diff --git a/lark_oapi/ws/pb/google/__init__.py b/lark_oapi/ws/pb/google/__init__.py
index d2d2a43c5..69e3be50d 100644
--- a/lark_oapi/ws/pb/google/__init__.py
+++ b/lark_oapi/ws/pb/google/__init__.py
@@ -1,4 +1 @@
-try:
-    __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
-    __path__ = __import__('pkgutil').extend_path(__path__, __name__)
+__path__ = __import__('pkgutil').extend_path(__path__, __name__)