diff --git a/test/conversion_test.py b/test/conversion_test.py
index 7ee6bda1d60d0572061473d00fb7bb42ffa4af67..fa6c86197bceea606b0b9184cd18c8b3f8990df5 100644
--- a/test/conversion_test.py
+++ b/test/conversion_test.py
@@ -250,13 +250,6 @@ class TestConvertToLALParams(unittest.TestCase):
     def test_lambda_1(self):
         self._conversion_to_component_tidal(['lambda_1'])
 
-    def test_bns_spherical_spin_to_aligned(self):
-        self.parameters['a_1'] = -1
-        self.parameters['tilt_1'] = np.arccos(0.5)
-        chi_1 = self.parameters['a_1'] * np.cos(self.parameters['tilt_1'])
-        self.bns_convert()
-        self.assertEqual(self.parameters['chi_1'], chi_1)
-
 
 class TestDistanceTransformations(unittest.TestCase):
 
diff --git a/test/gw_source_test.py b/test/gw_source_test.py
index 82316e8253089b20e97bbb617829af73f61f58d1..4d098a0dd20f0c66ee245b768ebff2121306a674 100644
--- a/test/gw_source_test.py
+++ b/test/gw_source_test.py
@@ -47,11 +47,12 @@ class TestLalBNS(unittest.TestCase):
 
     def setUp(self):
         self.parameters = dict(
-            mass_1=1.4, mass_2=1.4, luminosity_distance=400.0, chi_1=0.4,
-            chi_2=0.3, theta_jn=1.7, phase=0.0, lambda_1=100.0, lambda_2=100.0)
+            mass_1=1.4, mass_2=1.4, luminosity_distance=400.0, a_1=0.4,
+            a_2=0.3, tilt_1=0.2, tilt_2=1.7, phi_jl=0.2, phi_12=0.9,
+            theta_jn=1.7, phase=0.0, lambda_1=100.0, lambda_2=100.0)
         self.waveform_kwargs = dict(
-            waveform_approximant='TaylorF2', reference_frequency=50.0,
-            minimum_frequency=20.0)
+            waveform_approximant='IMRPhenomPv2_NRTidal',
+            reference_frequency=50.0, minimum_frequency=20.0)
         self.frequency_array = bilby.core.utils.create_frequency_series(2048, 4)
 
     def tearDown(self):
@@ -59,7 +60,7 @@ class TestLalBNS(unittest.TestCase):
         del self.waveform_kwargs
         del self.frequency_array
 
-    def test_lal_bns_works_runs_valid_parameters(self):
+    def test_lal_bns_runs_with_valid_parameters(self):
         self.parameters.update(self.waveform_kwargs)
         self.assertIsInstance(
             bilby.gw.source.lal_binary_neutron_star(
@@ -78,14 +79,6 @@ class TestLalBNS(unittest.TestCase):
             bilby.gw.source.lal_binary_neutron_star(
                 self.frequency_array, **self.parameters)
 
-    def test_fails_without_aligned_spins(self):
-        self.parameters.pop('chi_1')
-        self.parameters.pop('chi_2')
-        self.parameters.update(self.waveform_kwargs)
-        with self.assertRaises(TypeError):
-            bilby.gw.source.lal_binary_neutron_star(
-                self.frequency_array, **self.parameters)
-
 
 class TestEccentricLalBBH(unittest.TestCase):