diff --git a/share/metkit/language.yaml b/share/metkit/language.yaml
index 859a4a2..1a3f8b9 100644
--- a/share/metkit/language.yaml
+++ b/share/metkit/language.yaml
@@ -554,6 +554,8 @@ _field: &_field
     default: 0
     type: range
     never:
+    - dataset:
+      - climate-dt
     - stream:
       - msmm
       - mmsa
@@ -605,6 +607,9 @@ _field: &_field
     default: g
     flatten: false
     type: enum
+    never:
+    - dataset:
+      - climate-dt
     values:
     - [a, north west europe]
     - [b, north east europe, baltic and black sea]