diff --git a/packages/core/server/src/index.ts b/packages/core/server/src/index.ts
index 8e8e31395a..bf674e8f23 100644
--- a/packages/core/server/src/index.ts
+++ b/packages/core/server/src/index.ts
@@ -16,5 +16,4 @@ export * from './migration';
 export * from './plugin';
 export * from './plugin-manager';
 export * from './pub-sub-manager';
-export * from './sync-manager';
 export const OFFICIAL_PLUGIN_PREFIX = '@nocobase/plugin-';