diff --git a/sphinx/builders/html.py b/sphinx/builders/html.py
index 719cc6382..0bf180b8c 100644
--- a/sphinx/builders/html.py
+++ b/sphinx/builders/html.py
@@ -22,7 +22,7 @@ except ImportError:
 
 from docutils import nodes
 from docutils.io import DocTreeInput, StringOutput
-from docutils.core import Publisher, publish_parts
+from docutils.core import Publisher
 from docutils.utils import new_document
 from docutils.frontend import OptionParser
 from docutils.readers.doctree import Reader as DoctreeReader