diff --git a/nixos/doc/manual/release-notes/rl-1909.xml b/nixos/doc/manual/release-notes/rl-1909.xml
index 0a0228cdffb..2dc2dc41ff2 100644
--- a/nixos/doc/manual/release-notes/rl-1909.xml
+++ b/nixos/doc/manual/release-notes/rl-1909.xml
@@ -35,26 +35,6 @@
    The following new services were added since the last release:
   </para>
 
-  <itemizedlist>
-   <listitem>
-    <para>
-       Besides the existing <option>services.prometheus</option> module which
-       targets Prometheus-1 a new <option>services.prometheus2</option> module
-       has been added which targets Prometheus-2.
-    </para>
-    <para>
-       Both modules can be enabled at the same time. In fact
-       <link xlink:href="https://prometheus.io/docs/prometheus/latest/migration/#storage">
-       this is needed for upgrading existing Prometheus-1 data to Prometheus-2
-       </link>.
-    </para>
-   </listitem>
-   <listitem>
-    <para>
-      There is a new <option>services.tox-node</option> module for running tox bootstrap nodes.
-    </para>
-   </listitem>
-  </itemizedlist>
  </section>
 
  <section xmlns="http://docbook.org/ns/docbook"
@@ -87,25 +67,6 @@
      accordingly.
     </para>
    </listitem>
-   <listitem>
-    <para>
-      The directory where Prometheus will store its metric data is now
-      managed by systemd's StateDirectory mechanism. It still defaults
-      to <literal>/var/lib/prometheus</literal>.
-    </para>
-    <para>
-      Its location can be specified by the new
-      <option>services.prometheus.stateDir</option> option which
-      defaults to <literal>prometheus</literal>. Note that this should
-      be a directory relative to <literal>/var/lib/</literal>.
-    </para>
-    <para>
-      The option <option>services.prometheus.dataDir</option> has been
-      deprecated. You can still set it but it's now required to have
-      <literal>/var/lib/</literal> as a prefix and you can't set
-      <option>services.prometheus.stateDir</option> at the same time.
-    </para>
-   </listitem>
    <listitem>
     <para>
       The options <option>services.prometheus.alertmanager.user</option> and