diff --git a/var/spack/packages/mumps/Makefile.inc b/var/spack/repos/builtin/packages/mumps/Makefile.inc
similarity index 100%
rename from var/spack/packages/mumps/Makefile.inc
rename to var/spack/repos/builtin/packages/mumps/Makefile.inc
diff --git a/var/spack/packages/mumps/package.py b/var/spack/repos/builtin/packages/mumps/package.py
similarity index 100%
rename from var/spack/packages/mumps/package.py
rename to var/spack/repos/builtin/packages/mumps/package.py
diff --git a/var/spack/packages/netlib-scalapack/package.py b/var/spack/repos/builtin/packages/netlib-scalapack/package.py
similarity index 100%
rename from var/spack/packages/netlib-scalapack/package.py
rename to var/spack/repos/builtin/packages/netlib-scalapack/package.py