lib/PublicInbox/V2Writable.pm | 1 -

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 1170f32cd7c6ca8e601d2484ee9b16820ab6d70e..a6f044a898b34e869af480eeac848e532657a236 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -965,7 +965,6 @@ 	my @cmd = qw(log --raw -r --pretty=tformat:%H
 			--no-notes --no-color --no-abbrev --no-renames);
 
 	# work backwards through history
-	my $last_commit = [];
 	for (my $i = $epoch_max; $i >= 0; $i--) {
 		my $git_dir = git_dir_n($self, $i);
 		die "already reindexing!\n" if delete $self->{reindex_pipe};