diff --git a/tests/contrib/flask/test_request.py b/tests/contrib/flask/test_request.py
index dd0feb86bfc..59a5acc54ef 100644
--- a/tests/contrib/flask/test_request.py
+++ b/tests/contrib/flask/test_request.py
@@ -13,7 +13,6 @@
 
 from ddtrace.constants import ERROR_MSG
 
-# from ddtrace.constants import ERROR_STACK
 from ddtrace.constants import USER_KEEP
 from ddtrace.contrib.internal.flask.patch import flask_version
 from ddtrace.ext import http