diff --git a/toolchains/oneapi-2024-2-mpi/spack.yaml b/toolchains/oneapi-2024-2-mpi/spack.yaml
index c7b259915b11f319d61758dacea6d76b7ef738e0..77f6843b7e8010d4776b9f91e3377ddc0d951f6b 100644
--- a/toolchains/oneapi-2024-2-mpi/spack.yaml
+++ b/toolchains/oneapi-2024-2-mpi/spack.yaml
@@ -20,8 +20,6 @@ spack:
       # - cgal@5.6
       # - dftbplus@23.1~arpack~gpu~mpi~sockets~transport+api+shared~openmp
       # - libpspio@0.3.0+fortran
-    # required for the buildbot
-    - perl-yaml@1.30
   - packages_with_mpi:
     - intel-oneapi-mkl@2024.2.0+cluster threads=openmp ^intel-oneapi-tbb
     - parmetis@4.0.3+int64
diff --git a/toolchains/oneapi-2024-2-serial/spack.yaml b/toolchains/oneapi-2024-2-serial/spack.yaml
index 92a237e5e0f670c14cd17026546a1e9f17c67735..0c0de5ab5b2b2759512d6464866ebf5f7ec193f8 100644
--- a/toolchains/oneapi-2024-2-serial/spack.yaml
+++ b/toolchains/oneapi-2024-2-serial/spack.yaml
@@ -25,8 +25,6 @@ spack:
     # - bigdft-psolver@1.9.3+shared~~mpi~scalapack
     # - dftbplus@23.1~arpack~gpu~mpi~sockets~transport+api+shared~openmp
     # - libpspio@0.3.0+fortran
-    # # required for the buildbot
-  - perl-yaml@1.30
   view: true
   concretizer:
     unify: true