diff --git a/doc/conf.py b/doc/conf.py
index c805ea6..0dead19 100755
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -86,7 +86,6 @@ def setup(app):
 # If your documentation needs a minimal Sphinx version, state it here.
 #
 # needs_sphinx = '1.0'
-needs_sphinx < '3.4.2'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom