diff --git a/Cargo.toml b/Cargo.toml
index bf70636..c5f05f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ for nonblocking I/O streams.
 [dependencies]
 futures = "0.1"
 tokio-core = "0.1"
+tokio-io = "0.1"
 rustls = "0.5"
 tokio-proto = { version = "0.1", optional = true }
 
diff --git a/examples/client.rs b/examples/client.rs
index 63db56d..2643aba 100644
--- a/examples/client.rs
+++ b/examples/client.rs
@@ -1,6 +1,7 @@
 extern crate clap;
 extern crate rustls;
 extern crate futures;
+extern crate tokio_io;
 extern crate tokio_core;
 extern crate webpki_roots;
 extern crate tokio_file_unix;
@@ -11,7 +12,7 @@ use std::net::ToSocketAddrs;
 use std::io::{ BufReader, stdout, stdin };
 use std::fs;
 use futures::Future;
-use tokio_core::io::{ self, Io };
+use tokio_io::{ io, AsyncRead };
 use tokio_core::net::TcpStream;
 use tokio_core::reactor::Core;
 use clap::{ App, Arg };
@@ -71,8 +72,9 @@ fn main() {
         .and_then(|stream| io::write_all(stream, text.as_bytes()))
         .and_then(|(stream, _)| {
             let (r, w) = stream.split();
-            io::copy(r, stdout).select(io::copy(stdin, w))
+            io::copy(r, stdout)
                 .map(|_| ())
+                .select(io::copy(stdin, w).map(|_| ()))
                 .map_err(|(e, _)| e)
         });
 
diff --git a/examples/server.rs b/examples/server.rs
index 283d016..5d27474 100644
--- a/examples/server.rs
+++ b/examples/server.rs
@@ -1,6 +1,7 @@
 extern crate clap;
 extern crate rustls;
 extern crate futures;
+extern crate tokio_io;
 extern crate tokio_core;
 extern crate webpki_roots;
 extern crate tokio_rustls;
@@ -12,7 +13,7 @@ use std::fs::File;
 use futures::{ Future, Stream };
 use rustls::{ Certificate, PrivateKey, ServerConfig };
 use rustls::internal::pemfile::{ certs, rsa_private_keys };
-use tokio_core::io::{ self, Io };
+use tokio_io::{ io, AsyncRead };
 use tokio_core::net::TcpListener;
 use tokio_core::reactor::Core;
 use clap::{ App, Arg };
@@ -62,7 +63,7 @@ fn main() {
                     let (reader, writer) = stream.split();
                     io::copy(reader, writer)
                 })
-                .map(move |n| println!("Echo: {} - {}", n, addr))
+                .map(move |(n, _, _)| println!("Echo: {} - {}", n, addr))
                 .map_err(move |err| println!("Error: {:?} - {}", err, addr));
             handle.spawn(done);
 
diff --git a/src/lib.rs b/src/lib.rs
index e6f5856..36b4d09 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,8 +2,8 @@
 //!
 //! [tokio-tls](https://github.com/tokio-rs/tokio-tls) fork, use [rustls](https://github.com/ctz/rustls).
 
-#[cfg_attr(feature = "tokio-proto", macro_use)]
-extern crate futures;
+#[cfg_attr(feature = "tokio-proto", macro_use)] extern crate futures;
+extern crate tokio_io;
 extern crate tokio_core;
 extern crate rustls;
 
@@ -12,7 +12,7 @@ pub mod proto;
 use std::io;
 use std::sync::Arc;
 use futures::{ Future, Poll, Async };
-use tokio_core::io::Io;
+use tokio_io::{ AsyncRead, AsyncWrite };
 use rustls::{ Session, ClientSession, ServerSession };
 use rustls::{ ClientConfig, ServerConfig };
 
@@ -21,14 +21,14 @@ use rustls::{ ClientConfig, ServerConfig };
 pub trait ClientConfigExt {
     fn connect_async<S>(&self, domain: &str, stream: S)
         -> ConnectAsync<S>
-        where S: Io;
+        where S: AsyncRead + AsyncWrite;
 }
 
 /// Extension trait for the `Arc<ServerConfig>` type in the `rustls` crate.
 pub trait ServerConfigExt {
     fn accept_async<S>(&self, stream: S)
         -> AcceptAsync<S>
-        where S: Io;
+        where S: AsyncRead + AsyncWrite;
 }
 
 
@@ -44,7 +44,7 @@ pub struct AcceptAsync<S>(MidHandshake<S, ServerSession>);
 impl ClientConfigExt for Arc<ClientConfig> {
     fn connect_async<S>(&self, domain: &str, stream: S)
         -> ConnectAsync<S>
-        where S: Io
+        where S: AsyncRead + AsyncWrite
     {
         ConnectAsync(MidHandshake {
             inner: Some(TlsStream::new(stream, ClientSession::new(self, domain)))
@@ -55,7 +55,7 @@ impl ClientConfigExt for Arc<ClientConfig> {
 impl ServerConfigExt for Arc<ServerConfig> {
     fn accept_async<S>(&self, stream: S)
         -> AcceptAsync<S>
-        where S: Io
+        where S: AsyncRead + AsyncWrite
     {
         AcceptAsync(MidHandshake {
             inner: Some(TlsStream::new(stream, ServerSession::new(self)))
@@ -63,7 +63,7 @@ impl ServerConfigExt for Arc<ServerConfig> {
     }
 }
 
-impl<S: Io> Future for ConnectAsync<S> {
+impl<S: AsyncRead + AsyncWrite> Future for ConnectAsync<S> {
     type Item = TlsStream<S, ClientSession>;
     type Error = io::Error;
 
@@ -72,7 +72,7 @@ impl<S: Io> Future for ConnectAsync<S> {
     }
 }
 
-impl<S: Io> Future for AcceptAsync<S> {
+impl<S: AsyncRead + AsyncWrite> Future for AcceptAsync<S> {
     type Item = TlsStream<S, ServerSession>;
     type Error = io::Error;
 
@@ -87,7 +87,7 @@ struct MidHandshake<S, C> {
 }
 
 impl<S, C> Future for MidHandshake<S, C>
-    where S: Io, C: Session
+    where S: AsyncRead + AsyncWrite, C: Session
 {
     type Item = TlsStream<S, C>;
     type Error = io::Error;
@@ -136,7 +136,7 @@ impl<S, C> TlsStream<S, C> {
 }
 
 impl<S, C> TlsStream<S, C>
-    where S: Io, C: Session
+    where S: AsyncRead + AsyncWrite, C: Session
 {
     #[inline]
     pub fn new(io: S, session: C) -> TlsStream<S, C> {
@@ -149,29 +149,32 @@ impl<S, C> TlsStream<S, C>
 
     pub fn do_io(&mut self) -> io::Result<()> {
         loop {
-            let read_would_block = match (!self.eof && self.session.wants_read(), self.io.poll_read()) {
-                (true, Async::Ready(())) => {
-                    match self.session.read_tls(&mut self.io) {
-                        Ok(0) => self.eof = true,
-                        Ok(_) => self.session.process_new_packets()
-                            .map_err(|err| io::Error::new(io::ErrorKind::Other, err))?,
-                        Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => (),
-                        Err(e) => return Err(e)
-                    };
-                    continue
-                },
-                (true, Async::NotReady) => true,
-                (false, _) => false,
+            let read_would_block = if !self.eof && self.session.wants_read() {
+                match self.session.read_tls(&mut self.io) {
+                    Ok(0) => {
+                        self.eof = true;
+                        continue
+                    },
+                    Ok(_) => {
+                        self.session.process_new_packets()
+                            .map_err(|err| io::Error::new(io::ErrorKind::Other, err))?;
+                        continue
+                    },
+                    Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => true,
+                    Err(e) => return Err(e)
+                }
+            } else {
+                false
             };
 
-            let write_would_block = match (self.session.wants_write(), self.io.poll_write()) {
-                (true, Async::Ready(())) => match self.session.write_tls(&mut self.io) {
+            let write_would_block = if self.session.wants_write() {
+                match self.session.write_tls(&mut self.io) {
                     Ok(_) => continue,
-                    Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => continue,
+                    Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => true,
                     Err(e) => return Err(e)
-                },
-                (true, Async::NotReady) => true,
-                (false, _) => false
+                }
+            } else {
+                false
             };
 
             if read_would_block || write_would_block {
@@ -184,7 +187,7 @@ impl<S, C> TlsStream<S, C>
 }
 
 impl<S, C> io::Read for TlsStream<S, C>
-    where S: Io, C: Session
+    where S: AsyncRead + AsyncWrite, C: Session
 {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         loop {
@@ -203,12 +206,12 @@ impl<S, C> io::Read for TlsStream<S, C>
 }
 
 impl<S, C> io::Write for TlsStream<S, C>
-    where S: Io, C: Session
+    where S: AsyncRead + AsyncWrite, C: Session
 {
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         let output = self.session.write(buf)?;
 
-        while self.session.wants_write() && self.io.poll_write().is_ready() {
+        while self.session.wants_write() {
             match self.session.write_tls(&mut self.io) {
                 Ok(_) => (),
                 Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => break,
@@ -228,6 +231,19 @@ impl<S, C> io::Write for TlsStream<S, C>
     }
 }
 
-impl<S, C> Io for TlsStream<S, C> where S: Io, C: Session {
-    // TODO impl poll_{read, write}
+impl<S, C> AsyncRead for TlsStream<S, C>
+    where
+        S: AsyncRead + AsyncWrite,
+        C: Session
+{}
+
+impl<S, C> AsyncWrite for TlsStream<S, C>
+    where
+        S: AsyncRead + AsyncWrite,
+        C: Session
+{
+    fn shutdown(&mut self) -> Poll<(), io::Error> {
+        self.session.send_close_notify();
+        self.io.shutdown()
+    }
 }