diff --git a/asynq/decorators.py b/asynq/decorators.py
index e8f1fc9..a3b62c8 100644
--- a/asynq/decorators.py
+++ b/asynq/decorators.py
@@ -15,7 +15,6 @@
 
 import asyncio
 import inspect
-import sys
 from typing import Any, Coroutine
 
 import qcore.decorators
@@ -164,7 +163,6 @@ async def wrapped(*_args, **_kwargs):
                                 send = await asynq_to_async.resolve_awaitables(result)
                                 exception = None
                             except Exception as exc:
-                                traceback = sys.exc_info()[2]
                                 exception = exc
 
                 self.asyncio_fn = wrapped