diff --git a/schematic/models/validate_attribute.py b/schematic/models/validate_attribute.py
index 13a5edb0a..1180167ad 100644
--- a/schematic/models/validate_attribute.py
+++ b/schematic/models/validate_attribute.py
@@ -6,7 +6,6 @@
 # allows specifying explicit variable types
 from typing import Any, Literal, Optional, Union
 from urllib.parse import urlparse
-from urllib.request import Request, urlopen
 
 import numpy as np
 import pandas as pd