diff --git a/config/config.sample.json b/config/config.sample.json
index dd1699530..78f9536da 100644
--- a/config/config.sample.json
+++ b/config/config.sample.json
@@ -18,7 +18,6 @@
     "membership_event_expiry_ms": 180000000,
     "delayed_leave_event_delay_ms": 18000,
     "delayed_leave_event_restart_ms": 4000,
-    "network_error_retry_ms": 100,
-    "key_rotation_participant_limit": null
+    "network_error_retry_ms": 100
   }
 }