diff --git a/Doc/Sda2/jax-rs.xml b/Doc/Sda2/jax-rs.xml
deleted file mode 100644
index 9298e9676b0312e47f23f623aee03a5aba476d8c..0000000000000000000000000000000000000000
--- a/Doc/Sda2/jax-rs.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<chapter version="5.1" xml:id="jax-rs" xmlns="http://docbook.org/ns/docbook"
- xmlns:xlink="http://www.w3.org/1999/xlink"
- xmlns:xi="http://www.w3.org/2001/XInclude"
- xmlns:svg="http://www.w3.org/2000/svg"
- xmlns:m="http://www.w3.org/1998/Math/MathML"
- xmlns:html="http://www.w3.org/1999/xhtml"
- xmlns:db="http://docbook.org/ns/docbook">
- <title>REST applications based on <xref linkend="glo_Java"/>-rs</title>
-
- <figure xml:id="sda2FigJaxRS">
- <title>Basics on Jax-RS</title>
-
- <mediaobject>
- <imageobject>
- <imagedata fileref="Ref/Fig/jaxRs.svg"/>
- </imageobject>
- </mediaobject>
- </figure>
-
- <para>Sample chapters from <xref linkend="bib_Burke13"/> available at <uri
- xlink:href="https://github.com/oreillymedia/restful_java_jax-rs_2_0">https://github.com/oreillymedia/restful_java_jax-rs_2_0</uri>.</para>
-</chapter>
diff --git a/Doc/lectures.xml b/Doc/lectures.xml
index d95662077f620b2f6ebe2c5fb2270c23c0675a15..8ce8d41abe94bc6ad3fea920cd5f38e7a1a3784b 100644
--- a/Doc/lectures.xml
+++ b/Doc/lectures.xml
@@ -159,14 +159,13 @@
<title>Past SDA1 examinations</title>
<xi:include href="Sda1/Exam/2019/Summer/exam.xml"
- xpointer="element(/1)"/>
+ xpointer="element(/1)"/>
<xi:include href="Sda1/Exam/2019/Winter/Solve/Doc/tasks.xml"
- xpointer="element(/1)"/>
-
- <xi:include href="Sda1/Exam/2020/Summer/Solve/Doc/tasks.xml"
- xpointer="element(/1)"/>
+ xpointer="element(/1)"/>
+ <xi:include href="Sda1/Exam/2020/Summer/Solve/Doc/tasks.xml"
+ xpointer="element(/1)"/>
</section>
</appendix>
</part>
@@ -189,8 +188,6 @@
<xi:include href="Sda2/ldap.xml" xpointer="element(/1)"/>
<xi:include href="Sda2/jpa.xml" xpointer="element(/1)"/>
-
- <xi:include href="Sda2/jax-rs.xml" xpointer="element(/1)"/>
</part>
<part annotations="forumId=13;" xml:id="sdi">