diff --git a/docs/conf.py b/docs/conf.py
index b9b912c..45efbcd 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -53,8 +53,7 @@
     "sphinx.ext.napoleon",
     "sphinx.ext.intersphinx",
     "sphinx.ext.extlinks",
-    "sphinx_design",
-    "sphinx_copybutton",
+    "sphinx.ext.todo",
 ]