diff --git a/doc/source/index.rst b/doc/source/index.rst
index 3c793da..98f8992 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -29,6 +29,5 @@
 ==================
 
 * :ref:`genindex`
-* :ref:`modindex`
 * :ref:`search`