diff --git a/JJL.c b/JJL.c
deleted file mode 100644
index bf6b9f2..0000000
--- a/JJL.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include "stdio.h"
-
-int add(int a,int b)
-{
-    return a + b;
-}
-
-int multiply(int a,int b)
-{
-    return a * b;
-}
-
-int sub(int a,int b)
-{
-    return a-b;
-}
-
-void my_printf(int a)
-{
-    printf("\r\n\r\n%d\r\n\r\n",a);
-}
-
-
-int main()
-{
-    printf("hello world!");
-    return 0;
-}
\ No newline at end of file