--- a/src/source/developerguide.rst	Tue Aug 14 18:26:02 2018 +0200
+++ b/src/source/developerguide.rst	Tue Aug 14 18:27:10 2018 +0200
@@ -7,7 +7,6 @@
 .. toctree::
    :maxdepth: 2
 
-   Zope Component Architecture <zca>
    Package directory layout <package_layout>
    appextend
    traverser