diff --git a/actix-http/examples/actix-web.rs b/actix-http/examples/actix-web.rs
index 449e5899b..e07abfd97 100644
--- a/actix-http/examples/actix-web.rs
+++ b/actix-http/examples/actix-web.rs
@@ -1,10 +1,10 @@
 use actix_http::HttpService;
 use actix_server::Server;
 use actix_service::map_config;
-use actix_web::{dev::AppConfig, get, App};
+use actix_web::{dev::AppConfig, get, App, Responder};
 
 #[get("/")]
-async fn index() -> &'static str {
+async fn index() -> impl Responder {
     "Hello, world. From Actix Web!"
 }
 
diff --git a/actix-http/examples/echo.rs b/actix-http/examples/echo.rs
index ae6f00cce..11fd2750e 100644
--- a/actix-http/examples/echo.rs
+++ b/actix-http/examples/echo.rs
@@ -23,7 +23,7 @@ async fn main() -> io::Result<()> {
                         body.extend_from_slice(&item?);
                     }
 
-                    info!("request body: {:?}", body);
+                    info!("request body: {body:?}");
 
                     let res = Response::build(StatusCode::OK)
                         .insert_header(("x-head", HeaderValue::from_static("dummy value!")))
@@ -31,8 +31,7 @@ async fn main() -> io::Result<()> {
 
                     Ok::<_, Error>(res)
                 })
-                // No TLS
-                .tcp()
+                .tcp() // No TLS
         })?
         .run()
         .await
diff --git a/actix-http/examples/hello-world.rs b/actix-http/examples/hello-world.rs
index cf10beddf..afa3883a4 100644
--- a/actix-http/examples/hello-world.rs
+++ b/actix-http/examples/hello-world.rs
@@ -17,7 +17,7 @@ async fn main() -> io::Result<()> {
                     ext.insert(42u32);
                 })
                 .finish(|req: Request| async move {
-                    info!("{:?}", req);
+                    info!("{req:?}");
 
                     let mut res = Response::build(StatusCode::OK);
                     res.insert_header(("x-head", HeaderValue::from_static("dummy value!")));
diff --git a/actix-http/examples/streaming-error.rs b/actix-http/examples/streaming-error.rs
index 8c8a249cb..39f214fa1 100644
--- a/actix-http/examples/streaming-error.rs
+++ b/actix-http/examples/streaming-error.rs
@@ -22,16 +22,16 @@ async fn main() -> io::Result<()> {
         .bind("streaming-error", ("127.0.0.1", 8080), || {
             HttpService::build()
                 .finish(|req| async move {
-                    info!("{:?}", req);
+                    info!("{req:?}");
                     let res = Response::ok();
 
                     Ok::<_, Infallible>(res.set_body(BodyStream::new(stream! {
                         yield Ok(Bytes::from("123"));
                         yield Ok(Bytes::from("456"));
 
-                        actix_rt::time::sleep(Duration::from_millis(1000)).await;
+                        actix_rt::time::sleep(Duration::from_secs(1)).await;
 
-                        yield Err(io::Error::new(io::ErrorKind::Other, ""));
+                        yield Err(io::Error::new(io::ErrorKind::Other, "abc"));
                     })))
                 })
                 .tcp()
diff --git a/actix-http/examples/ws.rs b/actix-http/examples/ws.rs
index fb86bc5ea..af83e4c3d 100644
--- a/actix-http/examples/ws.rs
+++ b/actix-http/examples/ws.rs
@@ -17,7 +17,6 @@ use bytes::{Bytes, BytesMut};
 use bytestring::ByteString;
 use futures_core::{ready, Stream};
 use tokio_util::codec::Encoder;
-use tracing::{info, trace};
 
 #[actix_rt::main]
 async fn main() -> io::Result<()> {
@@ -37,12 +36,12 @@ async fn main() -> io::Result<()> {
 }
 
 async fn handler(req: Request) -> Result<Response<BodyStream<Heartbeat>>, Error> {
-    info!("handshaking");
+    tracing::info!("handshaking");
     let mut res = ws::handshake(req.head())?;
 
     // handshake will always fail under HTTP/2
 
-    info!("responding");
+    tracing::info!("responding");
     res.message_body(BodyStream::new(Heartbeat::new(ws::Codec::new())))
 }
 
@@ -64,7 +63,7 @@ impl Stream for Heartbeat {
     type Item = Result<Bytes, Error>;
 
     fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
-        trace!("poll");
+        tracing::trace!("poll");
 
         ready!(self.as_mut().interval.poll_tick(cx));
 
diff --git a/actix-web/src/test/mod.rs b/actix-web/src/test/mod.rs
index 701771588..86cb60956 100644
--- a/actix-web/src/test/mod.rs
+++ b/actix-web/src/test/mod.rs
@@ -2,7 +2,6 @@
 //!
 //! # Initializing A Test Service
 //! - [`init_service`]
-//! - [`try_init_service`]
 //!
 //! # Off-The-Shelf Test Services
 //! - [`ok_service`]