diff --git a/stacks/pinot-noir/concretizer.yaml b/stacks/pinot-noir/concretizer.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..5236d515fa7a131e8d113855187a15ba3aecba26
--- /dev/null
+++ b/stacks/pinot-noir/concretizer.yaml
@@ -0,0 +1,5 @@
+concretizer:
+  reuse: true
+  unify: false
+  duplicates:
+    strategy: full
diff --git a/stacks/pinot-noir/spack.yaml b/stacks/pinot-noir/spack.yaml
index b2de06cf6432096806b73f8c2044ef6cb82b0078..d22afafaa77f0275dae3806769dbc1907391553a 100644
--- a/stacks/pinot-noir/spack.yaml
+++ b/stacks/pinot-noir/spack.yaml
@@ -72,11 +72,6 @@ spack:
         - [$mpi_codes]
         - [$%compilers]
 
-  concretizer:
-    unify: false
-    duplicates:
-      strategy: minimal
-
   view: false
 #    default:
 #      root: /stack/packages/