diff --git a/tests/test_distributions.py b/tests/test_distributions.py
index ba05246..e48308f 100644
--- a/tests/test_distributions.py
+++ b/tests/test_distributions.py
@@ -1,32 +1,12 @@
 # -*- coding: utf-8 -*-
 import numpy as np
 
-from abacus.utilities import (
-    generalized_pareto,
-    norm_poisson_mixture,
-    student_poisson_mixture,
-)
+from src.abacus.utils.distributions import gp
 
 
 def test_pdf_positivity_gpd():
-    gp_pdf = generalized_pareto.gp.pdf
+    gp_pdf = gp.pdf
     space = np.linspace(0, 10, 100)
 
     for x in space:
         assert gp_pdf(x, 0.15, 0.25) >= 0
-
-
-def test_pdf_positivity_npm():
-    npm_pdf = norm_poisson_mixture.npm.pdf
-    space = np.linspace(-100, 100, 1000)
-
-    for x in space:
-        assert npm_pdf(x, 0, 1, 0.001, 0.000001) >= 0
-
-
-def test_pdf_positivity_spm():
-    spm_pdf = student_poisson_mixture.spm.pdf
-    space = np.linspace(-100, 100, 1000)
-
-    for x in space:
-        assert spm_pdf(x, 0, 1, 0.001, 0.000001, 5) >= 0