diff --git a/pmlearn/gaussian_process/tests/test_gpr.py b/pmlearn/gaussian_process/tests/test_gpr.py
index dfb98ea..afc947b 100644
--- a/pmlearn/gaussian_process/tests/test_gpr.py
+++ b/pmlearn/gaussian_process/tests/test_gpr.py
@@ -22,9 +22,6 @@
 from pmlearn.gaussian_process import (GaussianProcessRegressor,
                                       StudentsTProcessRegressor,
                                       SparseGaussianProcessRegressor)
-# ,
-#                                       SparseGaussianProcessRegressor,
-#                                       StudentsTProcessRegressor)
 
 
 class TestGaussianProcessRegressor(object):