diff --git a/mercurial/thirdparty/zope/__init__.py b/mercurial/thirdparty/zope/__init__.py
--- a/mercurial/thirdparty/zope/__init__.py
+++ b/mercurial/thirdparty/zope/__init__.py
@@ -1,7 +0,0 @@
-# this is a namespace package
-try:
-    import pkg_resources
-    pkg_resources.declare_namespace(__name__)
-except ImportError:
-    import pkgutil
-    __path__ = pkgutil.extend_path(__path__, __name__)