diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/indices.split/30_copy_settings.yml b/rest-api-spec/src/main/resources/rest-api-spec/test/indices.split/30_copy_settings.yml
index ba876b0ec4e11..1f6a71c6b085c 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/test/indices.split/30_copy_settings.yml
+++ b/rest-api-spec/src/main/resources/rest-api-spec/test/indices.split/30_copy_settings.yml
@@ -1,5 +1,7 @@
 ---
 "Copy settings during split index":
+  - skip:
+      features: [arbitrary_key]
 
   - do:
       nodes.info: