diff --git a/doc/source/index.rst b/doc/source/index.rst
index d566b4b..1429ffd 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -18,6 +18,5 @@ Indices and tables
 ==================
 
 * :ref:`genindex`
-* :ref:`modindex`
 * :ref:`search`