diff --git a/tests/test_sync.py b/tests/test_sync.py
index f5e3265..220cba9 100644
--- a/tests/test_sync.py
+++ b/tests/test_sync.py
@@ -502,7 +502,6 @@ class SyncMachine(RuleBasedStateMachine):
             # If one storage is read-only, double-sync because changes don't
             # get reverted immediately.
             for _ in range(2 if a.read_only or b.read_only else 1):
-                old_status = deepcopy(status)
                 sync(a, b, status,
                      force_delete=force_delete,
                      conflict_resolution=conflict_resolution,
diff --git a/vdirsyncer/sync.py b/vdirsyncer/sync.py
index adaf7af..4a30a18 100644
--- a/vdirsyncer/sync.py
+++ b/vdirsyncer/sync.py
@@ -11,7 +11,6 @@ Yang. http://blog.ezyang.com/2012/08/how-offlineimap-works/
 '''
 import itertools
 import logging
-import sys
 
 from . import exceptions
 from .utils import uniq