diff --git a/container.yaml b/container.yaml
deleted file mode 100644
index d4f9c71..0000000
--- a/container.yaml
+++ /dev/null
@@ -1,60 +0,0 @@
-flatpak:
-    id: org.fedoraproject.Sdk.Extension.llvm21
-    branch: f44
-    build-extension: true
-    runtime: org.fedoraproject.Sdk
-    runtime-version: f44
-    sdk: org.fedoraproject.Sdk
-    name: f44/llvm21
-    component: llvm21-flatpak
-    packages:
-    - clang21
-    - clang21-analyzer
-    - clang21-devel
-    - clang21-libs
-    - clang21-tools-extra
-    - clang21-tools-extra-devel
-    - compiler-rt21
-    - git-clang-format21
-    - libcxx
-    - libcxx-devel
-    - libcxxabi
-    - libcxxabi-devel
-    - libomp21
-    - libomp21-devel
-    - lld21
-    - lld21-devel
-    - lld21-libs
-    - lldb21
-    - lldb21-devel
-    - llvm21
-    - llvm21-cmake-utils
-    - llvm21-devel
-    - llvm21-googletest
-    - llvm21-libs
-    - llvm-libunwind
-    - llvm-libunwind-devel
-    - llvm21-test
-    - python3-clang21
-    - python3-lit
-    - python3-lldb
-    - llvm21-flatpak-config
-    # for cleanup-commands (part of runtime)
-    - coreutils-single
-    - rpm
-    - sed
-    cleanup-commands: |
-        mkdir -p /app/{bin,include,lib64,libexec,share}
-        for f in `rpm -aql clang21* compiler-rt21 git-clang-format21 libcxx* libomp21* lld21* lldb21* llvm21* llvm-libunwind* python3-{clang,lit,lldb}`; do \
-             case $f in /usr/lib/.build-id*|/app/*) continue ;; esac ; \
-             if [ ! -d $f ]; then d=$(echo $f | sed -e 's|^/usr/\(.*\)/[^/]*$|/app/\1|;s|^\(/etc/.*\)/[^/]*|/app/\1|'); mkdir -p $d; mv $f $d; fi; \
-        done
-        mv /app/lib64/llvm21/bin/* /app/bin/
-        mv /app/lib64/llvm21/include/* /app/include/
-        mv /app/lib64/llvm21/lib64/* /app/lib64/
-        mv /app/lib64/llvm21/libexec/* /app/libexec/
-        mv /app/lib64/llvm21/share/* /app/share/
-        for f in /app/bin/*-21; do if [ -L $f -a -f ${f%-21} ]; then rm $f; fi; done
-        ln -sfn ../../../liblldb.so.21.1 /app/lib64/python3.14/site-packages/lldb/_lldb.so
-        ln -sfn ../share/clang/clang-format-diff.py /app/bin/clang-format-diff
-        rm -f /app/bin/ld