diff --git a/idaes/models_extra/power_generation/properties/sofc/__init__.py b/idaes/models_extra/power_generation/properties/sofc/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/idaes/models_extra/power_generation/properties/sofc/sofc_surrogate_data/__init__.py b/idaes/models_extra/power_generation/properties/sofc/sofc_surrogate_data/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/setup.py b/setup.py
index 4eee8057dc..a98fc9cd3d 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 from pathlib import Path
 import os
 import sys
-from setuptools import setup, find_packages
+from setuptools import setup, find_namespace_packages
 from typing import List, Tuple
 
 
@@ -123,7 +123,7 @@ def __getitem__(self, key):
     zip_safe=False,
     name=NAME,
     version=VERSION,
-    packages=find_packages(include=["idaes*"]),
+    packages=find_namespace_packages(include=["idaes*"]),
     # Put abstract (non-versioned) deps here.
     # Concrete dependencies go in requirements[-dev].txt
     install_requires=[