diff --git a/src/async.rs b/src/async.rs
index 94e8d812432ba83c3787f322c93ff7fe3a9ff6b0..ea024891640682443424dd9e907409168b5a37cb 100644
--- a/src/async.rs
+++ b/src/async.rs
@@ -1,8 +1,6 @@
 use std::io::{self, Read};
 use std::sync::mpsc;
 use std::thread;
-use std::io::BufReader;
-use std::io::BufRead;
 
 use sys::tty::get_tty;
 
@@ -22,7 +20,7 @@ pub fn async_stdin_until(delimiter: u8) -> AsyncReader {
 
                 if end_of_stream || send_error { return; }
             },
-            Err(e) => { return; }
+            Err(_) => { return; }
         }
     });