diff --git a/echopype/tests/clean/test_clean_transient_noise.py b/echopype/tests/clean/test_clean_transient_noise.py
index 68e3b139b..11df336c8 100644
--- a/echopype/tests/clean/test_clean_transient_noise.py
+++ b/echopype/tests/clean/test_clean_transient_noise.py
@@ -3,7 +3,6 @@
 import numpy as np
 import echopype.clean
 from echopype.clean.transient_noise import RYAN_DEFAULT_PARAMS, FIELDING_DEFAULT_PARAMS
-import datetime
 
 # Note: We've removed all the setup and utility functions since they are now in conftest.py