diff --git a/website/content/en/releases/_index.adoc b/website/content/en/releases/_index.adoc
--- a/website/content/en/releases/_index.adoc
+++ b/website/content/en/releases/_index.adoc
@@ -34,7 +34,6 @@
 Production:
 
 * *Release {rel124-current}* ({rel124-current-date}) _link:{u-rel124-announce}[Announcement] : link:{u-rel124-notes}[Release Notes] : link:{u-rel124-installation}[Installation Instructions] : link:{u-rel124-hardware}[Hardware Compatibility List] : link:{u-rel124-readme}[Readme] : link:{u-rel124-errata}[Errata] : link:{u-rel124-signatures}[Signed Checksums]_
-* *Release {rel123-current}* ({rel123-current-date}) _link:{u-rel123-announce}[Announcement] : link:{u-rel123-notes}[Release Notes] : link:{u-rel123-installation}[Installation Instructions] : link:{u-rel123-hardware}[Hardware Compatibility List] : link:{u-rel123-readme}[Readme] : link:{u-rel123-errata}[Errata] : link:{u-rel123-signatures}[Signed Checksums]_
 * *Release {rel131-current}* ({rel131-current-date}) _link:{u-rel131-announce}[Announcement] : link:{u-rel131-notes}[Release Notes] : link:{u-rel131-installation}[Installation Instructions] : link:{u-rel131-hardware}[Hardware Compatibility List] : link:{u-rel131-readme}[Readme] : link:{u-rel131-errata}[Errata] : link:{u-rel131-signatures}[Signed Checksums]_
 
 ////
@@ -56,6 +55,7 @@
 For historical information about branches, release dates, types, and EOL dates, see link:../security/unsupported/[Unsupported Releases].
 
 * *{rel130-current}* ({rel130-current-date}) _link:{u-rel130-announce}[Announcement] : link:{u-rel130-notes}[Release Notes] : link:{u-rel130-installation}[Installation Instructions] : link:{u-rel130-hardware}[Hardware Compatibility List] : link:{u-rel130-readme}[Readme] : link:{u-rel130-errata}[Errata] : link:{u-rel130-signatures}[Signed Checksums]_
+* *12.3* ({rel123-current-date}) _link:{u-rel123-announce}[Announcement] : link:{u-rel123-notes}[Release Notes] : link:{u-rel123-installation}[Installation Instructions] : link:{u-rel123-hardware}[Hardware Compatibility List] : link:{u-rel123-readme}[Readme] : link:{u-rel123-errata}[Errata] : link:{u-rel123-signatures}[Signed Checksums]_
 * *12.2* ({rel122-current-date}) _link:{u-rel122-announce}[Announcement] : link:{u-rel122-notes}[Release Notes] : link:{u-rel122-installation}[Installation Instructions] : link:{u-rel122-hardware}[Hardware Compatibility List] : link:{u-rel122-readme}[Readme] : link:{u-rel122-errata}[Errata] : link:{u-rel122-signatures}[Signed Checksums]_
 * *{rel121-current}* ({rel121-current-date}) _link:{u-rel121-announce}[Announcement] : link:{u-rel121-notes}[Release Notes] : link:{u-rel121-installation}[Installation Instructions] : link:{u-rel121-hardware}[Hardware Compatibility List] : link:{u-rel121-readme}[Readme] : link:{u-rel121-errata}[Errata] : link:{u-rel121-signatures}[Signed Checksums]_
 * *12.0* ({rel120-current-date}) _link:12.0R/announce/[Announcement]: link:12.0R/relnotes/[Release Notes]: link:12.0R/installation/[Installation Instructions]: link:12.0R/hardware/[Hardware Notes]: link:12.0R/readme/[Readme]: link:12.0R/errata/[Errata]: link:12.0R/signatures/[Checksums]_
diff --git a/website/content/en/security/_index.adoc b/website/content/en/security/_index.adoc
--- a/website/content/en/security/_index.adoc
+++ b/website/content/en/security/_index.adoc
@@ -99,7 +99,6 @@
 |stable/13 |n/a |n/a |January 31, 2026
 |releng/13.1 |13.1-RELEASE |May 16, 2022 |13.2-RELEASE + 3 months
 |stable/12 |n/a |n/a |December 31, 2023
-|releng/12.3 |12.3-RELEASE |December 7, 2021 |March 31, 2023
 |releng/12.4 |12.4-RELEASE |December 5, 2022 |December 31, 2023
 |===
 
diff --git a/website/themes/beastie/layouts/index.html b/website/themes/beastie/layouts/index.html
--- a/website/themes/beastie/layouts/index.html
+++ b/website/themes/beastie/layouts/index.html
@@ -48,7 +48,6 @@
             <ul id="frontreleaseslist">
               <li>
                 {{ i18n "production" }}:
-                <a href={{ index $.Site.Data.releases "u-rel123-announce" }}>{{ index $.Site.Data.releases "rel123-current" }}</a>,
                 <a href={{ index $.Site.Data.releases "u-rel124-announce" }}>{{ index $.Site.Data.releases "rel124-current" }}</a>,
                 <a href={{ index $.Site.Data.releases "u-rel131-announce" }}>{{ index $.Site.Data.releases "rel131-current" }}</a>
               </li>
diff --git a/website/themes/beastie/layouts/partials/sidenav.html b/website/themes/beastie/layouts/partials/sidenav.html
--- a/website/themes/beastie/layouts/partials/sidenav.html
+++ b/website/themes/beastie/layouts/partials/sidenav.html
@@ -61,7 +61,6 @@
   <li>
     <a href={{ "releases" | absLangURL }}>{{ i18n "releases" }}</a>
     <ul>
-      <li>{{ i18n "productionRelease" }}: <br /><a href={{ index .data.releases "u-rel123-announce" }}>{{ index .data.releases "rel123-current" }}</a></li>
       <li>{{ i18n "productionRelease" }}: <br /><a href={{ index .data.releases "u-rel124-announce" }}>{{ index .data.releases "rel124-current" }}</a></li>
       <li>{{ i18n "productionRelease" }}: <br /><a href={{ index .data.releases "u-rel131-announce" }}>{{ index .data.releases "rel131-current" }}</a></li>
     </ul>