diff --git a/viz-core/src/middleware.rs b/viz-core/src/middleware.rs
index a9205180..577c2170 100644
--- a/viz-core/src/middleware.rs
+++ b/viz-core/src/middleware.rs
@@ -11,7 +11,7 @@ pub mod limits;
 #[cfg(feature = "session")]
 pub mod session;
 
-#[cfg(feature = "otel")]
+#[cfg(all(feature = "params", feature = "otel"))]
 pub mod otel;
 
 #[cfg(feature = "cookie")]
diff --git a/viz-core/src/middleware/helper.rs b/viz-core/src/middleware/helper.rs
index 351729aa..2733bfb8 100644
--- a/viz-core/src/middleware/helper.rs
+++ b/viz-core/src/middleware/helper.rs
@@ -131,7 +131,7 @@ pub trait Cookieable {
 
     /// Gets a cookie from the cookies.
     fn get_cookie<'a>(&'a self, cookies: &'a Cookies) -> Option<Cookie<'a>> {
-        cookies.get(self.options().name);
+        cookies.get(self.options().name)
     }
 
     /// Deletes a cookie from the cookies.
diff --git a/viz-core/src/request.rs b/viz-core/src/request.rs
index 19d795cf..44d1fd87 100644
--- a/viz-core/src/request.rs
+++ b/viz-core/src/request.rs
@@ -1,13 +1,16 @@
-use std::{mem::replace, sync::Arc};
+use std::mem::replace;
 
 use crate::{
     async_trait, header,
-    types::{PayloadError, RealIp, RouteInfo},
+    types::{PayloadError, RealIp},
     Bytes, FromRequest, Incoming, IncomingBody, Request, Result,
 };
 use headers::HeaderMapExt;
 use http_body_util::{BodyExt, Collected};
 
+#[cfg(any(feature = "params", feature = "multipart"))]
+use std::sync::Arc;
+
 #[cfg(feature = "limits")]
 use crate::types::Limits;
 #[cfg(feature = "limits")]
@@ -32,7 +35,7 @@ use crate::types::{Cookie, Cookies, CookiesError};
 use crate::types::Session;
 
 #[cfg(feature = "params")]
-use crate::types::{ParamsError, PathDeserializer};
+use crate::types::{ParamsError, PathDeserializer, RouteInfo};
 
 /// The [Request] Extension.
 #[async_trait]
@@ -185,6 +188,7 @@ pub trait RequestExt: Sized {
         T::Err: std::fmt::Display;
 
     /// Get current route.
+    #[cfg(feature = "params")]
     fn route_info(&self) -> &Arc<RouteInfo>;
 
     /// Get remote addr.
@@ -435,6 +439,7 @@ impl RequestExt for Request {
         self.extensions().get()
     }
 
+    #[cfg(feature = "params")]
     fn route_info(&self) -> &Arc<RouteInfo> {
         self.extensions().get().expect("should get current route")
     }
diff --git a/viz-core/src/types.rs b/viz-core/src/types.rs
index f00d9130..06c438d2 100644
--- a/viz-core/src/types.rs
+++ b/viz-core/src/types.rs
@@ -59,12 +59,15 @@ mod websocket;
 #[cfg(feature = "websocket")]
 pub use websocket::{Message, WebSocket, WebSocketConfig, WebSocketError, WebSocketStream};
 
+#[cfg(feature = "params")]
+mod route_info;
+#[cfg(feature = "params")]
+pub use route_info::RouteInfo;
+
 mod header;
 mod payload;
 mod realip;
-mod route_info;
 
 pub use header::{Header, HeaderError};
 pub use payload::{Payload, PayloadError};
 pub use realip::RealIp;
-pub use route_info::RouteInfo;
diff --git a/viz-test/src/lib.rs b/viz-test/src/lib.rs
index d4440d0d..169d06f8 100644
--- a/viz-test/src/lib.rs
+++ b/viz-test/src/lib.rs
@@ -1,7 +1,7 @@
 use reqwest::Client;
 use std::{net::SocketAddr, sync::Arc};
 use tokio::net::TcpListener;
-use viz::{server::conn::http1, Error, Io, Responder, Result, Router, Tree};
+use viz::{serve, Error, Result, Router, Tree};
 
 pub use nano_id;
 pub use sessions;
@@ -63,13 +63,6 @@ async fn run(listener: TcpListener, tree: Arc<Tree>) -> Result<()> {
     loop {
         let (stream, addr) = listener.accept().await?;
         let tree = tree.clone();
-        tokio::task::spawn(async move {
-            if let Err(err) = http1::Builder::new()
-                .serve_connection(Io::new(stream), Responder::new(tree, Some(addr)))
-                .await
-            {
-                eprintln!("Error while serving HTTP connection: {err}");
-            }
-        });
+        tokio::task::spawn(serve(stream, tree, Some(addr)));
     }
 }
diff --git a/viz/src/lib.rs b/viz/src/lib.rs
index d30d7956..2e7d912d 100644
--- a/viz/src/lib.rs
+++ b/viz/src/lib.rs
@@ -535,7 +535,9 @@ mod responder;
 #[cfg(any(feature = "http1", feature = "http2"))]
 pub use responder::Responder;
 
+#[cfg(any(feature = "http1", feature = "http2"))]
 mod serve;
+#[cfg(any(feature = "http1", feature = "http2"))]
 pub use serve::serve;
 
 /// TLS