diff --git a/flytekit/core/type_engine.py b/flytekit/core/type_engine.py
index db1d25f801..bd355bd529 100644
--- a/flytekit/core/type_engine.py
+++ b/flytekit/core/type_engine.py
@@ -8,7 +8,6 @@
 import inspect
 import json as _json
 import mimetypes
-import sys
 import textwrap
 import typing
 from abc import ABC, abstractmethod