diff --git a/docs/source/coreapi_usage.rst b/docs/source/coreapi_usage.rst
index c12c6e87..0648e999 100644
--- a/docs/source/coreapi_usage.rst
+++ b/docs/source/coreapi_usage.rst
@@ -110,8 +110,6 @@ The data is fetched seamlessly on-demand from the audio file(s). The opening/clo
 
 Eventual time gap between audio items are filled with ``0.`` values.
 
-.. _normalization:
-
 Normalization
 """""""""""""