diff --git a/yarn-project/blob-sink/src/client/factory.ts b/yarn-project/blob-sink/src/client/factory.ts
index d49e375c1ba8..24d2e7b2a337 100644
--- a/yarn-project/blob-sink/src/client/factory.ts
+++ b/yarn-project/blob-sink/src/client/factory.ts
@@ -5,7 +5,7 @@ import type { BlobSinkClientInterface } from './interface.js';
 import { LocalBlobSinkClient } from './local.js';
 
 export function createBlobSinkClient(config?: BlobSinkConfig): BlobSinkClientInterface {
-  if (!config?.blobSinkUrl && !config?.l1ConsensusHostUrl && !config?.archiveApiUrl && !config?.l1ChainId) {
+  if (!config?.blobSinkUrl && !config?.l1ConsensusHostUrl && !config?.archiveApiUrl) {
     const blobStore = new MemoryBlobStore();
     return new LocalBlobSinkClient(blobStore);
   }