diff --git a/paramiko/channel.py b/paramiko/channel.py
index 1c9ae4b..534f8d7 100644
--- a/paramiko/channel.py
+++ b/paramiko/channel.py
@@ -25,7 +25,6 @@ import sys
 import time
 import threading
 import socket
-import errno
 import os
 
 from paramiko.common import *