diff --git a/drivers/w1/masters/matrox_w1.c b/drivers/w1/masters/matrox_w1.c
index 3749db8b43969253c2089419f980d5553ca140c2..97a676bf5989eba00781b1a2c6387eff4b9d53d8 100644
--- a/drivers/w1/masters/matrox_w1.c
+++ b/drivers/w1/masters/matrox_w1.c
@@ -36,7 +36,6 @@
 
 #include "../w1.h"
 #include "../w1_int.h"
-#include "../w1_log.h"
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
@@ -157,9 +156,6 @@ static int matrox_w1_probe(struct pci_dev *pdev, const struct pci_device_id *ent
 	struct matrox_device *dev;
 	int err;
 
-	assert(pdev != NULL);
-	assert(ent != NULL);
-
 	if (pdev->vendor != PCI_VENDOR_ID_MATROX || pdev->device != PCI_DEVICE_ID_MATROX_G400)
 		return -ENODEV;
 
@@ -224,8 +220,6 @@ static void matrox_w1_remove(struct pci_dev *pdev)
 {
 	struct matrox_device *dev = pci_get_drvdata(pdev);
 
-	assert(dev != NULL);
-
 	if (dev->found) {
 		w1_remove_master_device(dev->bus_master);
 		iounmap(dev->virt_addr);
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 90a3d9338fd282a5bc1c8a678c4a505544b86f70..8511d1685db9e8fb3c1dca0d2832ae641353ad4c 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -29,7 +29,6 @@
 #include <linux/atomic.h>
 
 #include "w1.h"
-#include "w1_log.h"
 #include "w1_int.h"
 #include "w1_family.h"
 #include "w1_netlink.h"
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index 2cae7b29bb5fb5b72803b9d82d65d636b130bacc..1072a2e620bb16f7546c4c0d89da27b998a3fed3 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -22,7 +22,6 @@
 #include <linux/moduleparam.h>
 
 #include "w1.h"
-#include "w1_log.h"
 #include "w1_netlink.h"
 #include "w1_int.h"
 
diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
index de8bebc278967552222d025dc143054af040a8af..1134e6b1eb023b26ea2f978c046d7796be5f69f6 100644
--- a/drivers/w1/w1_io.c
+++ b/drivers/w1/w1_io.c
@@ -19,7 +19,6 @@
 #include <linux/module.h>
 
 #include "w1.h"
-#include "w1_log.h"
 
 static int w1_delay_parm = 1;
 module_param_named(delay_coef, w1_delay_parm, int, 0);
diff --git a/drivers/w1/w1_log.h b/drivers/w1/w1_log.h
deleted file mode 100644
index dd1422b6afbb11a9fb2376621dff049378c4fc42..0000000000000000000000000000000000000000
--- a/drivers/w1/w1_log.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __W1_LOG_H
-#define __W1_LOG_H
-
-#define DEBUG
-
-#ifdef W1_DEBUG
-#  define assert(expr) do {} while (0)
-#else
-#  define assert(expr) \
-        if(unlikely(!(expr))) {				        \
-		pr_err("Assertion failed! %s,%s,%s,line=%d\n",	\
-		#expr, __FILE__, __func__, __LINE__);		\
-        }
-#endif
-
-#endif /* __W1_LOG_H */
-
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 18374cad3acee0927ce67d20a85f3f8bad2bd1bc..027950f997d12cb91642ebedf8b18e3242b798c1 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -18,7 +18,6 @@
 #include <linux/connector.h>
 
 #include "w1.h"
-#include "w1_log.h"
 #include "w1_netlink.h"
 
 #if defined(CONFIG_W1_CON) && (defined(CONFIG_CONNECTOR) || (defined(CONFIG_CONNECTOR_MODULE) && defined(CONFIG_W1_MODULE)))