diff --git a/GPy/likelihoods/poisson.py b/GPy/likelihoods/poisson.py
index 862f873f..088fc478 100644
--- a/GPy/likelihoods/poisson.py
+++ b/GPy/likelihoods/poisson.py
@@ -5,7 +5,6 @@ from __future__ import division
 import numpy as np
 from scipy import stats,special
 import scipy as sp
-from GPy.util.univariate_Gaussian import std_norm_pdf,std_norm_cdf
 import link_functions
 from likelihood import Likelihood