diff --git a/environments/numlibs/spack.yaml b/environments/numlibs/spack.yaml
index 46c11e8..c46d3fe 100644
--- a/environments/numlibs/spack.yaml
+++ b/environments/numlibs/spack.yaml
@@ -30,6 +30,9 @@ spack:
       - [$num_lib_types]
       - [$^mpis]
       - [$%compilers]
+#    - matrix:
+#      - [kahip +metis]
+#      - [$%compilers]  
     - matrix:
       - [parmgridgen]
       - [$cflags_noerror_implicit]
@@ -41,6 +44,12 @@ spack:
       - [$num_lib_types]
       - [$^mpis]
       - [$%compilers]
+#    - matrix:
+#      - [trilinos]
+#      - [$rocm_variant]
+#      - [$num_lib_types]
+#      - [$^mpis]
+#      - [$%compilers]
   view: false
   concretizer:
     unify: when_possible