diff --git a/helpers/create-abi-dump.py b/helpers/create-abi-dump.py
--- a/helpers/create-abi-dump.py
+++ b/helpers/create-abi-dump.py
@@ -7,7 +7,6 @@
 import subprocess
 import sys
 import tempfile
-import yaml
 
 from collections import defaultdict
 from typing import Dict, List, Union, Set