
 		return NULL;
 
-	*(u32 *)cmd->sense_buffer = 0;
 	task->uldd_task = cmd;
 	ASSIGN_SAS_TASK(cmd, task);