diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 0672635..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/README
-/sudo.sh
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..24b9ea2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# Package Not Available
+This package is not available on CentOS Stream 10.
+It may be available on another branch.
\ No newline at end of file
diff --git a/dead.package b/dead.package
new file mode 100644
index 0000000..ac72e3e
--- /dev/null
+++ b/dead.package
@@ -0,0 +1 @@
+gcc-toolset-12 package is retired on branch c10s for CS-2551
\ No newline at end of file
diff --git a/gating.yaml b/gating.yaml
deleted file mode 100644
index 6985029..0000000
--- a/gating.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
---- !Policy
-product_versions:
-  - rhel-8
-decision_context: osci_compose_gate
-rules:
-  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
diff --git a/gcc-toolset-12.spec b/gcc-toolset-12.spec
deleted file mode 100644
index adf0d40..0000000
--- a/gcc-toolset-12.spec
+++ /dev/null
@@ -1,193 +0,0 @@
-%global __python /usr/bin/python3
-%global scl gcc-toolset-12
-%scl_package %scl
-
-Summary: Package that installs %scl
-Name: %scl_name
-Version: 12.0
-Release: 5%{?dist}
-License: GPLv2+
-Group: Applications/File
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-Source0: README
-Source1: sudo.sh
-
-Requires: %{scl_prefix}runtime
-Requires: %{scl_prefix}gcc %{scl_prefix}gcc-c++ %{scl_prefix}gcc-gfortran
-Requires: %{scl_prefix}binutils
-Requires: %{scl_prefix}gdb
-Requires: %{scl_prefix}dwz
-Requires: %{scl_prefix}annobin-plugin-gcc
-Obsoletes: %{name} < %{version}-%{release}
-Obsoletes: %{scl_prefix}dockerfiles < %{version}-%{release}
-
-BuildRequires: scl-utils-build >= 20120927-11
-BuildRequires: iso-codes
-BuildRequires: help2man
-%if 0%{?rhel} >= 8
-BuildRequires: python3-devel
-%endif
-
-%description
-This is the main package for %scl Software Collection.
-
-%package runtime
-Summary: Package that handles %scl Software Collection.
-Group: Applications/File
-Requires: scl-utils >= 20120927-11
-Obsoletes: %{name}-runtime < %{version}-%{release}
-%if 0%{?rhel} >= 7
-Requires(post): %{_root_sbindir}/semanage %{_root_sbindir}/restorecon
-Requires(postun): %{_root_sbindir}/semanage %{_root_sbindir}/restorecon
-%else
-Requires(post): libselinux policycoreutils-python
-Requires(postun): libselinux policycoreutils-python
-%endif
-
-%description runtime
-Package shipping essential scripts to work with %scl Software Collection.
-
-%package build
-Summary: Package shipping basic build configuration
-Group: Applications/File
-Requires: %{scl_prefix}runtime
-Requires: scl-utils-build >= 20120927-11
-Obsoletes: %{name}-build < %{version}-%{release}
-
-%description build
-Package shipping essential configuration macros to build %scl Software Collection.
-
-%prep
-%setup -c -T
-
-# This section generates README file from a template and creates man page
-# from that file, expanding RPM macros in the template file.
-cat <<'EOF' | tee README
-%{expand:%(cat %{SOURCE0})}
-EOF
-
-%build
-
-# Temporary helper script used by help2man.
-cat <<\EOF | tee h2m_helper
-#!/bin/sh
-if [ "$1" = "--version" ]; then
-  printf '%%s' "%{?scl_name} %{version} Software Collection"
-else
-  cat README
-fi
-EOF
-chmod a+x h2m_helper
-# Generate the man page.
-help2man -N --section 7 ./h2m_helper -o %{?scl_name}.7
-
-# Enable collection script
-# ========================
-cat <<EOF >enable
-# General environment variables
-export PATH=%{_bindir}\${PATH:+:\${PATH}}
-export MANPATH=%{_mandir}\${MANPATH:+:\${MANPATH}}
-export INFOPATH=%{_infodir}\${INFOPATH:+:\${INFOPATH}}
-# ??? We probably don't need this anymore.
-export PCP_DIR=%{_scl_root}
-# bz847911 workaround:
-# we need to evaluate rpm's installed run-time % { _libdir }, not rpmbuild time
-# or else /etc/ld.so.conf.d files?
-rpmlibdir=\$(rpm --eval "%%{_libdir}")
-# bz1017604: On 64-bit hosts, we should include also the 32-bit library path.
-# bz1873882: On 32-bit hosts, we should include also the 64-bit library path.
-# bz2027377: Avoid unbound variables
-if [ "\$rpmlibdir" != "\${rpmlibdir/lib64/}" ]; then
-  rpmlibdir32=":%{_scl_root}\${rpmlibdir/lib64/lib}"
-  rpmlibdir64=
-else
-  rpmlibdir64=":%{_scl_root}\${rpmlibdir/lib/lib64}"
-  rpmlibdir32=
-fi
-# Prepend the usual /opt/.../usr/lib{64,}.
-export LD_LIBRARY_PATH=%{_scl_root}\$rpmlibdir\$rpmlibdir64\$rpmlibdir32\${LD_LIBRARY_PATH:+:\${LD_LIBRARY_PATH}}
-export PKG_CONFIG_PATH=%{_libdir}/pkgconfig\${PKG_CONFIG_PATH:+:\${PKG_CONFIG_PATH}}
-EOF
-
-# Sudo script
-# ===========
-cat <<'EOF' > sudo
-%{expand:%(cat %{SOURCE1})}
-EOF
-
-%install
-(%{scl_install})
-
-# This allows users to build packages using DTS/GTS.
-cat >> %{buildroot}%{_root_sysconfdir}/rpm/macros.%{scl}-enable << EOF
-%%enable_devtoolset12 %%global ___build_pre %%{___build_pre}; source scl_source enable %{scl} || :
-EOF
-
-mkdir -p %{buildroot}%{_scl_root}/etc/alternatives %{buildroot}%{_scl_root}/var/lib/alternatives
-
-install -d -m 755 %{buildroot}%{_scl_scripts}
-install -p -m 755 enable %{buildroot}%{_scl_scripts}/
-
-install -d -m 755 %{buildroot}%{_scl_scripts}
-install -p -m 755 sudo %{buildroot}%{_bindir}/
-
-# Other directories that should be owned by the runtime
-install -d -m 755 %{buildroot}%{_datadir}/appdata
-# Otherwise unowned perl directories
-install -d -m 755 %{buildroot}%{_libdir}/perl5
-install -d -m 755 %{buildroot}%{_libdir}/perl5/vendor_perl
-install -d -m 755 %{buildroot}%{_libdir}/perl5/vendor_perl/auto
-
-# Install generated man page.
-install -d -m 755 %{buildroot}%{_mandir}/man7
-install -p -m 644 %{?scl_name}.7 %{buildroot}%{_mandir}/man7/
-
-%files
-%doc README
-%{_mandir}/man7/%{?scl_name}.*
-
-%files runtime
-%scl_files
-%{_root_sysconfdir}/rpm/macros.%{scl}-enable
-%attr(0644,root,root) %verify(not md5 size mtime) %ghost %config(missingok,noreplace) %{_sysconfdir}/selinux-equiv.created
-%dir %{_scl_root}/etc/alternatives
-%dir %{_datadir}/appdata
-
-%files build
-%{_root_sysconfdir}/rpm/macros.%{scl}-config
-
-%post runtime
-if [ ! -f %{_sysconfdir}/selinux-equiv.created ]; then
-  /usr/sbin/semanage fcontext -a -e / %{_scl_root}
-  restorecon -R %{_scl_root}
-  touch %{_sysconfdir}/selinux-equiv.created
-fi
-
-%preun runtime
-[ $1 = 0 ] && rm -f %{_sysconfdir}/selinux-equiv.created || :
-
-%postun runtime
-if [ $1 = 0 ]; then
-  /usr/sbin/semanage fcontext -d %{_scl_root}
-  [ -d %{_scl_root} ] && restorecon -R %{_scl_root} || :
-fi
-
-%changelog
-* Wed Jun 29 2022 Marek Polacek <polacek@redhat.com> - 12.0-5
-- require -annobin-plugin-gcc (#2102356)
-
-* Mon Jun 13 2022 Marek Polacek <polacek@redhat.com> - 12.0-4
-- NVR bump and rebuild
-
-* Fri May 27 2022 Marek Polacek <polacek@redhat.com> - 12.0-3
-- use rpm/macros.%{scl}-enable for %enable_devtoolset12 and put it in
-  the -runtime subpackage (#2009528)
-
-* Fri May 27 2022 Marek Polacek <polacek@redhat.com> - 12.0-2
-- cut down the required packages, remove -toolchain and -perftools
-
-* Mon May 16 2022 Martin Cermak <mcermak@redhat.com> - 12.0-1
-- NVR bump and rebuild, introduce CI gating setup
-
-* Tue May 10 2022 Marek Polacek <polacek@redhat.com> - 12.0-0
-- new package (#2077277)
diff --git a/sources b/sources
deleted file mode 100644
index 422d245..0000000
--- a/sources
+++ /dev/null
@@ -1,2 +0,0 @@
-SHA512 (README) = 81f0ee6593eea57c5eae4e27cf559fa7ac3968806ee1449e2959a0586d189070f337696a241100e0722f58465e740d2f0b8901f0749bf8bf1b7b82aa46fd03f1
-SHA512 (sudo.sh) = 1378412b39b31f1f76b9d7b9fce5ea679e764a2fd85804fbc3b9ce1c8b5e9b1694be854b4407d1b5dba229763127c9cc64bc09bdf87b384c93536b97d001520d
diff --git a/tests/gts-smoketest/PURPOSE b/tests/gts-smoketest/PURPOSE
deleted file mode 100644
index bdf2003..0000000
--- a/tests/gts-smoketest/PURPOSE
+++ /dev/null
@@ -1,3 +0,0 @@
-Test Name: gts-smoketest
-Author:
-Short Description: Check the metapackage installability
diff --git a/tests/gts-smoketest/runtest.sh b/tests/gts-smoketest/runtest.sh
deleted file mode 100755
index 926435f..0000000
--- a/tests/gts-smoketest/runtest.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/sh
-
-set -e
-set -x
-
-# This is a metapackage.  It's main purpose is to pull other packages
-# into play via the rpm deps.
-rpm -q gcc-toolset-12
-echo
-echo RESULT: PASS
diff --git a/tests/tests.yml b/tests/tests.yml
deleted file mode 100644
index 9dc0e12..0000000
--- a/tests/tests.yml
+++ /dev/null
@@ -1,10 +0,0 @@
----
-- hosts: localhost
-  roles:
-  - role: standard-test-basic
-    tags:
-    - classic
-    tests:
-    - gts-smoketest
-    required_packages:
-    - scl-utils