diff --git a/setup.py b/setup.py
index b234473..fa68616 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,4 @@ setup(
         'stix2-patterns',
         'taxii2-client',
     ],
-    exclude_package_data={
-        'test': ['stix2_data']
-    },
 )