diff --git a/src/calibre/ebooks/oeb/iterator.py b/src/calibre/ebooks/oeb/iterator.py
index 10180541a1..6820709b3e 100644
--- a/src/calibre/ebooks/oeb/iterator.py
+++ b/src/calibre/ebooks/oeb/iterator.py
@@ -257,7 +257,6 @@ class EbookIterator(object):
             s.max_page = s.start_page + s.pages - 1
         self.toc = self.opf.toc
 
-        self.find_embedded_fonts()
         self.read_bookmarks()
 
         return self