diff --git a/doc/utils/sphinx-config/conf.py.in b/doc/utils/sphinx-config/conf.py.in
index fc9e68c4df..d4e864c416 100644
--- a/doc/utils/sphinx-config/conf.py.in
+++ b/doc/utils/sphinx-config/conf.py.in
@@ -57,7 +57,6 @@ extensions = [
     'table_from_list',
     'tab_or_note',
     'breathe',
-    'sphinx_design'
 ]
 
 images_config = {
diff --git a/doc/utils/sphinx-config/false_positives.txt b/doc/utils/sphinx-config/false_positives.txt
index b7edd05ea7..1e1e45a645 100644
--- a/doc/utils/sphinx-config/false_positives.txt
+++ b/doc/utils/sphinx-config/false_positives.txt
@@ -790,6 +790,7 @@ dispersionflag
 dissipative
 Dissipative
 distharm
+distutils
 dl
 dlabel
 dlambda