diff --git a/Containerfile b/Containerfile
index 049389a..cd14401 100644
--- a/Containerfile
+++ b/Containerfile
@@ -29,21 +29,24 @@ FROM quay.io/fedora/fedora:rawhide as repos
 FROM quay.io/fedora/fedora:41 as builder
 RUN dnf -y install rpm-ostree selinux-policy-targeted
 ARG MANIFEST=fedora-bootc.yaml
-COPY --from=repos /etc/dnf/vars /etc/dnf/vars
-COPY --from=repos /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-* /etc/pki/rpm-gpg
-# The input git repository has .repo files committed to git rpm-ostree has historically
-# emphasized that.  But here, we are fetching the repos from the container base image.
-# So copy the source, and delete the hardcoded ones in git, and use the container base
-# image ones.  We can drop the ones commited to git when we hard switch to Containerfile.
+
+# Copy in the source code
 COPY . /src
 WORKDIR /src
-RUN rm -vf /src/*.repo
-COPY --from=repos /etc/yum.repos.d/*.repo /src
 
 # Construct the base rootfs
 RUN --mount=type=cache,target=/workdir \
     --mount=type=bind,from=repos,src=/,dst=/repos <<EORUN
 set -xeuo pipefail
+# Synchronize the repo files (and RPM gpg keys, and DNF variables) from the "repos" image into our builder rootfs.
+for d in /etc/yum.repos.d /etc/pki/rpm-gpg /etc/dnf/vars; do
+    rm -rf $d
+    cp -a /repos${d} $d
+done
+
+# For legacy reasons we need the .repo files here too in the context directory
+cp /etc/yum.repos.d/* .
+
 mkdir /tmp-ostree
 ostree --repo=/tmp-ostree init --mode=bare-user
 rm /workdir/target-rootfs -rf
diff --git a/fedora-40.yaml b/fedora-40.yaml
deleted file mode 100644
index 647be5a..0000000
--- a/fedora-40.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-# NB: This treefile is used by the legacy pungi path only to build tier-1. It
-# will be removed in the future.
-releasever: 40
-repos:
-  - fedora
-  - fedora-updates
-include: fedora-bootc.yaml
diff --git a/fedora-41.yaml b/fedora-41.yaml
deleted file mode 100644
index 51026d4..0000000
--- a/fedora-41.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-# NB: This treefile is used by the legacy pungi path only to build tier-1. It
-# will be removed in the future.
-releasever: 41
-repos:
-  - fedora
-  - fedora-updates
-include: fedora-bootc.yaml
diff --git a/fedora-rawhide.yaml b/fedora-rawhide.yaml
deleted file mode 100644
index 5eec79c..0000000
--- a/fedora-rawhide.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
-# NB: This treefile is used by the legacy pungi path only to build tier-1. It
-# will be removed in the future.
-releasever: rawhide
-repos:
-  - fedora-rawhide
-include: fedora-bootc.yaml
diff --git a/fedora.repo b/fedora.repo
deleted file mode 100644
index 373d78c..0000000
--- a/fedora.repo
+++ /dev/null
@@ -1,102 +0,0 @@
-# Note we use baseurl= here because using auto-selected mirrors conflicts with
-# change detection: https://github.com/coreos/fedora-coreos-pipeline/issues/85.
-
-[fedora]
-name=Fedora $releasever - $basearch
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/releases/$releasever/Everything/$basearch/os/
-        https://dl.fedoraproject.org/pub/fedora-secondary/releases/$releasever/Everything/$basearch/os/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=fedora-$releasever&arch=$basearch
-enabled=1
-#metadata_expire=7d
-repo_gpgcheck=0
-type=rpm
-gpgcheck=1
-gpgkey=file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-$releasever-primary
-skip_if_unavailable=False
-
-[fedora-updates]
-name=Fedora $releasever - $basearch - Updates
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/updates/$releasever/Everything/$basearch/
-        https://dl.fedoraproject.org/pub/fedora-secondary/updates/$releasever/Everything/$basearch/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=updates-released-f$releasever&arch=$basearch
-enabled=1
-repo_gpgcheck=0
-type=rpm
-gpgcheck=1
-metadata_expire=6h
-gpgkey=file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-$releasever-primary
-skip_if_unavailable=False
-
-[fedora-updates-testing]
-name=Fedora $releasever - $basearch - Test Updates
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/updates/testing/$releasever/Everything/$basearch/
-        https://dl.fedoraproject.org/pub/fedora-secondary/updates/testing/$releasever/Everything/$basearch/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=updates-testing-f$releasever&arch=$basearch
-enabled=1
-gpgcheck=1
-metadata_expire=6h
-gpgkey=file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-$releasever-primary
-skip_if_unavailable=False
-
-[fedora-modular]
-name=Fedora Modular $releasever - $basearch
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/releases/$releasever/Modular/$basearch/os/
-        https://dl.fedoraproject.org/pub/fedora-secondary/releases/$releasever/Modular/$basearch/os/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=fedora-modular-$releasever&arch=$basearch
-enabled=1
-#metadata_expire=7d
-repo_gpgcheck=0
-type=rpm
-gpgcheck=1
-gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-$releasever-$basearch
-skip_if_unavailable=False
-
-[fedora-updates-modular]
-name=Fedora Modular $releasever - $basearch - Updates
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/updates/$releasever/Modular/$basearch/
-        https://dl.fedoraproject.org/pub/fedora-secondary/updates/$releasever/Modular/$basearch/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=updates-released-modular-f$releasever&arch=$basearch
-enabled=1
-repo_gpgcheck=0
-type=rpm
-gpgcheck=1
-metadata_expire=6h
-gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-$releasever-$basearch
-skip_if_unavailable=False
-
-[fedora-updates-testing-modular]
-name=Fedora Modular $releasever - $basearch - Test Updates
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/updates/testing/$releasever/Modular/$basearch/
-        https://dl.fedoraproject.org/pub/fedora-secondary/updates/testing/$releasever/Modular/$basearch/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=updates-testing-f$releasever&arch=$basearch
-enabled=1
-gpgcheck=1
-metadata_expire=6h
-gpgkey=file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-$releasever-primary
-skip_if_unavailable=False
-
-[rawhide]
-name=Fedora - Rawhide - Developmental packages for the next Fedora release
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/development/$releasever/Everything/$basearch/os/
-        https://dl.fedoraproject.org/pub/fedora-secondary/development/$releasever/Everything/$basearch/os/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=fedora-$releasever&arch=$basearch
-enabled=1
-#metadata_expire=7d
-repo_gpgcheck=0
-type=rpm
-gpgcheck=1
-gpgkey=file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-$releasever-primary
-skip_if_unavailable=False
-
-[fedora-devel]
-name=Fedora $releasever - $basearch
-baseurl=https://dl.fedoraproject.org/pub/fedora/linux/development/$releasever/Everything/$basearch/os/
-        https://dl.fedoraproject.org/pub/fedora-secondary/development/$releasever/Everything/$basearch/os/
-#metalink=https://mirrors.fedoraproject.org/metalink?repo=fedora-$releasever&arch=$basearch
-enabled=1
-#metadata_expire=7d
-repo_gpgcheck=0
-type=rpm
-gpgcheck=1
-gpgkey=file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-$releasever-primary
-skip_if_unavailable=False