diff --git a/src/frontend/src/test_utils.rs b/src/frontend/src/test_utils.rs
index 24d7b6a23ee58..10dad2105ed94 100644
--- a/src/frontend/src/test_utils.rs
+++ b/src/frontend/src/test_utils.rs
@@ -1066,7 +1066,7 @@ impl FrontendMetaClient for MockFrontendMetaClient {
     }
 
     async fn list_all_nodes(&self) -> RpcResult<Vec<WorkerNode>> {
-        unimplemented!()
+        Ok(vec![])
     }
 
     async fn list_compact_task_progress(&self) -> RpcResult<Vec<CompactTaskProgress>> {