Remove unused and now removed config value.
diff --git a/Doc/conf.py b/Doc/conf.py
index 3bd82b1..d663d82 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -38,13 +38,6 @@
# Else, today_fmt is used as the format for a strftime call.
today_fmt = '%B %d, %Y'
-# List of files that shouldn't be included in the build.
-unused_docs = [
- 'maclib/scrap',
- 'library/xmllib',
- 'library/xml.etree',
-]
-
# Ignore .rst in Sphinx its self.
exclude_trees = ['tools/sphinx']
@@ -61,6 +54,7 @@
# By default, highlight as Python 3.
highlight_language = 'python3'
+# Require Sphinx 1.2 for build.
needs_sphinx = '1.2'