diff --git a/Tables/CORDEX-CMIP6_grids.json b/Tables/CORDEX-CMIP6_grids.json
index ee59a44..3343c82 100644
--- a/Tables/CORDEX-CMIP6_grids.json
+++ b/Tables/CORDEX-CMIP6_grids.json
@@ -1,8 +1,6 @@
 {
     "Header": {
-        "data_specs_version": "01.00.33",
         "table_id": "Table grids",
-        "cmor_version": "3.5",
         "table_date": "18 November 2020",
         "missing_value": "1e20",
         "product": "output",