diff --git a/rust/lib.rs b/rust/lib.rs
index 533a443..8db620a 100644
--- a/rust/lib.rs
+++ b/rust/lib.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use std::ffi::{CStr, c_char};
 
 fn say_hello(name: &str) {
@@ -21,7 +23,6 @@ extern "C" fn hello_struct(t: T) -> () {
 }
 
 #[repr(C, u8)]
-#[allow(dead_code)]
 #[derive(Debug)]
 enum Shape {
     Circle { radius: f64 },