diff --git a/ietf/utils/management/commands/run_yang_model_checks.py b/ietf/utils/management/commands/run_yang_model_checks.py
index 7a931f2aa..5d3135237 100644
--- a/ietf/utils/management/commands/run_yang_model_checks.py
+++ b/ietf/utils/management/commands/run_yang_model_checks.py
@@ -1,7 +1,6 @@
 # Copyright The IETF Trust 2017-2019, All Rights Reserved
 from __future__ import print_function, unicode_literals
 
-import sys
 import json
 
 from textwrap import dedent