diff --git a/doc/source/index.rst b/doc/source/index.rst
index a747d66..9dae1f9 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -20,5 +20,4 @@ Indices and tables
 ==================
 
 * :ref:`genindex`
-* :ref:`modindex`
 * :ref:`search`