diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index b3cdf254ce69b..d79e542791582 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -30,9 +30,6 @@
 #include <asm/itcw.h>
 #include <asm/diag.h>
 
-/* This is ugly... */
-#define PRINTK_HEADER "dasd:"
-
 #include "dasd_int.h"
 /*
  * SECTION: Constant definitions to be used within this file
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index b39c0798a110a..c59a961cfdd23 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -7,13 +7,9 @@
  *
  */
 
-#define KMSG_COMPONENT "dasd-eckd"
-
 #include <linux/timer.h>
 #include <asm/idals.h>
 
-#define PRINTK_HEADER "dasd_erp(3990): "
-
 #include "dasd_int.h"
 #include "dasd_eckd.h"
 
@@ -2700,8 +2696,7 @@ dasd_3990_erp_handle_match_erp(struct dasd_ccw_req *erp_head,
 	while (erp_done != erp) {
 
 		if (erp_done == NULL)	/* end of chain reached */
-			panic(PRINTK_HEADER "Programming error in ERP! The "
-			      "original request was lost\n");
+			panic("Programming error in ERP! The original request was lost\n");
 
 		/* remove the request from the device queue */
 		list_del(&erp_done->blocklist);
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index c9740ae88d1a6..e84cd54365563 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -6,20 +6,12 @@
  * Author(s): Stefan Weinhuber <wein@de.ibm.com>
  */
 
-#define KMSG_COMPONENT "dasd-eckd"
-
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <asm/ebcdic.h>
 #include "dasd_int.h"
 #include "dasd_eckd.h"
 
-#ifdef PRINTK_HEADER
-#undef PRINTK_HEADER
-#endif				/* PRINTK_HEADER */
-#define PRINTK_HEADER "dasd(eckd):"
-
-
 /*
  * General concept of alias management:
  * - PAV and DASD alias management is specific to the eckd discipline.
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 8a01afb5e3ce9..0316c20823eec 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -13,8 +13,6 @@
  *
  */
 
-#define KMSG_COMPONENT "dasd"
-
 #include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -24,8 +22,6 @@
 #include <linux/uaccess.h>
 #include <asm/ipl.h>
 
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_devmap:"
 #define DASD_MAX_PARAMS 256
 
 #include "dasd_int.h"
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 2e4e555b37c33..041088c7e9091 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -8,8 +8,6 @@
  *
  */
 
-#define KMSG_COMPONENT "dasd"
-
 #include <linux/kernel_stat.h>
 #include <linux/stddef.h>
 #include <linux/kernel.h>
@@ -31,8 +29,6 @@
 #include "dasd_int.h"
 #include "dasd_diag.h"
 
-#define PRINTK_HEADER "dasd(diag):"
-
 MODULE_LICENSE("GPL");
 
 /* The maximum number of blocks per request (max_blocks) is dependent on the
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index d9f776789429e..8aade17d885cc 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -10,8 +10,6 @@
  * Author.........: Nigel Hislop <hislop_nigel@emc.com>
  */
 
-#define KMSG_COMPONENT "dasd-eckd"
-
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index c956de711cf78..5064a616e041a 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -7,8 +7,6 @@
  *  Author(s): Stefan Weinhuber <wein@de.ibm.com>
  */
 
-#define KMSG_COMPONENT "dasd-eckd"
-
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/kernel.h>
@@ -28,11 +26,6 @@
 #include "dasd_int.h"
 #include "dasd_eckd.h"
 
-#ifdef PRINTK_HEADER
-#undef PRINTK_HEADER
-#endif				/* PRINTK_HEADER */
-#define PRINTK_HEADER "dasd(eer):"
-
 /*
  * SECTION: the internal buffer
  */
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index c462f01d22e38..4c0d3a704513c 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -9,8 +9,6 @@
  *
  */
 
-#define KMSG_COMPONENT "dasd"
-
 #include <linux/ctype.h>
 #include <linux/init.h>
 
@@ -18,9 +16,6 @@
 #include <asm/ebcdic.h>
 #include <linux/uaccess.h>
 
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_erp:"
-
 #include "dasd_int.h"
 
 struct dasd_ccw_req *
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 55e3abe94cde2..30e8ee583e980 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -11,8 +11,6 @@
  *
  */
 
-#define KMSG_COMPONENT "dasd"
-
 #include <linux/interrupt.h>
 #include <linux/major.h>
 #include <linux/fs.h>
@@ -20,9 +18,6 @@
 
 #include <linux/uaccess.h>
 
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_gendisk:"
-
 #include "dasd_int.h"
 
 static unsigned int queue_depth = 32;
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 61b9675e2a675..6814354a23ef2 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -10,8 +10,6 @@
  * i/o controls for the dasd driver.
  */
 
-#define KMSG_COMPONENT "dasd"
-
 #include <linux/interrupt.h>
 #include <linux/compat.h>
 #include <linux/major.h>
@@ -24,12 +22,8 @@
 #include <linux/uaccess.h>
 #include <linux/dasd_mod.h>
 
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_ioctl:"
-
 #include "dasd_int.h"
 
-
 static int
 dasd_ioctl_api_version(void __user *argp)
 {
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 62a859ea67f89..0faaa437d9be8 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -11,8 +11,6 @@
  *
  */
 
-#define KMSG_COMPONENT "dasd"
-
 #include <linux/ctype.h>
 #include <linux/slab.h>
 #include <linux/string.h>
@@ -23,9 +21,6 @@
 #include <asm/debug.h>
 #include <linux/uaccess.h>
 
-/* This is ugly... */
-#define PRINTK_HEADER "dasd_proc:"
-
 #include "dasd_int.h"
 
 static struct proc_dir_entry *dasd_proc_root_entry = NULL;