diff --git a/src/app_service.rs b/src/app_service.rs
index 1a4a22b8..c483a119 100644
--- a/src/app_service.rs
+++ b/src/app_service.rs
@@ -448,7 +448,7 @@ mod tests {
                     .service(web::resource("/test").to(|| HttpResponse::Ok())),
             );
             let req = test::TestRequest::with_uri("/test").to_request();
-            let resp = test::block_on(app.call(req)).unwrap();
+            let _ = test::block_on(app.call(req)).unwrap();
         }
         assert!(data.load(Ordering::Relaxed));
     }
diff --git a/src/lib.rs b/src/lib.rs
index b578d87c..f84dbd5b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -151,6 +151,7 @@ pub mod dev {
     };
     pub use actix_router::{Path, ResourceDef, ResourcePath, Url};
     pub use actix_server::Server;
+    pub use actix_service::{Service, Transform};
 
     pub(crate) fn insert_slash(path: &str) -> String {
         let mut path = path.to_owned();