diff --git a/setup.py b/setup.py
index 5020d0a..1dfca70 100755
--- a/setup.py
+++ b/setup.py
@@ -817,12 +817,6 @@ if __name__ == '__main__':
 
     name = find_name()
 
-    if os.name == "nt":
-        # Add DLL's to the final package for windows
-        data_files.extend([
-            ('Lib/site-packages/%s' % name, dll_files),
-        ])
-
     ADDLIBS = [hdf5_package.library_name]
 
     # List of Blosc file dependencies
