diff --git a/stacks/pinot-noir/spack.yaml b/stacks/pinot-noir/spack.yaml
index ae7004a24343124aac2c40738c68d2639f9d0869..5b446d61147b7f092e000ef8c624f2e9a752cf55 100644
--- a/stacks/pinot-noir/spack.yaml
+++ b/stacks/pinot-noir/spack.yaml
@@ -44,9 +44,11 @@ spack:
   specs:
     - matrix:
         - [$compilers_specs]
+
     - matrix:
         - [$mpi_oneapi]
         - [$%compiler_oneapi]
+
     - matrix:
         - [$mpi_gcc_stable]
         - [$%compiler_gcc_stable]
@@ -57,7 +59,6 @@ spack:
 
     - matrix:
         - [$mpi_codes]
-        - [$^mpis]
         - [$%compilers]
 
   concretizer: