diff --git a/probables/utilities.py b/probables/utilities.py
index 34a9e5b..d24e438 100644
--- a/probables/utilities.py
+++ b/probables/utilities.py
@@ -4,7 +4,6 @@
 import mmap
 import string
 from array import array
-from functools import reduce
 from pathlib import Path
 from typing import Union