diff --git a/bincode-transport/Cargo.toml b/bincode-transport/Cargo.toml
index 7640a18..1074bd5 100644
--- a/bincode-transport/Cargo.toml
+++ b/bincode-transport/Cargo.toml
@@ -14,7 +14,7 @@ description = "A bincode-based transport for tarpc services."
 
 [dependencies]
 bincode = "1"
-futures-preview = { version = "0.3.0-alpha.15", features = ["compat"] }
+futures-preview = { version = "0.3.0-alpha.16", features = ["compat"] }
 futures_legacy = { version = "0.1", package = "futures" }
 pin-utils = "0.1.0-alpha.4"
 rpc = { package = "tarpc-lib", version = "0.5", path = "../rpc", features = ["serde1"] }
diff --git a/bincode-transport/src/lib.rs b/bincode-transport/src/lib.rs
index b171642..6ff3f66 100644
--- a/bincode-transport/src/lib.rs
+++ b/bincode-transport/src/lib.rs
@@ -6,7 +6,7 @@
 
 //! A TCP [`Transport`] that serializes as bincode.
 
-#![feature(arbitrary_self_types, await_macro, async_await)]
+#![feature(arbitrary_self_types, async_await)]
 #![deny(missing_docs, missing_debug_implementations)]
 
 use async_bincode::{AsyncBincodeStream, AsyncDestination};
@@ -131,7 +131,7 @@ where
     Item: for<'de> Deserialize<'de>,
     SinkItem: Serialize,
 {
-    Ok(new(await!(TcpStream::connect(addr).compat())?))
+    Ok(new(TcpStream::connect(addr).compat().await?))
 }
 
 /// Listens on `addr`, wrapping accepted connections in bincode transports.
diff --git a/bincode-transport/tests/bench.rs b/bincode-transport/tests/bench.rs
index ed79f78..4550ccf 100644
--- a/bincode-transport/tests/bench.rs
+++ b/bincode-transport/tests/bench.rs
@@ -6,13 +6,7 @@
 
 //! Tests client/server control flow.
 
-#![feature(
-    test,
-    integer_atomics,
-    generators,
-    await_macro,
-    async_await
-)]
+#![feature(test, integer_atomics, async_await)]
 
 use futures::{compat::Executor01CompatExt, prelude::*};
 use libtest::stats::Stats;
@@ -39,8 +33,8 @@ async fn bench() -> io::Result<()> {
             .compat(),
     );
 
-    let conn = await!(tarpc_bincode_transport::connect(&addr))?;
-    let client = &mut await!(client::new::<u32, u32, _>(client::Config::default(), conn))?;
+    let conn = tarpc_bincode_transport::connect(&addr).await?;
+    let client = &mut client::new::<u32, u32, _>(client::Config::default(), conn).await?;
 
     let total = 10_000usize;
     let mut successful = 0u32;
@@ -48,7 +42,7 @@ async fn bench() -> io::Result<()> {
     let mut durations = vec![];
     for _ in 1..=total {
         let now = Instant::now();
-        let response = await!(client.call(context::current(), 0u32));
+        let response = client.call(context::current(), 0u32).await;
         let elapsed = now.elapsed();
 
         match response {
diff --git a/bincode-transport/tests/cancel.rs b/bincode-transport/tests/cancel.rs
index 516e665..b9950a1 100644
--- a/bincode-transport/tests/cancel.rs
+++ b/bincode-transport/tests/cancel.rs
@@ -6,7 +6,7 @@
 
 //! Tests client/server control flow.
 
-#![feature(generators, await_macro, async_await)]
+#![feature(async_await)]
 
 use futures::{
     compat::{Executor01CompatExt, Future01CompatExt},
@@ -66,7 +66,7 @@ async fn run() -> io::Result<()> {
 
                 let wait = Delay::new(Instant::now() + delay).compat();
                 async move {
-                    await!(wait).unwrap();
+                    wait.await.unwrap();
                     Ok(request)
                 }
             });
@@ -75,11 +75,8 @@ async fn run() -> io::Result<()> {
 
     tokio_executor::spawn(server.unit_error().boxed().compat());
 
-    let conn = await!(tarpc_bincode_transport::connect(&addr))?;
-    let client = await!(client::new::<String, String, _>(
-        client::Config::default(),
-        conn
-    ))?;
+    let conn = tarpc_bincode_transport::connect(&addr).await?;
+    let client = client::new::<String, String, _>(client::Config::default(), conn).await?;
 
     // Proxy service
     let listener = tarpc_bincode_transport::listen(&"0.0.0.0:0".parse().unwrap())?;
@@ -99,7 +96,7 @@ async fn run() -> io::Result<()> {
                 let handler = channel.respond_with(move |ctx, request| {
                     trace!("[{}/{}] Proxying request.", ctx.trace_id(), client_addr);
                     let mut client = client.clone();
-                    async move { await!(client.call(ctx, request)) }
+                    async move { client.call(ctx, request).await }
                 });
                 tokio_executor::spawn(handler.unit_error().boxed().compat());
             }
@@ -111,10 +108,9 @@ async fn run() -> io::Result<()> {
     config.max_in_flight_requests = 10;
     config.pending_request_buffer = 10;
 
-    let client = await!(client::new::<String, String, _>(
-        config,
-        await!(tarpc_bincode_transport::connect(&addr))?
-    ))?;
+    let client =
+        client::new::<String, String, _>(config, tarpc_bincode_transport::connect(&addr).await?)
+            .await?;
 
     // Make 3 speculative requests, returning only the quickest.
     let mut clients: Vec<_> = (1..=3u32).map(|_| client.clone()).collect();
@@ -126,10 +122,11 @@ async fn run() -> io::Result<()> {
         let response = client.call(ctx, "ping".into());
         requests.push(response.map(move |r| (trace_id, r)));
     }
-    let (fastest_response, _) = await!(requests
+    let (fastest_response, _) = requests
         .into_iter()
         .collect::<FuturesUnordered<_>>()
-        .into_future());
+        .into_future()
+        .await;
     let (trace_id, resp) = fastest_response.unwrap();
     info!("[{}] fastest_response = {:?}", trace_id, resp);
 
diff --git a/bincode-transport/tests/pushback.rs b/bincode-transport/tests/pushback.rs
index 079679f..72a5957 100644
--- a/bincode-transport/tests/pushback.rs
+++ b/bincode-transport/tests/pushback.rs
@@ -6,7 +6,7 @@
 
 //! Tests client/server control flow.
 
-#![feature(generators, await_macro, async_await)]
+#![feature(async_await)]
 
 use futures::{
     compat::{Executor01CompatExt, Future01CompatExt},
@@ -65,7 +65,7 @@ async fn run() -> io::Result<()> {
 
                 let sleep = Delay::new(Instant::now() + delay).compat();
                 async {
-                    await!(sleep).unwrap();
+                    sleep.await.unwrap();
                     Ok(request)
                 }
             });
@@ -78,8 +78,8 @@ async fn run() -> io::Result<()> {
     config.max_in_flight_requests = 10;
     config.pending_request_buffer = 10;
 
-    let conn = await!(tarpc_bincode_transport::connect(&addr))?;
-    let client = await!(client::new::<String, String, _>(config, conn))?;
+    let conn = tarpc_bincode_transport::connect(&addr).await?;
+    let client = client::new::<String, String, _>(config, conn).await?;
 
     let clients = (1..=100u32).map(|_| client.clone()).collect::<Vec<_>>();
     for mut client in clients {
@@ -88,7 +88,7 @@ async fn run() -> io::Result<()> {
             async move {
                 let trace_id = *ctx.trace_id();
                 let response = client.call(ctx, "ping".into());
-                match await!(response) {
+                match response.await {
                     Ok(response) => info!("[{}] response: {}", trace_id, response),
                     Err(e) => error!("[{}] request error: {:?}: {}", trace_id, e.kind(), e),
                 }
diff --git a/example-service/Cargo.toml b/example-service/Cargo.toml
index 11083ca..752ca18 100644
--- a/example-service/Cargo.toml
+++ b/example-service/Cargo.toml
@@ -15,7 +15,7 @@ description = "An example server built on tarpc."
 [dependencies]
 bincode-transport = { package = "tarpc-bincode-transport", version = "0.6", path = "../bincode-transport" }
 clap = "2.0"
-futures-preview = { version = "0.3.0-alpha.15", features = ["compat"] }
+futures-preview = { version = "0.3.0-alpha.16", features = ["compat"] }
 serde = { version = "1.0" }
 tarpc = { version = "0.17", path = "../tarpc", features = ["serde1"] }
 tokio = "0.1"
diff --git a/example-service/src/client.rs b/example-service/src/client.rs
index 880fc93..d4f030c 100644
--- a/example-service/src/client.rs
+++ b/example-service/src/client.rs
@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
-#![feature(arbitrary_self_types, await_macro, async_await)]
+#![feature(arbitrary_self_types, async_await)]
 
 use clap::{App, Arg};
 use futures::{compat::Executor01CompatExt, prelude::*};
@@ -12,17 +12,17 @@ use std::{io, net::SocketAddr};
 use tarpc::{client, context};
 
 async fn run(server_addr: SocketAddr, name: String) -> io::Result<()> {
-    let transport = await!(bincode_transport::connect(&server_addr))?;
+    let transport = bincode_transport::connect(&server_addr).await?;
 
     // new_stub is generated by the service! macro. Like Server, it takes a config and any
     // Transport as input, and returns a Client, also generated by the macro.
     // by the service mcro.
-    let mut client = await!(service::new_stub(client::Config::default(), transport))?;
+    let mut client = service::new_stub(client::Config::default(), transport).await?;
 
     // The client has an RPC method for each RPC defined in service!. It takes the same args
     // as defined, with the addition of a Context, which is always the first arg. The Context
     // specifies a deadline and trace information which can be helpful in debugging requests.
-    let hello = await!(client.hello(context::current(), name))?;
+    let hello = client.hello(context::current(), name).await?;
 
     println!("{}", hello);
 
diff --git a/example-service/src/lib.rs b/example-service/src/lib.rs
index dd3e162..0059610 100644
--- a/example-service/src/lib.rs
+++ b/example-service/src/lib.rs
@@ -4,12 +4,7 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
-#![feature(
-    arbitrary_self_types,
-    await_macro,
-    async_await,
-    proc_macro_hygiene
-)]
+#![feature(arbitrary_self_types, async_await, proc_macro_hygiene)]
 
 // This is the service definition. It looks a lot like a trait definition.
 // It defines one RPC, hello, which takes one arg, name, and returns a String.
diff --git a/example-service/src/server.rs b/example-service/src/server.rs
index f298866..b21ae3e 100644
--- a/example-service/src/server.rs
+++ b/example-service/src/server.rs
@@ -4,7 +4,7 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
-#![feature(arbitrary_self_types, await_macro, async_await)]
+#![feature(arbitrary_self_types, async_await)]
 
 use clap::{App, Arg};
 use futures::{
@@ -47,7 +47,7 @@ async fn run(server_addr: SocketAddr) -> io::Result<()> {
         // the generated Service trait.
         .respond_with(service::serve(HelloServer));
 
-    await!(server);
+    server.await;
 
     Ok(())
 }
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index d096b43..c331698 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -18,7 +18,7 @@ serde1 = ["trace/serde", "serde", "serde/derive"]
 
 [dependencies]
 fnv = "1.0"
-futures-preview = { version = "0.3.0-alpha.15", features = ["compat"] }
+futures-preview = { version = "0.3.0-alpha.16", features = ["compat"] }
 humantime = "1.0"
 log = "0.4"
 pin-utils = "0.1.0-alpha.4"
@@ -28,6 +28,6 @@ trace = { package = "tarpc-trace", version = "0.2", path = "../trace" }
 serde = { optional = true, version = "1.0" }
 
 [dev-dependencies]
-futures-test-preview = { version = "0.3.0-alpha.15" }
+futures-test-preview = { version = "0.3.0-alpha.16" }
 env_logger = "0.6"
 tokio = "0.1"
diff --git a/rpc/src/client/mod.rs b/rpc/src/client/mod.rs
index 939d18a..94f2325 100644
--- a/rpc/src/client/mod.rs
+++ b/rpc/src/client/mod.rs
@@ -147,5 +147,5 @@ where
         SocketAddr::new(Ipv4Addr::UNSPECIFIED.into(), 0)
     });
 
-    Ok(await!(channel::spawn(config, transport, server_addr))?)
+    Ok(channel::spawn(config, transport, server_addr).await?)
 }
diff --git a/rpc/src/lib.rs b/rpc/src/lib.rs
index beacbd1..fec9dd7 100644
--- a/rpc/src/lib.rs
+++ b/rpc/src/lib.rs
@@ -9,7 +9,6 @@
     integer_atomics,
     try_trait,
     arbitrary_self_types,
-    await_macro,
     async_await
 )]
 #![deny(missing_docs, missing_debug_implementations)]
diff --git a/rpc/src/server/mod.rs b/rpc/src/server/mod.rs
index 9b112e2..16a8d9b 100644
--- a/rpc/src/server/mod.rs
+++ b/rpc/src/server/mod.rs
@@ -494,7 +494,10 @@ where
                     },
                 };
                 trace!("[{}/{}] Sending response.", trace_id, peer);
-                await!(response_tx.send((ctx, response)).unwrap_or_else(|_| ()));
+                response_tx
+                    .send((ctx, response))
+                    .unwrap_or_else(|_| ())
+                    .await;
             },
         );
         let (abortable_response, abort_handle) = abortable(response);
diff --git a/rpc/src/transport/channel.rs b/rpc/src/transport/channel.rs
index 4d14421..a567950 100644
--- a/rpc/src/transport/channel.rs
+++ b/rpc/src/transport/channel.rs
@@ -121,10 +121,10 @@ mod tests {
             });
 
         let responses = async {
-            let mut client = await!(client::new(client::Config::default(), client_channel))?;
+            let mut client = client::new(client::Config::default(), client_channel).await?;
 
-            let response1 = await!(client.call(context::current(), "123".into()));
-            let response2 = await!(client.call(context::current(), "abc".into()));
+            let response1 = client.call(context::current(), "123".into()).await;
+            let response2 = client.call(context::current(), "abc".into()).await;
 
             Ok::<_, io::Error>((response1, response2))
         };
diff --git a/tarpc/Cargo.toml b/tarpc/Cargo.toml
index 501b0b1..2dea6c2 100644
--- a/tarpc/Cargo.toml
+++ b/tarpc/Cargo.toml
@@ -19,7 +19,7 @@ serde1 = ["rpc/serde1", "serde", "serde/derive"]
 travis-ci = { repository = "google/tarpc" }
 
 [dependencies]
-futures-preview = { version = "0.3.0-alpha.15", features = ["compat"] }
+futures-preview = { version = "0.3.0-alpha.16", features = ["compat"] }
 log = "0.4"
 serde = { optional = true, version = "1.0" }
 rpc = { package = "tarpc-lib", path = "../rpc", version = "0.5" }
diff --git a/tarpc/examples/pubsub.rs b/tarpc/examples/pubsub.rs
index f70c204..5fae8f9 100644
--- a/tarpc/examples/pubsub.rs
+++ b/tarpc/examples/pubsub.rs
@@ -6,7 +6,6 @@
 
 #![feature(
     arbitrary_self_types,
-    await_macro,
     async_await,
     existential_type,
     proc_macro_hygiene
@@ -99,7 +98,7 @@ impl publisher::Service for Publisher {
                 // Ignore failing subscribers. In a real pubsub,
                 // you'd want to continually retry until subscribers
                 // ack.
-                let _ = await!(client.receive(context::current(), message.clone()));
+                let _ = client.receive(context::current(), message.clone()).await;
             }
         }
 
@@ -114,8 +113,8 @@ impl publisher::Service for Publisher {
             id: u32,
             addr: SocketAddr,
         ) -> io::Result<()> {
-            let conn = await!(bincode_transport::connect(&addr))?;
-            let subscriber = await!(subscriber::new_stub(client::Config::default(), conn))?;
+            let conn = bincode_transport::connect(&addr).await?;
+            let subscriber = subscriber::new_stub(client::Config::default(), conn).await?;
             println!("Subscribing {}.", id);
             clients.lock().unwrap().insert(id, subscriber);
             Ok(())
@@ -153,27 +152,34 @@ async fn run() -> io::Result<()> {
             .compat(),
     );
 
-    let subscriber1 = await!(Subscriber::listen(0, server::Config::default()))?;
-    let subscriber2 = await!(Subscriber::listen(1, server::Config::default()))?;
+    let subscriber1 = Subscriber::listen(0, server::Config::default()).await?;
+    let subscriber2 = Subscriber::listen(1, server::Config::default()).await?;
 
     let publisher_conn = bincode_transport::connect(&publisher_addr);
-    let publisher_conn = await!(publisher_conn)?;
-    let mut publisher = await!(publisher::new_stub(
-        client::Config::default(),
-        publisher_conn
-    ))?;
+    let publisher_conn = publisher_conn.await?;
+    let mut publisher = publisher::new_stub(client::Config::default(), publisher_conn).await?;
 
-    if let Err(e) = await!(publisher.subscribe(context::current(), 0, subscriber1))? {
+    if let Err(e) = publisher
+        .subscribe(context::current(), 0, subscriber1)
+        .await?
+    {
         eprintln!("Couldn't subscribe subscriber 0: {}", e);
     }
-    if let Err(e) = await!(publisher.subscribe(context::current(), 1, subscriber2))? {
+    if let Err(e) = publisher
+        .subscribe(context::current(), 1, subscriber2)
+        .await?
+    {
         eprintln!("Couldn't subscribe subscriber 1: {}", e);
     }
 
     println!("Broadcasting...");
-    await!(publisher.broadcast(context::current(), "hello to all".to_string()))?;
-    await!(publisher.unsubscribe(context::current(), 1))?;
-    await!(publisher.broadcast(context::current(), "hi again".to_string()))?;
+    publisher
+        .broadcast(context::current(), "hello to all".to_string())
+        .await?;
+    publisher.unsubscribe(context::current(), 1).await?;
+    publisher
+        .broadcast(context::current(), "hi again".to_string())
+        .await?;
     Ok(())
 }
 
diff --git a/tarpc/examples/readme.rs b/tarpc/examples/readme.rs
index 6865334..ce50cca 100644
--- a/tarpc/examples/readme.rs
+++ b/tarpc/examples/readme.rs
@@ -4,12 +4,7 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
-#![feature(
-    arbitrary_self_types,
-    await_macro,
-    async_await,
-    proc_macro_hygiene
-)]
+#![feature(arbitrary_self_types, async_await, proc_macro_hygiene)]
 
 use futures::{
     compat::Executor01CompatExt,
@@ -63,17 +58,17 @@ async fn run() -> io::Result<()> {
 
     tokio_executor::spawn(server.unit_error().boxed().compat());
 
-    let transport = await!(bincode_transport::connect(&addr))?;
+    let transport = bincode_transport::connect(&addr).await?;
 
     // new_stub is generated by the tarpc::service! macro. Like Server, it takes a config and any
     // Transport as input, and returns a Client, also generated by the macro.
     // by the service mcro.
-    let mut client = await!(new_stub(client::Config::default(), transport))?;
+    let mut client = new_stub(client::Config::default(), transport).await?;
 
     // The client has an RPC method for each RPC defined in tarpc::service!. It takes the same args
     // as defined, with the addition of a Context, which is always the first arg. The Context
     // specifies a deadline and trace information which can be helpful in debugging requests.
-    let hello = await!(client.hello(context::current(), "Stim".to_string()))?;
+    let hello = client.hello(context::current(), "Stim".to_string()).await?;
 
     println!("{}", hello);
 
diff --git a/tarpc/examples/server_calling_server.rs b/tarpc/examples/server_calling_server.rs
index f38c630..53338b0 100644
--- a/tarpc/examples/server_calling_server.rs
+++ b/tarpc/examples/server_calling_server.rs
@@ -7,7 +7,6 @@
 #![feature(
     existential_type,
     arbitrary_self_types,
-    await_macro,
     async_await,
     proc_macro_hygiene
 )]
@@ -59,8 +58,10 @@ impl DoubleService for DoubleServer {
 
     fn double(self, _: context::Context, x: i32) -> Self::DoubleFut {
         async fn double(mut client: add::Client, x: i32) -> Result<i32, String> {
-            let result = await!(client.add(context::current(), x, x));
-            result.map_err(|e| e.to_string())
+            client
+                .add(context::current(), x, x)
+                .await
+                .map_err(|e| e.to_string())
         }
 
         double(self.add_client.clone(), x)
@@ -76,8 +77,8 @@ async fn run() -> io::Result<()> {
         .respond_with(add::serve(AddServer));
     tokio_executor::spawn(add_server.unit_error().boxed().compat());
 
-    let to_add_server = await!(bincode_transport::connect(&addr))?;
-    let add_client = await!(add::new_stub(client::Config::default(), to_add_server))?;
+    let to_add_server = bincode_transport::connect(&addr).await?;
+    let add_client = add::new_stub(client::Config::default(), to_add_server).await?;
 
     let double_listener = bincode_transport::listen(&"0.0.0.0:0".parse().unwrap())?;
     let addr = double_listener.local_addr();
@@ -87,14 +88,11 @@ async fn run() -> io::Result<()> {
         .respond_with(double::serve(DoubleServer { add_client }));
     tokio_executor::spawn(double_server.unit_error().boxed().compat());
 
-    let to_double_server = await!(bincode_transport::connect(&addr))?;
-    let mut double_client = await!(double::new_stub(
-        client::Config::default(),
-        to_double_server
-    ))?;
+    let to_double_server = bincode_transport::connect(&addr).await?;
+    let mut double_client = double::new_stub(client::Config::default(), to_double_server).await?;
 
     for i in 1..=5 {
-        println!("{:?}", await!(double_client.double(context::current(), i))?);
+        println!("{:?}", double_client.double(context::current(), i).await?);
     }
     Ok(())
 }
diff --git a/tarpc/examples/service_registry.rs b/tarpc/examples/service_registry.rs
index 1f27e27..fe376de 100644
--- a/tarpc/examples/service_registry.rs
+++ b/tarpc/examples/service_registry.rs
@@ -1,6 +1,5 @@
 #![feature(
     async_await,
-    await_macro,
     arbitrary_self_types,
     proc_macro_hygiene,
     impl_trait_in_bindings
@@ -87,7 +86,7 @@ mod registry {
                 serve: move |cx, req: Bytes| {
                     async move {
                         let req = deserialize.clone()(req)?;
-                        let response = await!(serve.clone()(cx, req))?;
+                        let response = serve.clone()(cx, req).await?;
                         let response = serialize.clone()(response)?;
                         Ok(ServiceResponse { response })
                     }
@@ -391,8 +390,8 @@ async fn run() -> io::Result<()> {
         .respond_with(registry.serve());
     tokio_executor::spawn(server.unit_error().boxed().compat());
 
-    let transport = await!(bincode_transport::connect(&server_addr))?;
-    let channel = await!(client::new(client::Config::default(), transport))?;
+    let transport = bincode_transport::connect(&server_addr).await?;
+    let channel = client::new(client::Config::default(), transport).await?;
 
     let write_client = new_client("WriteService".to_string(), &channel);
     let mut write_client = write_service::Client::from(write_client);
@@ -400,8 +399,12 @@ async fn run() -> io::Result<()> {
     let read_client = new_client("ReadService".to_string(), &channel);
     let mut read_client = read_service::Client::from(read_client);
 
-    await!(write_client.write(context::current(), "key".to_string(), "val".to_string()))?;
-    let val = await!(read_client.read(context::current(), "key".to_string()))?;
+    write_client
+        .write(context::current(), "key".to_string(), "val".to_string())
+        .await?;
+    let val = read_client
+        .read(context::current(), "key".to_string())
+        .await?;
     println!("{:?}", val);
 
     Ok(())
diff --git a/tarpc/src/lib.rs b/tarpc/src/lib.rs
index a91ee40..6af5a11 100644
--- a/tarpc/src/lib.rs
+++ b/tarpc/src/lib.rs
@@ -7,10 +7,7 @@
 #![doc(include = "../README.md")]
 #![deny(missing_docs, missing_debug_implementations)]
 #![feature(async_await, external_doc)]
-#![cfg_attr(
-    test,
-    feature(await_macro, proc_macro_hygiene, arbitrary_self_types)
-)]
+#![cfg_attr(test, feature(proc_macro_hygiene, arbitrary_self_types))]
 
 #[doc(hidden)]
 pub use futures;
diff --git a/tarpc/src/macros.rs b/tarpc/src/macros.rs
index 52b8497..d8ead66 100644
--- a/tarpc/src/macros.rs
+++ b/tarpc/src/macros.rs
@@ -30,7 +30,7 @@ macro_rules! add_serde_if_enabled {
 /// Rpc methods are specified, mirroring trait syntax:
 ///
 /// ```
-/// # #![feature(await_macro, arbitrary_self_types, async_await, proc_macro_hygiene)]
+/// # #![feature(arbitrary_self_types, async_await, proc_macro_hygiene)]
 /// # fn main() {}
 /// # tarpc::service! {
 /// /// Say hello
@@ -222,7 +222,7 @@ macro_rules! service {
                     Item = $crate::Response<Response>,
                     SinkItem = $crate::ClientMessage<Request>> + Send + 'static,
         {
-            Ok(Client(await!($crate::client::new(config, transport))?))
+            Ok(Client($crate::client::new(config, transport).await?))
         }
 
         impl<C> From<C> for Client<C>
@@ -244,7 +244,7 @@ macro_rules! service {
                     let request__ = Request::$fn_name { $($arg,)* };
                     let resp = $crate::Client::call(&mut self.0, ctx, request__);
                     async move {
-                        match await!(resp)? {
+                        match resp.await? {
                             Response::$fn_name(msg__) => ::std::result::Result::Ok(msg__),
                             _ => unreachable!(),
                         }
@@ -328,11 +328,11 @@ mod functional_test {
                     .compat(),
             );
 
-            let mut client = await!(new_stub(client::Config::default(), tx))?;
-            assert_eq!(3, await!(client.add(context::current(), 1, 2))?);
+            let mut client = new_stub(client::Config::default(), tx).await?;
+            assert_eq!(3, client.add(context::current(), 1, 2).await?);
             assert_eq!(
                 "Hey, Tim.",
-                await!(client.hey(context::current(), "Tim".to_string()))?
+                client.hey(context::current(), "Tim".to_string()).await?
             );
             Ok::<_, io::Error>(())
         }
@@ -357,7 +357,7 @@ mod functional_test {
                     .compat(),
             );
 
-            let client = await!(new_stub(client::Config::default(), tx))?;
+            let client = new_stub(client::Config::default(), tx).await?;
             let mut c = client.clone();
             let req1 = c.add(context::current(), 1, 2);
             let mut c = client.clone();
@@ -365,9 +365,9 @@ mod functional_test {
             let mut c = client.clone();
             let req3 = c.hey(context::current(), "Tim".to_string());
 
-            assert_eq!(3, await!(req1)?);
-            assert_eq!(7, await!(req2)?);
-            assert_eq!("Hey, Tim.", await!(req3)?);
+            assert_eq!(3, req1.await?);
+            assert_eq!(7, req2.await?);
+            assert_eq!("Hey, Tim.", req3.await?);
             Ok::<_, io::Error>(())
         }
             .map_err(|e| panic!("test failed: {}", e));
diff --git a/tarpc/tests/latency.rs b/tarpc/tests/latency.rs
index bb10ae7..42fc0bd 100644
--- a/tarpc/tests/latency.rs
+++ b/tarpc/tests/latency.rs
@@ -8,8 +8,6 @@
     test,
     arbitrary_self_types,
     integer_atomics,
-    generators,
-    await_macro,
     async_await,
     proc_macro_hygiene
 )]
@@ -56,8 +54,8 @@ async fn bench() -> io::Result<()> {
             .compat(),
     );
 
-    let conn = await!(bincode_transport::connect(&addr))?;
-    let mut client = await!(ack::new_stub(client::Config::default(), conn))?;
+    let conn = bincode_transport::connect(&addr).await?;
+    let mut client = ack::new_stub(client::Config::default(), conn).await?;
 
     let total = 10_000usize;
     let mut successful = 0u32;
@@ -65,7 +63,7 @@ async fn bench() -> io::Result<()> {
     let mut durations = vec![];
     for _ in 1..=total {
         let now = Instant::now();
-        let response = await!(client.ack(context::current()));
+        let response = client.ack(context::current()).await;
         let elapsed = now.elapsed();
 
         match response {