diff --git a/documentation/ref-manual/system-requirements.rst b/documentation/ref-manual/system-requirements.rst
index 0ea52ae951e9c72bd876fc139b861b343282ebbe..bc458ce9f1986452380ed3d614a1adfd473b1507 100644
--- a/documentation/ref-manual/system-requirements.rst
+++ b/documentation/ref-manual/system-requirements.rst
@@ -65,7 +65,6 @@ supported on the following distributions:
 -  AlmaLinux 8
 -  AlmaLinux 9
 -  CentOS Stream 9
--  Debian GNU/Linux 11 (Bullseye)
 -  Debian GNU/Linux 12 (Bookworm)
 -  Fedora 39
 -  Fedora 40
diff --git a/documentation/tools/build-docs-container b/documentation/tools/build-docs-container
index 108809838e53a70bb79b7de46314fa42928f6a50..70b3226ce2b2a93db17ef46347f25b2f4748656a 100755
--- a/documentation/tools/build-docs-container
+++ b/documentation/tools/build-docs-container
@@ -77,8 +77,6 @@ main ()
     #   docs_pdf=almalinux_docs_pdf.sh
     #   pip3=pip3_docs.sh
     #   ;;
-    # Missing python3-saneyaml
-    # "debian:11"*|\
     "debian:12"*)
       containerfile=Containerfile.debian
       docs=ubuntu_docs.sh