diff --git a/src/setup.py b/src/setup.py
index 831e14202ca..7f210cadf9e 100755
--- a/src/setup.py
+++ b/src/setup.py
@@ -70,7 +70,7 @@
 
 log.debug(f"files_to_exclude = {files_to_exclude}")
 
-python_packages = find_namespace_packages(where=SAGE_SRC)
+python_packages = find_namespace_packages(where=SAGE_SRC, exclude=['bin', 'doc'])
 log.debug(f"python_packages = {python_packages}")
 
 log.info(f"Discovered Python/Cython sources, time: {(time.time() - t):.2f} seconds.")