diff --git a/schema_clusters.json b/schema_clusters.json
index 8928ea7..d1cd920 100644
--- a/schema_clusters.json
+++ b/schema_clusters.json
@@ -139,9 +139,6 @@
                 "items": {
                   "type": "string"
                 }
-              },
-              "NACE_CODE": {
-                "type": "array"
               }
             }
           }