diff --git a/tests/test_decision_making/test_utility_functions/test_utility_functions.py b/tests/test_decision_making/test_utility_functions/test_utility_functions.py
index f8e888e82..658d5b88a 100644
--- a/tests/test_decision_making/test_utility_functions/test_utility_functions.py
+++ b/tests/test_decision_making/test_utility_functions/test_utility_functions.py
@@ -148,11 +148,11 @@ def test_utility_functions_have_correct_shapes(
     posterior = generate_dummy_conjugate_posterior(dataset)
     posteriors = {OBJECTIVE: posterior}
     datasets = {OBJECTIVE: dataset}
-    ts_utility_builder = utility_function_builder(**utility_function_kwargs)
-    ts_utility_function = ts_utility_builder.build_utility_function(
+    utility_builder = utility_function_builder(**utility_function_kwargs)
+    utility_function = utility_builder.build_utility_function(
         posteriors=posteriors, datasets=datasets, key=key
     )
     test_key, _ = jr.split(key)
     test_X = test_target_function.generate_test_points(num_test_points, test_key)
-    ts_utility_function_values = ts_utility_function(test_X)
+    ts_utility_function_values = utility_function(test_X)
     assert ts_utility_function_values.shape == (num_test_points, 1)
diff --git a/tests/test_decision_making/test_utils.py b/tests/test_decision_making/test_utils.py
index d097ee23a..f77bc6cab 100644
--- a/tests/test_decision_making/test_utils.py
+++ b/tests/test_decision_making/test_utils.py
@@ -21,7 +21,6 @@
 from gpjax.decision_making.utils import (
     OBJECTIVE,
     build_function_evaluator,
-    gaussian_cdf,
 )
 from gpjax.typing import (
     Array,
@@ -45,9 +44,3 @@ def _cube(x: Float[Array, "N 1"]) -> Float[Array, "N 1"]:
     assert jnp.equal(datasets[OBJECTIVE].y, _square(x)).all()
     assert jnp.equal(datasets["CONSTRAINT"].X, x).all()
     assert jnp.equal(datasets["CONSTRAINT"].y, _cube(x)).all()
-
-
-def test_gaussian_cdf():
-    x = jnp.array([0.0, 1.0, 2.0])
-    cdf = jnp.array([0.5, 0.84134475, 0.97724987])
-    assert jnp.allclose(cdf, gaussian_cdf(x))