diff --git a/hyper/src/server/accept.rs b/hyper/src/server/accept.rs
index 9082a55..56c54ff 100644
--- a/hyper/src/server/accept.rs
+++ b/hyper/src/server/accept.rs
@@ -18,11 +18,6 @@ pub trait Accept {
     type Conn;
 
     type Error;
-
-    fn poll_accept(
-        self: Pin<&mut Self>,
-        cx: &mut task::Context<'_>,
-    ) -> Poll<Option<Result<Self::Conn, Self::Error>>>;
 }
 
 #[cfg(feature = "stream")]
@@ -39,12 +34,6 @@ where
     {
         type Conn = IO;
         type Error = E;
-        fn poll_accept(
-            self: Pin<&mut Self>,
-            cx: &mut task::Context<'_>,
-        ) -> Poll<Option<Result<Self::Conn, Self::Error>>> {
-            loop {}
-        }
     }
     FromStream { stream }
 }
diff --git a/hyper/src/server/server.rs b/hyper/src/server/server.rs
index 5bf86b1..9eb7119 100644
--- a/hyper/src/server/server.rs
+++ b/hyper/src/server/server.rs
@@ -3,14 +3,15 @@ use super::accept::Accept;
 use super::conn::Http as Http_;
 #[cfg(all(feature = "tcp"))]
 use super::tcp::AddrIncoming;
-use crate::body::{Body};
+use crate::body::{Body, HttpBody};
 use crate::common::exec::Exec;
-use crate::common::exec::{NewSvcExec};
-use crate::common::{task, Future, Pin, Poll};
+use crate::common::exec::{ConnStreamExec, NewSvcExec};
+use crate::common::{task, Future, Pin, Poll, Unpin};
 use crate::service::{HttpService, MakeServiceRef};
 use pin_project_lite::pin_project;
 use std::error::Error as StdError;
-
+#[cfg(feature = "tcp")]
+use tokio::io::{AsyncRead, AsyncWrite};
 pub struct Server<I, S, E = Exec> {
     incoming: I,
     make_service: S,
@@ -90,7 +91,7 @@ where
 }
 pub(crate) mod new_svc {
     use super::Watcher;
-    use crate::body::{Body};
+    use crate::body::{Body, HttpBody};
     use crate::common::exec::ConnStreamExec;
     use crate::common::{task, Future, Pin, Poll};
     use crate::service::HttpService;
diff --git a/hyper/src/server/tcp.rs b/hyper/src/server/tcp.rs
index 29a2c86..89a3a0a 100644
--- a/hyper/src/server/tcp.rs
+++ b/hyper/src/server/tcp.rs
@@ -63,12 +63,6 @@ impl AddrIncoming {
 impl Accept for AddrIncoming {
     type Conn = AddrStream;
     type Error = io::Error;
-    fn poll_accept(
-        mut self: Pin<&mut Self>,
-        cx: &mut task::Context<'_>,
-    ) -> Poll<Option<Result<Self::Conn, Self::Error>>> {
-        loop {}
-    }
 }
 impl fmt::Debug for AddrIncoming {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
diff --git a/hyper/src/service/make.rs b/hyper/src/service/make.rs
index 3f4f369..cf542f1 100644
--- a/hyper/src/service/make.rs
+++ b/hyper/src/service/make.rs
@@ -30,7 +30,7 @@ where
 pub trait MakeServiceRef<Target, ReqBody> {
     type ResBody;
     type Error;
-    type Service: HttpService<ReqBody, ResBody = Self::ResBody, Error = Self::Error>;
+    type Service: HttpService<ReqBody>;
 }
 
 impl<T, Target, E, ME, S, F, IB, OB> MakeServiceRef<Target, IB> for T