diff --git a/metropolis/pkg/logbuffer/linebuffer.go b/metropolis/pkg/logbuffer/linebuffer.go
index 16f7b1a..92b70e9 100644
--- a/metropolis/pkg/logbuffer/linebuffer.go
+++ b/metropolis/pkg/logbuffer/linebuffer.go
@@ -163,3 +163,7 @@
 	}
 	return nil
 }
+
+func (l *LineBuffer) Sync() error {
+	return nil
+}