diff --git a/src/os/windows.rs b/src/os/windows.rs
index ef853c0..1201917 100644
--- a/src/os/windows.rs
+++ b/src/os/windows.rs
@@ -3,7 +3,6 @@
 use crate::reactor::{Reactor, Readable, Registration};
 use crate::Async;
 
-use std::convert::TryFrom;
 use std::future::Future;
 use std::io::{self, Result};
 use std::os::windows::io::{AsHandle, AsRawHandle, BorrowedHandle, OwnedHandle, RawHandle};
diff --git a/tests/async.rs b/tests/async.rs
index ea9f11b..f425f04 100644
--- a/tests/async.rs
+++ b/tests/async.rs
@@ -1,4 +1,3 @@
-use std::future::Future;
 use std::io;
 use std::net::{Shutdown, TcpListener, TcpStream, UdpSocket};
 #[cfg(unix)]