diff --git a/Software/Development/OperatingSystem/Linux/KernelDriver/Demo/Misc/Makefile b/Software/Development/OperatingSystem/Linux/KernelDriver/Demo/Misc/Makefile
deleted file mode 100644
index b6289c4..0000000
--- a/Software/Development/OperatingSystem/Linux/KernelDriver/Demo/Misc/Makefile
+++ /dev/null
@@ -1,14 +0,0 @@
-obj-m:= \
-    demomisc.o
-
-demomisc-objs:= \
-	demo_misc.o
-
-EXTRA_CFLAGS += \
-    -I$(PWD)
-
-all:
-	$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
-
-clean:
-	$(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
\ No newline at end of file
diff --git a/Software/Development/OperatingSystem/Linux/KernelDriver/Demo/Misc/demo_misc.c b/Software/Development/OperatingSystem/Linux/KernelDriver/Demo/Misc/demo_misc.c
deleted file mode 100644
index a0a58bc..0000000
--- a/Software/Development/OperatingSystem/Linux/KernelDriver/Demo/Misc/demo_misc.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/**
- * @file    demo_misc.c
- * @author  your name (you@domain.com)
- * @brief 
- * @version 0.1
- * @date    2019-10-15
- * 
- * @copyright Copyright (c) 2019
- * 
- */
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/miscdevice.h>
-#include <linux/uaccess.h>
-
-MODULE_AUTHOR("Rick Chan");
-MODULE_LICENSE("GPL");
-
-#define IOCTL_IOC_SIZE 8
-#define IOCTL_IOC   _IOC(_IOC_READ|_IOC_WRITE, 0, 0, IOCTL_IOC_SIZE)
-#define IOCTL_IO    _IO(0, 1)
-#define IOCTL_IOR   _IOR(0, 2, uint16_t)
-#define IOCTL_IOW   _IOW(0, 3, int32_t)
-#define IOCTL_IOWR  _IOWR(0, 4, uint32_t)
-
-static int demo_open(struct inode *inode, struct file* filp)
-{
-    return 0;
-}
-
-static int demo_release(struct inode *inode, struct file* filp)
-{
-    return 0;
-}
-
-static loff_t demo_llseek(struct file *filp, loff_t offset, int origin)
-{
-    return filp->f_pos;
-}
-
-static ssize_t demo_read(struct file *filp, char __user *buffer, size_t count, loff_t *offset)
-{
-    const char __user *p = buffer;
-    return p-buffer;
-}
-
-static ssize_t demo_write(struct file *filp, const char __user *buffer, size_t count, loff_t *offset)
-{
-    const char __user *p = buffer;
-    return p-buffer;
-}
-
-static long demo_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-    switch(cmd)
-    {
-    case IOCTL_IOC:
-    {
-        uint8_t tmp[IOCTL_IOC_SIZE];
-        copy_from_user(&tmp, (void*)arg, _IOC_SIZE(cmd));
-        copy_to_user((void*)arg, &tmp, _IOC_SIZE(cmd));
-    }
-        break;
-    case IOCTL_IO:
-        break;
-    case IOCTL_IOR:
-    {
-        uint16_t tmp = 0x55AA;
-        copy_to_user((void*)arg, &tmp, _IOC_SIZE(cmd));
-    }
-        break;
-    case IOCTL_IOW:
-    {
-        int32_t tmp = 0;
-        copy_from_user(&tmp, (void*)arg, _IOC_SIZE(cmd));
-    }
-        break;
-    case IOCTL_IOWR:
-    {
-        uint32_t tmp = 0;
-        copy_from_user(&tmp, (void*)arg, _IOC_SIZE(cmd));
-        copy_to_user((void*)arg, &tmp, _IOC_SIZE(cmd));
-    }
-        break;
-    default:
-        return -ENOIOCTLCMD;
-    }
-    return 0;
-}
-
-static int demo_mmap(struct file* filp, struct vm_area_struct* vma)
-{
-    return 0;
-}
-
-static struct file_operations demo_fops = {
-    .owner          = THIS_MODULE,
-    .open           = demo_open,
-    .release        = demo_release,
-    .llseek         = demo_llseek,
-    .read           = demo_read,
-    .write          = demo_write,
-    .unlocked_ioctl = demo_ioctl,
-    .mmap           = demo_mmap
-};
-
-static struct miscdevice demo_dev = {
-    .minor  = MISC_DYNAMIC_MINOR,   // Dynamically allocate minor.
-    .name   = "demo_misc",
-    .fops   = &demo_fops,
-};
-
-static int __init demo_init(void)
-{
-    misc_register(&demo_dev);
-    return 0;
-}
-
-static void __exit demo_exit(void)
-{
-    misc_deregister(&demo_dev);
-}
-
-module_init(demo_init);
-module_exit(demo_exit);
\ No newline at end of file