diff --git a/knowledge/scripts/diff_policy.py b/knowledge/scripts/diff_policy.py
index 5f22eac..9b20c3c 100644
--- a/knowledge/scripts/diff_policy.py
+++ b/knowledge/scripts/diff_policy.py
@@ -23,7 +23,6 @@
 import hashlib
 import json
 import re
-import sys
 from pathlib import Path
 
 # knowledge/scripts/diff_policy.py -> parents[0]=scripts, parents[1]=knowledge