diff --git a/src/calibre/ebooks/conversion/utils.py b/src/calibre/ebooks/conversion/utils.py
index 874e157063..ba9feff4f7 100644
--- a/src/calibre/ebooks/conversion/utils.py
+++ b/src/calibre/ebooks/conversion/utils.py
@@ -8,7 +8,6 @@ __docformat__ = 'restructuredtext en'
 import re
 from calibre.ebooks.conversion.preprocess import line_length
 from calibre.utils.logging import default_log
-from calibre import entity_to_unicode
 
 class PreProcessor(object):