diff --git a/mkdocs/config.py b/mkdocs/config.py
index c73f6df2..d89b8801 100644
--- a/mkdocs/config.py
+++ b/mkdocs/config.py
@@ -4,9 +4,7 @@ from mkdocs import utils
 from mkdocs.compat import urlparse
 from mkdocs.exceptions import ConfigurationError
 
-import errno
 import os
-import sys
 import yaml
 
 DEFAULT_CONFIG = {