diff --git a/dic2owl/dic2owl/dic2owl.py b/dic2owl/dic2owl/dic2owl.py
index 8c4340f..a9a6197 100644
--- a/dic2owl/dic2owl/dic2owl.py
+++ b/dic2owl/dic2owl/dic2owl.py
@@ -3,8 +3,6 @@
 
 Python script for generating an ontology corresponding to a CIF dictionary.
 """
-from __future__ import annotations
-
 from contextlib import redirect_stderr
 from os import devnull as DEVNULL
 from pathlib import Path