diff --git a/bip-0340/reference.py b/bip-0340/reference.py
index b327e0a228..912ffd9118 100644
--- a/bip-0340/reference.py
+++ b/bip-0340/reference.py
@@ -1,6 +1,5 @@
 from typing import Tuple, Optional, Any
 import hashlib
-import binascii
 
 # Set DEBUG to True to get a detailed debug output including
 # intermediate values during key generation, signing, and