--- a/docxcompose/properties.py
+++ b/docxcompose/properties.py
@@ -13,8 +13,8 @@
 from docxcompose.utils import xpath
 from lxml.etree import FunctionNamespace
 from lxml.etree import QName
-from six import binary_type
-from six import text_type
+binary_type = bytes
+text_type = str
 import pkg_resources
 import re
 
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,6 @@
         'lxml',
         'python-docx >= 0.8.8',
         'setuptools',
-        'six',
         'babel',
     ],
     extras_require={