--- a/tests/test-revlog-raw.py	Sun Apr 02 18:12:47 2017 -0700
+++ b/tests/test-revlog-raw.py	Sun Apr 02 18:13:03 2017 -0700
@@ -16,7 +16,7 @@
 tvfs = vfs.vfs(encoding.environ.get('TESTTMP', b'/tmp'))
 
 # Enable generaldelta otherwise revlog won't use delta as expected by the test
-tvfs.options = {'generaldelta': True, 'revlogv1': True, 'revlogv1': True}
+tvfs.options = {'generaldelta': True, 'revlogv1': True}
 
 # The test wants to control whether to use delta explicitly, based on
 # "storedeltachains".