diff --git a/form.yml.erb b/form.yml.erb
index f6ea2cd..0d592fb 100644
--- a/form.yml.erb
+++ b/form.yml.erb
@@ -39,11 +39,6 @@ attributes:
           data-max-num-cores-for-cluster-owens: 28,
           data-max-num-cores-for-cluster-pitzer: 48
         ]
-      - [
-          "40 core",     "any-40core",
-          data-max-num-cores-for-cluster-pitzer: 40,
-          data-option-for-cluster-owens: false
-        ]
       - [
           "48 core",     "any-48core",
           data-max-num-cores-for-cluster-pitzer: 48,