diff --git a/doc/source/conf.py b/doc/source/conf.py
index 0cfdf34..067eb81 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -158,10 +158,6 @@
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
 
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-html_use_smartypants = False
-
 # Custom sidebar templates, maps document names to template names.
 #html_sidebars = {}
 
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 3137541..ae3dca1 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -158,10 +158,6 @@
 # using the given strftime format.
 # html_last_updated_fmt = '%b %d, %Y'
 
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-# html_use_smartypants = True
-
 # Custom sidebar templates, maps document names to template names.
 # html_sidebars = {}