diff --git a/faust/transport/drivers/confluent.py b/faust/transport/drivers/confluent.py
index 2573a1545..19b4dd708 100644
--- a/faust/transport/drivers/confluent.py
+++ b/faust/transport/drivers/confluent.py
@@ -208,8 +208,6 @@ class ConfluentConsumerThread(ConsumerThread):
     _consumer: Optional[AsyncConsumer] = None
     _assigned: bool = False
 
-    # _pending_rebalancing_spans: Deque[opentracing.Span]
-
     tp_last_committed_at: MutableMapping[TP, float]
     time_started: float