diff --git a/src/io/read/mod.rs b/src/io/read/mod.rs
index 3cd2350..cf858b2 100644
--- a/src/io/read/mod.rs
+++ b/src/io/read/mod.rs
@@ -1,14 +1,14 @@
 mod read;
-mod read_vectored;
-mod read_to_end;
 mod read_exact;
+mod read_to_end;
 mod read_to_string;
+mod read_vectored;
 
-use read_to_string::ReadToStringFuture;
-use read_to_end::{ReadToEndFuture, read_to_end_internal};
 use read::ReadFuture;
-use read_vectored::ReadVectoredFuture;
 use read_exact::ReadExactFuture;
+use read_to_end::{read_to_end_internal, ReadToEndFuture};
+use read_to_string::ReadToStringFuture;
+use read_vectored::ReadVectoredFuture;
 
 use std::io::IoSliceMut;
 use std::mem;
diff --git a/src/io/read/read.rs b/src/io/read/read.rs
index 5f729e8..0f88353 100644
--- a/src/io/read/read.rs
+++ b/src/io/read/read.rs
@@ -1,8 +1,8 @@
 use crate::future::Future;
 use crate::task::{Context, Poll};
 
-use std::pin::Pin;
 use std::io;
+use std::pin::Pin;
 
 use futures_io::AsyncRead;
 
diff --git a/src/io/read/read_exact.rs b/src/io/read/read_exact.rs
index 1e960d2..ffc3600 100644
--- a/src/io/read/read_exact.rs
+++ b/src/io/read/read_exact.rs
@@ -2,8 +2,8 @@ use crate::future::Future;
 use crate::task::{Context, Poll};
 
 use std::io;
-use std::pin::Pin;
 use std::mem;
+use std::pin::Pin;
 
 use futures_io::AsyncRead;
 
diff --git a/src/io/read/read_to_string.rs b/src/io/read/read_to_string.rs
index 10daba5..9a3bced 100644
--- a/src/io/read/read_to_string.rs
+++ b/src/io/read/read_to_string.rs
@@ -1,11 +1,11 @@
+use super::read_to_end_internal;
 use crate::future::Future;
 use crate::task::{Context, Poll};
-use super::read_to_end_internal;
 
 use std::io;
+use std::mem;
 use std::pin::Pin;
 use std::str;
-use std::mem;
 
 use futures_io::AsyncRead;
 
diff --git a/src/io/write/mod.rs b/src/io/write/mod.rs
index 41a00c1..98fd834 100644
--- a/src/io/write/mod.rs
+++ b/src/io/write/mod.rs
@@ -1,11 +1,11 @@
 mod flush;
-mod write_all;
 mod write;
+mod write_all;
 mod write_vectored;
 
 use flush::FlushFuture;
-use write_all::WriteAllFuture;
 use write::WriteFuture;
+use write_all::WriteAllFuture;
 use write_vectored::WriteVectoredFuture;
 
 use std::io::IoSlice;
diff --git a/src/io/write/write_all.rs b/src/io/write/write_all.rs
index a5c3090..d43854a 100644
--- a/src/io/write/write_all.rs
+++ b/src/io/write/write_all.rs
@@ -2,8 +2,8 @@ use crate::future::Future;
 use crate::task::{Context, Poll};
 
 use std::io;
-use std::pin::Pin;
 use std::mem;
+use std::pin::Pin;
 
 use futures_io::AsyncWrite;
 
diff --git a/src/io/write/write_vectored.rs b/src/io/write/write_vectored.rs
index fadf2fc..0f3e49a 100644
--- a/src/io/write/write_vectored.rs
+++ b/src/io/write/write_vectored.rs
@@ -2,8 +2,8 @@ use crate::future::Future;
 use crate::task::{Context, Poll};
 
 use std::io;
-use std::pin::Pin;
 use std::io::IoSlice;
+use std::pin::Pin;
 
 use futures_io::AsyncWrite;