diff --git a/book/sphinx/conf.py b/book/sphinx/conf.py
index 9926e114..4cdb8ce6 100644
--- a/book/sphinx/conf.py
+++ b/book/sphinx/conf.py
@@ -11,12 +11,10 @@
 extensions = [
     "sphinx.ext.viewcode",
     "sphinx.ext.mathjax",
-    "autoapi.extension",
     "sphinx.ext.napoleon",
-    "recommonmark",
+    "autoapi.extension"
 ]
 
-
 source_dir = "cvx"
 autoapi_type = "python"
 autoapi_dirs = [f"../../{source_dir}"]