diff --git a/doc/conf.py b/doc/conf.py
index 10b72ecb91..844f951ab7 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -85,13 +85,6 @@ def fio_version():
 
 version, release = fio_version()
 
-# The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-#
-# This is also used if you do content translation via gettext catalogs.
-# Usually you set "language" from the command line for these cases.
-language = None
-
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
 #