diff --git a/documentation/ref-manual/system-requirements.rst b/documentation/ref-manual/system-requirements.rst
index 310ee45611..62da1bfaaa 100644
--- a/documentation/ref-manual/system-requirements.rst
+++ b/documentation/ref-manual/system-requirements.rst
@@ -45,14 +45,8 @@ distributions:
 
 -  Fedora 35
 
--  CentOS 7.x
-
--  CentOS 8.x
-
 -  AlmaLinux 8.5
 
--  Debian GNU/Linux 9.x (Stretch)
-
 -  Debian GNU/Linux 10.x (Buster)
 
 -  Debian GNU/Linux 11.x (Bullseye)
@@ -120,12 +114,6 @@ supported Ubuntu or Debian Linux distribution:
          $ sudo apt build-dep qemu
          $ sudo apt remove oss4-dev
 
-   -  For Debian-8, ``python3-git`` and ``pylint3`` are no longer
-      available via ``apt``.
-      ::
-
-         $ sudo pip3 install GitPython pylint==1.9.5
-
 -  *Essentials:* Packages needed to build an image on a headless system::
 
       $ sudo apt install &UBUNTU_HOST_PACKAGES_ESSENTIAL;
@@ -136,12 +124,6 @@ supported Ubuntu or Debian Linux distribution:
       $ sudo apt install make python3-pip inkscape texlive-latex-extra
       &PIP3_HOST_PACKAGES_DOC;
 
-   .. note::
-
-      It is currently not possible to build out documentation from Debian 8
-      (Jessie) because of outdated ``pip3`` and ``python3``. ``python3-sphinx``
-      is too outdated.
-
 Fedora Packages
 ---------------
 
@@ -177,38 +159,11 @@ supported openSUSE Linux distribution:
       &PIP3_HOST_PACKAGES_DOC;
 
 
-CentOS-7 Packages
------------------
+AlmaLinux-8 Packages
+--------------------
 
 Here are the required packages by function given a
-supported CentOS-7 Linux distribution:
-
--  *Essentials:* Packages needed to build an image for a headless
-   system::
-
-      $ sudo yum install &CENTOS7_HOST_PACKAGES_ESSENTIAL;
-
-   .. note::
-
-      -  Extra Packages for Enterprise Linux (i.e. ``epel-release``) is
-         a collection of packages from Fedora built on RHEL/CentOS for
-         easy installation of packages not included in enterprise Linux
-         by default. You need to install these packages separately.
-
-      -  The ``makecache`` command consumes additional Metadata from
-         ``epel-release``.
-
--  *Documentation:* Packages needed if you are going to build out the
-   Yocto Project documentation manuals::
-
-      $ sudo yum install make python3-pip which inkscape texlive-fncychap
-      &PIP3_HOST_PACKAGES_DOC;
-
-CentOS-8 Packages
------------------
-
-Here are the required packages by function given a
-supported CentOS-8 Linux distribution:
+supported AlmaLinux-8 Linux distribution:
 
 -  *Essentials:* Packages needed to build an image for a headless
    system::