diff --git a/examples/testing/src/main.rs b/examples/testing/src/main.rs
index 99cc0402..5ca2a0ce 100644
--- a/examples/testing/src/main.rs
+++ b/examples/testing/src/main.rs
@@ -33,7 +33,6 @@ async fn main() {
 
 /// Having a function that produces our app makes it easy to call it from tests
 /// without having to create an HTTP server.
-#[allow(dead_code)]
 fn app() -> Router {
     Router::new()
         .route("/", get(|| async { "Hello, World!" }))