diff --git a/mycat.c b/mycat.c
deleted file mode 100644
index 6a78e9d..0000000
--- a/mycat.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#define __LIBRARY__
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <stdarg.h>
-FILE __stdout;
-#define O_RDONLY	   00
-#define MSG_LEN 256
-#define MAX_NUMBER_BYTES 1024
-_syscall3(int,open,const char *,filename,int, flag,int, mode)
-_syscall3(int,write,int ,fd,const char *, buf, off_t ,count)
-_syscall3(int,read,int ,fildes,char *, buf, off_t ,count)
-_syscall0(int,sync)
-_syscall1(int,close,int,fildes)
-_syscall3(int ,vsprintf1,char *, buf, const char *, fmt, va_list ,args)
-
-static char printbuf[1024];
-int printf(const char *fmt,...)
-{
-	write(2,fmt,strlen(fmt));
-}
-int main(int argc, char **argv)
-{
-  int num, fd;
-  char msg[MSG_LEN+1];
-
-  if (argc == 1)
-    return EXIT_FAILURE;
-
-  /* open the file */
-  if ((fd=open(argv[1], O_RDONLY, 0)) < 0)
-    return EXIT_FAILURE;
-  do{
-    /* read the file */
-    if ((num = read(fd, msg, MSG_LEN)) < 0) {
-      close(fd);
-      return EXIT_FAILURE;
-    } else if (num == 0) {
-      break;
-    }
-    /* display on screen */
-    msg[num] = '\0';
-    printf( msg);
-  }while(1);
-  printf("\n");
-
-  /* exit */
-  close(fd);
-  sync();
-
-  return EXIT_SUCCESS;
-}