diff --git a/nixos/doc/manual/release-notes/rl-1909.xml b/nixos/doc/manual/release-notes/rl-1909.xml
index f7a57125825..097863f0f4b 100644
--- a/nixos/doc/manual/release-notes/rl-1909.xml
+++ b/nixos/doc/manual/release-notes/rl-1909.xml
@@ -112,27 +112,11 @@
       </link>
     </para>
    </listitem>
-  </itemizedlist>
- </section>
-
- <section xmlns="http://docbook.org/ns/docbook"
-         xmlns:xlink="http://www.w3.org/1999/xlink"
-         xmlns:xi="http://www.w3.org/2001/XInclude"
-         version="5.0"
-         xml:id="sec-release-19.09-incompatibilities">
-  <title>Backward Incompatibilities</title>
-
-  <para>
-   When upgrading from a previous release, please be aware of the following
-   incompatible changes:
-  </para>
-
-  <itemizedlist>
    <listitem>
     <para>
-        The limesurvey apache subservice was replaced with a full NixOS module.
-        One can configure it using the <option>services.limesurvey.enable</option>
-        and <option>services.limesurvey.virtualHost</option> options.
+      The limesurvey apache subservice was replaced with a full NixOS module.
+      One can configure it using the <option>services.limesurvey.enable</option>
+      and <option>services.limesurvey.virtualHost</option> options.
     </para>
    </listitem>
   </itemizedlist>