diff --git a/setup.py b/setup.py
index 30a2e42f6..afb290277 100755
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@ setup(
         "Operating System :: OS Independent",
         "Programming Language :: Python",
     ],
-    packages=find_packages(),
+    packages=find_packages(exclude=("test", "sim", "doc")),
     install_requires=["pyserial"],
     include_package_data=True,
     entry_points={