diff --git a/tests/test_timeseries.py b/tests/test_timeseries.py
index a69fb0ba..b78b1418 100644
--- a/tests/test_timeseries.py
+++ b/tests/test_timeseries.py
@@ -1,10 +1,9 @@
 import jax.numpy as jnp
-import itertools
 import numpy as np
 import pytest
 import troposim.igrams
+
 from dolphin import timeseries
-from dolphin.interferogram import Network
 
 
 @pytest.fixture(scope="module")