diff --git a/pennylane_ionq/device.py b/pennylane_ionq/device.py
index 8eead26..0be1e63 100644
--- a/pennylane_ionq/device.py
+++ b/pennylane_ionq/device.py
@@ -16,7 +16,6 @@
 """
 import inspect
 import logging
-from typing import Union
 import warnings
 from time import sleep