diff --git a/viz/src/lib.rs b/viz/src/lib.rs
index 2d8e2178..6332174c 100644
--- a/viz/src/lib.rs
+++ b/viz/src/lib.rs
@@ -84,10 +84,9 @@
 //!     type Output = Result<Response>;
 //!
 //!     async fn call(&self, req: Request) -> Self::Output  {
-//!         let code = self.code.clone();
 //!         let path = req.path();
 //!         let method = req.method().clone();
-//!         let code = code.fetch_add(1, Ordering::SeqCst);
+//!         let code = self.code.fetch_add(1, Ordering::SeqCst);
 //!         Ok(format!("code = {}, method = {}, path = {}", code, method, path).into_response())
 //!     }
 //! }
@@ -190,7 +189,7 @@
 //!
 //! async fn around<H>((req, handler): Next<Request, H>) -> Result<Response>
 //! where
-//!     H: Handler<Request, Output = Result<Response>> + Clone,
+//!     H: Handler<Request, Output = Result<Response>>,
 //! {
 //!     // before ...
 //!     let result = handler.call(req).await;
@@ -240,7 +239,7 @@
 //! // middleware fn
 //! async fn around<H>((req, handler): Next<Request, H>) -> Result<Response>
 //! where
-//!     H: Handler<Request, Output = Result<Response>> + Clone,
+//!     H: Handler<Request, Output = Result<Response>>,
 //! {
 //!     // before ...
 //!     let result = handler.call(req).await;
@@ -255,7 +254,7 @@
 //! #[async_trait]
 //! impl<H> Handler<Next<Request, H>> for MyMiddleware
 //! where
-//!     H: Handler<Request> + Clone,
+//!     H: Handler<Request>,
 //! {
 //!     type Output = H::Output;
 //!
@@ -290,7 +289,7 @@
 //! #[async_trait]
 //! impl<H> Handler<Request> for TimeoutMiddleware<H>
 //! where
-//!     H: Handler<Request> + Clone,
+//!     H: Handler<Request>,
 //! {
 //!     type Output = H::Output;
 //!
diff --git a/viz/src/responder.rs b/viz/src/responder.rs
index 92a74c28..624933cc 100644
--- a/viz/src/responder.rs
+++ b/viz/src/responder.rs
@@ -52,12 +52,11 @@ where
             params: route.params().into(),
         }));
 
-        let req = req.map(Body::Incoming);
         let handler = handler.clone();
 
         Box::pin(async move {
             Ok(handler
-                .call(req)
+                .call(req.map(Body::Incoming))
                 .await
                 .unwrap_or_else(IntoResponse::into_response))
         })