diff --git a/chirho/dynamical/handlers/interruption.py b/chirho/dynamical/handlers/interruption.py
index bf8896c6..2ed78b6a 100644
--- a/chirho/dynamical/handlers/interruption.py
+++ b/chirho/dynamical/handlers/interruption.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import numbers
 import typing
 from typing import Callable, Generic, Tuple, TypeVar, Union