diff --git a/lldb/lit/Driver/Inputs/hello.c b/lldb/lit/Driver/Inputs/hello.c
index 60d6f7587fdc..ad8e6f39fa89 100644
--- a/lldb/lit/Driver/Inputs/hello.c
+++ b/lldb/lit/Driver/Inputs/hello.c
@@ -1,4 +1,4 @@
-#include <stdio.h>
+int printf(const char *format, ...);
 
 int main(int argc, char **argv) {
   printf("Hello World\n");