diff --git a/src/index.ts b/src/index.ts
index 9e8ff59..5d2af65 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,7 +8,7 @@ import axios from "axios";
 
 const EXECUTION_RPC_URL = "https://rpc.ankr.com/eth";
 
-const CONSENSUS_RPC_URL = "https://lodestar-mainnet.chainsafe.io";
+const CONSENSUS_RPC_URL = "http://nimbus-mainnet.commonprefix.com";
 
 interface ExecutionRequest {
   method: string;
@@ -61,10 +61,6 @@ const plugin: Plugin = {
     api.registerMethod("consensus_optimistic_update", {
       cacheable: false,
       async handler(): Promise<Uint8Array> {
-        if (!client.isSynced) {
-          await client.sync();
-        }
-
         let execInfo = await client.getLatestExecution();
 
         if (!execInfo) {