diff --git a/definitions/grib2/local/ecmf/parameters_extras.def b/definitions/grib2/local/ecmf/parameters_extras.def
deleted file mode 100644
index 18f8c8f04..000000000
--- a/definitions/grib2/local/ecmf/parameters_extras.def
+++ /dev/null
@@ -1,8 +0,0 @@
-# (C) Copyright 2005- ECMWF.
-
-#concept modelName ("unknown", "modelNameConcept.def",conceptsDir2,conceptsDir1): no_copy, dump;
-
-#if (!(modelName is "unknown")) {
-#    concept modelVersion ("unknown", "modelVersionConcept.[modelName].def",conceptsDir2,conceptsDir1): no_copy, dump;
-#    alias mars.model = modelName;
-#}