diff --git a/manual/source/alert.rst b/manual/source/alert.rst
index 83c491b..69f3c5a 100644
--- a/manual/source/alert.rst
+++ b/manual/source/alert.rst
@@ -1,7 +1,5 @@
 .. _alerts:
 
-.. index:: alerts
-
 =====
 Alert
 =====