diff --git a/setup.py b/setup.py
index c8c10685..5c02723e 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,9 @@
+# borgbackup - main setup code (see also other setup_*.py files)
+
 import os
-import io
 import re
 import sys
 from collections import defaultdict
-from collections import OrderedDict
-from datetime import datetime
 from glob import glob
 
 try: