diff --git a/src/server/conn/auto/mod.rs b/src/server/conn/auto/mod.rs
index 7b887ce..1c43643 100644
--- a/src/server/conn/auto/mod.rs
+++ b/src/server/conn/auto/mod.rs
@@ -80,7 +80,7 @@ impl<E> Builder<E> {
     ///
     /// # Example
     ///
-    /// ```
+    /// ```ignore
     /// use hyper_util::{
     ///     rt::TokioExecutor,
     ///     server::conn::auto,
@@ -1125,7 +1125,7 @@ impl<E> Http2Builder<'_, E> {
     }
 }
 
-#[cfg(test)]
+#[cfg(all(test, feature = "tokio"))]
 mod tests {
     use crate::{
         rt::{TokioExecutor, TokioIo},
diff --git a/tests/legacy_client.rs b/tests/legacy_client.rs
index f0ff90c..e153e23 100644
--- a/tests/legacy_client.rs
+++ b/tests/legacy_client.rs
@@ -1,3 +1,9 @@
+#![cfg(all(
+    // eponymous of this test module
+    feature = "client-legacy",
+    // $crate::client::legacy::Client
+    any(feature = "http1", feature = "http2"),
+))]
 mod test_utils;
 
 use std::io::{Read, Write};
@@ -20,8 +26,8 @@ use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use hyper::body::Bytes;
 use hyper::body::Frame;
 use hyper::Request;
-use hyper_util::client::legacy::connect::{capture_connection, HttpConnector};
-use hyper_util::client::legacy::Client;
+use hyper_util::client::legacy::{connect::{capture_connection, HttpConnector}, Client };
+#[cfg(feature = "tokio")]
 use hyper_util::rt::{TokioExecutor, TokioIo};
 
 use test_utils::{DebugConnector, DebugStream};
@@ -39,6 +45,7 @@ fn s(buf: &[u8]) -> &str {
 
 #[cfg(not(miri))]
 #[test]
+#[cfg(feature = "tokio")]
 fn drop_body_before_eof_closes_connection() {
     // https://github.com/hyperium/hyper/issues/1353
     let _ = pretty_env_logger::try_init();
@@ -87,6 +94,7 @@ fn drop_body_before_eof_closes_connection() {
 
 #[cfg(not(miri))]
 #[tokio::test]
+#[cfg(feature = "tokio")]
 async fn drop_client_closes_idle_connections() {
     let _ = pretty_env_logger::try_init();
 
@@ -883,6 +891,7 @@ fn client_http2_upgrade() {
 
 #[cfg(not(miri))]
 #[test]
+#[cfg(feature = "tokio")]
 fn alpn_h2() {
     use http::Response;
     use hyper::service::service_fn;
diff --git a/tests/proxy.rs b/tests/proxy.rs
index 95f4bc2..5135d47 100644
--- a/tests/proxy.rs
+++ b/tests/proxy.rs
@@ -1,3 +1,4 @@
+#![cfg(all(feature = "client-legacy",))]
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use tokio::net::{TcpListener, TcpStream};
 use tower_service::Service;
diff --git a/tests/test_utils/mod.rs b/tests/test_utils/mod.rs
index df3a65d..0f434f6 100644
--- a/tests/test_utils/mod.rs
+++ b/tests/test_utils/mod.rs
@@ -2,20 +2,26 @@ use std::pin::Pin;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Arc;
 
+#[cfg(feature = "client")]
 use futures_channel::mpsc;
 use futures_util::task::{Context, Poll};
 use futures_util::Future;
 use futures_util::TryFutureExt;
 use hyper::Uri;
 use tokio::io::{self, AsyncRead, AsyncWrite, ReadBuf};
+#[cfg(feature = "tokio")]
 use tokio::net::TcpStream;
 
 use hyper::rt::ReadBufCursor;
 
-use hyper_util::client::legacy::connect::HttpConnector;
-use hyper_util::client::legacy::connect::{Connected, Connection};
+#[cfg(feature = "client-legacy")]
+use hyper_util::client::legacy::connect::{HttpConnector, Connected, Connection};
+#[cfg(feature = "tokio")]
 use hyper_util::rt::TokioIo;
 
+#[cfg(feature = "client-legacy")]
+mod debug_connector {
+use super::*;
 #[derive(Clone)]
 pub struct DebugConnector {
     pub http: HttpConnector,
@@ -71,12 +77,18 @@ impl tower_service::Service<Uri> for DebugConnector {
         }))
     }
 }
+}
+#[cfg(feature = "client-legacy")]
+pub use debug_connector::*;
 
+#[cfg(all(feature = "client", feature = "tokio"))]
+mod debug_stream {
+use super::*;
 pub struct DebugStream {
-    tcp: TokioIo<TcpStream>,
-    on_drop: mpsc::Sender<()>,
-    is_alpn_h2: bool,
-    is_proxy: bool,
+    pub(super) tcp: TokioIo<TcpStream>,
+    pub(super) on_drop: mpsc::Sender<()>,
+    pub(super) is_alpn_h2: bool,
+    pub(super) is_proxy: bool,
 }
 
 impl Drop for DebugStream {
@@ -173,3 +185,7 @@ impl AsyncRead for DebugStream {
         Pin::new(self.tcp.inner_mut()).poll_read(cx, buf)
     }
 }
+}
+#[cfg(all(feature = "client", feature = "tokio"))]
+pub use debug_stream::*;
+