diff --git a/plugin/src/test/resources/rest-api-spec/api/xpack.ml.get_records.json b/plugin/src/test/resources/rest-api-spec/api/xpack.ml.get_records.json
index 889aa233c66..7e71ba740d1 100644
--- a/plugin/src/test/resources/rest-api-spec/api/xpack.ml.get_records.json
+++ b/plugin/src/test/resources/rest-api-spec/api/xpack.ml.get_records.json
@@ -13,9 +13,6 @@
         }
       },
       "params": {
-        "expand": {
-          "type": "boolean"
-        },
         "include_interim": {
           "type": "boolean",
           "description": "Include interim results"