diff --git a/setup.py b/setup.py
index 35c707e..368d69e 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
     author_email="googleapis-packages@google.com",
     license="Apache 2.0",
     url="https://github.com/googleapis/python-org-policy",
-    packages=setuptools.PEP420PackageFinder.find(),
+    packages=setuptools.PEP420PackageFinder.find(exclude=["tests*"]),
     namespace_packages=("google", "google.cloud"),
     platforms="Posix; MacOS X; Windows",
     include_package_data=True,