diff --git a/docs/conf.py b/docs/conf.py
index 6980387e2..553edee55 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -99,7 +99,6 @@
     'sphinx.ext.coverage',
     'sphinxcontrib.apidoc',
     'sphinxarg.ext',
-    'sphinx_markdown_tables',
     'sphinx_copybutton',
     'sphinx_sitemap',
     'sphinx.ext.intersphinx',