diff --git a/src/component/auth.rs b/src/component/auth.rs
index 92ae0903cd8ab4aa93a0658cd8a7486f521878f8..44104f4c19052fe1db703563fab894cf32c2d7ca 100644
--- a/src/component/auth.rs
+++ b/src/component/auth.rs
@@ -73,8 +73,8 @@ impl<S: AsyncRead + AsyncWrite> Future for ComponentAuth<S> {
                 {
                     Err(AuthError::ComponentFail.into())
                 }
-                Ok(Async::Ready(event)) => {
-                    println!("ComponentAuth ignore {:?}", event);
+                Ok(Async::Ready(_event)) => {
+                    // println!("ComponentAuth ignore {:?}", _event);
                     Ok(Async::NotReady)
                 }
                 Ok(_) => {
diff --git a/src/starttls.rs b/src/starttls.rs
index 00966ac1d491ba3d87d0b1b3bf0011d086e6a2ec..41bc6001da06f74b49403108c45616d787a1ae7f 100644
--- a/src/starttls.rs
+++ b/src/starttls.rs
@@ -75,8 +75,8 @@ impl<S: AsyncRead + AsyncWrite> Future for StartTlsClient<S> {
                     retry = true;
                     (new_state, Ok(Async::NotReady))
                 }
-                Ok(Async::Ready(value)) => {
-                    println!("StartTlsClient ignore {:?}", value);
+                Ok(Async::Ready(_value)) => {
+                    // println!("StartTlsClient ignore {:?}", _value);
                     (
                         StartTlsClientState::AwaitProceed(xmpp_stream),
                         Ok(Async::NotReady),
diff --git a/src/xmpp_codec.rs b/src/xmpp_codec.rs
index 54ddcb51a5908b8716c339e7b18c78d11bfe2747..d8e5310a41aa99adff965b0c60655bf763ca0b58 100644
--- a/src/xmpp_codec.rs
+++ b/src/xmpp_codec.rs
@@ -289,7 +289,7 @@ impl Encoder for XMPPCodec {
                 }
                 write!(buf, ">\n").unwrap();
 
-                print!(">> {}", buf);
+                // print!(">> {}", buf);
                 write!(dst, "{}", buf).map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
             }
             Packet::Stanza(stanza) => {