diff --git a/cara/tests/models/test_exposure_model.py b/cara/tests/models/test_exposure_model.py
index 3c32ccd3..67238bc2 100644
--- a/cara/tests/models/test_exposure_model.py
+++ b/cara/tests/models/test_exposure_model.py
@@ -1,4 +1,3 @@
-import decimal
 import typing
 
 import numpy as np