diff --git a/index.ts b/index.ts
index dbca8b6..f2b3f65 100644
--- a/index.ts
+++ b/index.ts
@@ -1,6 +1,5 @@
 export * from './src/client/ShardClient';
 export * from './src/client/ShardClientUtil';
-export * from './src/concurrency/ConcurrencyClient';
 export * from './src/concurrency/ConcurrencyManager';
 export * from './src/ipc/BaseIpc';
 export * from './src/ipc/MainWorker';