diff --git a/src/client.rs b/src/client.rs
deleted file mode 100644
index 64746b39..00000000
--- a/src/client.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-use std::fmt::Debug;
-use std::future::Future;
-use std::pin::Pin;
-
-use crate::{Request, Response, Result};
-
-type BoxFuture<'a, T> = Pin<Box<dyn Future<Output = T> + 'a + Send>>;
-
-/// An HTTP client.
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
-pub trait Client: Debug + Unpin + Send + Sync + Clone + 'static {
-    /// Send an HTTP request from the client.
-    fn send_req(&self, req: Request) -> BoxFuture<'static, Result<Response>>;
-}
diff --git a/src/lib.rs b/src/lib.rs
index d0554c59..2a9c3f87 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -135,13 +135,6 @@ mod version;
 pub mod trace;
 cfg_unstable! {
     pub mod upgrade;
-
-    mod client;
-    mod server;
-
-    pub use client::Client;
-    pub use server::Server;
-
 }
 
 pub use body::Body;
diff --git a/src/server.rs b/src/server.rs
deleted file mode 100644
index 15b0a537..00000000
--- a/src/server.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-use std::fmt::Debug;
-use std::future::Future;
-use std::pin::Pin;
-
-use crate::{Request, Response, Result};
-
-type BoxFuture<'a, T> = Pin<Box<dyn Future<Output = T> + 'a + Send>>;
-
-/// An HTTP server.
-#[cfg(feature = "unstable")]
-#[cfg_attr(feature = "docs", doc(cfg(unstable)))]
-pub trait Server: Debug + Unpin + Send + Sync + Clone + 'static {
-    /// Receive an HTTP request on the server.
-    fn recv_req(&self, req: Request) -> BoxFuture<'static, Result<Response>>;
-}