diff --git a/src/gaiaunlimited/utils.py b/src/gaiaunlimited/utils.py
index edd2656..d1f467c 100644
--- a/src/gaiaunlimited/utils.py
+++ b/src/gaiaunlimited/utils.py
@@ -3,7 +3,7 @@
 import healpy as hp
 import numpy as np
 
-from typing import Iterable, Optional, Tuple, Union
+from typing import Iterable, Optional
 from astropy import constants, coordinates
 import pickle
 from astromet import sigma_ast
diff --git a/tests/test_scanninglaw.py b/tests/test_scanninglaw.py
index 32e2e26..ce7125d 100644
--- a/tests/test_scanninglaw.py
+++ b/tests/test_scanninglaw.py
@@ -1,5 +1,3 @@
-import numpy as np
-
 from gaiaunlimited.scanninglaw import GaiaScanningLaw
 from gaiaunlimited.utils import get_healpix_centers
 
diff --git a/tests/test_subsample.py b/tests/test_subsample.py
index 33e8481..fa067f9 100644
--- a/tests/test_subsample.py
+++ b/tests/test_subsample.py
@@ -3,7 +3,6 @@
 import astropy.units as u
 
 from gaiaunlimited.selectionfunctions.subsample import (
-    SelectionFunctionBase,
     EDR3RVSSelectionFunction,
     DR3RVSSelectionFunction,
 )