diff --git a/Cargo.toml b/Cargo.toml
index b8701e76..6f9f0a3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -64,4 +64,4 @@ libc = "^0.2.7"
 
 [dependencies.coio]
 git = "https://github.com/zonyitoo/coio-rs.git"
-branch = "feature-timeout"
+branch = "io-timeouts"
diff --git a/src/relay/tcprelay/local.rs b/src/relay/tcprelay/local.rs
index cf6b04b0..b81a9254 100644
--- a/src/relay/tcprelay/local.rs
+++ b/src/relay/tcprelay/local.rs
@@ -335,7 +335,7 @@ impl TcpRelayLocal {
         let mut cached_proxy: BTreeMap<String, SocketAddr> = BTreeMap::new();
 
         for s in acceptor.incoming() {
-            let mut stream = match s {
+            let stream = match s {
                 Ok((s, addr)) => {
                     debug!("Got connection from client {:?}", addr);
                     s