diff --git a/defaults/main.yml b/defaults/main.yml
index d086ef5..b311acc 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -58,9 +58,8 @@ beacon_node_metrics_enabled: true
 beacon_node_metrics_address: '0.0.0.0'
 beacon_node_metrics_port: 9200
 
-# The JSON-RPC service is disabled because this is a legacy
-# functionality that will be removed from Nimbus eventually
-beacon_node_rpc_enabled: true
+# The JSON-RPC is deprecated and will be removed soon.
+beacon_node_rpc_enabled: false
 beacon_node_rpc_address: '127.0.0.1'
 beacon_node_rpc_port: 9900