diff --git a/schema_clusters.json b/schema_clusters.json
index 914d065..1968d6b 100644
--- a/schema_clusters.json
+++ b/schema_clusters.json
@@ -107,13 +107,6 @@
                   "type": "string"
                 }
               },
-              "derivated_from": {
-                "type": "array",
-                "uniqueItems": true,
-                "items": {
-                  "type": "string"
-                }
-              },
               "status": {
                 "type": "string"
               },