diff --git a/pkg/pypi/build.py b/pkg/pypi/build.py
index 3b513fb..3ab8c57 100644
--- a/pkg/pypi/build.py
+++ b/pkg/pypi/build.py
@@ -43,7 +43,6 @@ class LibztModule(Extension):
             *glob(os.path.join(ROOT_DIR, "ext/ZeroTierOne/node/*.cpp")),
             *glob(os.path.join(ROOT_DIR, "ext/ZeroTierOne/osdep/OSUtils.cpp")),
             *glob(os.path.join(ROOT_DIR, "ext/ZeroTierOne/osdep/PortMapper.cpp")),
-            *glob(os.path.join(ROOT_DIR, "ext/ZeroTierOne/osdep/ManagedRoute.cpp")),
         ]
         # noinspection PyUnresolvedReferences
         assert len(sources) > 0, "no sources found"