diff --git a/govuk_frontend_django/components/base.py b/govuk_frontend_django/components/base.py
index 77c9337..35cc462 100644
--- a/govuk_frontend_django/components/base.py
+++ b/govuk_frontend_django/components/base.py
@@ -1,5 +1,5 @@
 from dataclasses import dataclass
-from typing import Any, ClassVar, Dict, List, Optional, Union
+from typing import Any, Dict, List, Optional, Union
 
 from django.utils.safestring import mark_safe
 from jinja2 import (