diff --git a/foo.c b/foo.c
deleted file mode 100644
index b521292..0000000
--- a/foo.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-
-int main(void) {
-  char *foo = malloc(20);
-  snprintf(foo, 5, "%s", "1234");
-  char *bar = foo;
-  *foo++ = *bar++;
-  printf("%s\n", foo);
-  return 0;
-}