diff --git a/src/py/crankshaft/crankshaft/pysal_utils/pysal_utils.py b/src/py/crankshaft/crankshaft/pysal_utils/pysal_utils.py
index 35cfec1..3cbb7f7 100644
--- a/src/py/crankshaft/crankshaft/pysal_utils/pysal_utils.py
+++ b/src/py/crankshaft/crankshaft/pysal_utils/pysal_utils.py
@@ -193,13 +193,13 @@ def get_attributes(query_res, attr_num=1):
                     dtype=np.float)
 
 
-def empty_zipped_array(num_nones):
-    """
-        prepare return values for cases of empty weights objects (no neighbors)
-        Input:
-        @param num_nones int: number of columns (e.g., 4)
-        Output:
-        [(None, None, None, None)]
-    """
-
-    return [tuple([None] * num_nones)]
+# def empty_zipped_array(num_nones):
+#     """
+#         prepare return values for cases of empty weights objects (no neighbors)
+#         Input:
+#         @param num_nones int: number of columns (e.g., 4)
+#         Output:
+#         [(None, None, None, None)]
+#     """
+#
+#     return [tuple([None] * num_nones)]
diff --git a/src/py/crankshaft/test/test_pysal_utils.py b/src/py/crankshaft/test/test_pysal_utils.py
index 92b528b..be45164 100644
--- a/src/py/crankshaft/test/test_pysal_utils.py
+++ b/src/py/crankshaft/test/test_pysal_utils.py
@@ -70,80 +70,10 @@ class PysalUtilsTest(unittest.TestCase):
         self.assertEqual(pu.query_attr_where(self.params1), ans1)
         self.assertEqual(pu.query_attr_where(self.params_array), ans_array)
 
-    def test_knn(self):
-        """Test knn neighbors constructor"""
-
-        ans1 = "SELECT i.\"cartodb_id\" As id, " \
-                     "i.\"andy\"::numeric As attr1, " \
-                     "i.\"jay_z\"::numeric As attr2, " \
-                     "(SELECT ARRAY(SELECT j.\"cartodb_id\" " \
-                                   "FROM (SELECT * FROM a_list) As j " \
-                                   "WHERE " \
-                                    "i.\"cartodb_id\" <> j.\"cartodb_id\" AND " \
-                                    "j.\"andy\" IS NOT NULL AND " \
-                                    "j.\"jay_z\" IS NOT NULL " \
-                                   "ORDER BY " \
-                                    "j.\"the_geom\" <-> i.\"the_geom\" ASC " \
-                      "LIMIT 321)) As neighbors " \
-              "FROM (SELECT * FROM a_list) As i " \
-              "WHERE i.\"andy\" IS NOT NULL AND " \
-                    "i.\"jay_z\" IS NOT NULL " \
-              "ORDER BY i.\"cartodb_id\" ASC;"
-
-        ans_array = "SELECT i.\"cartodb_id\" As id, " \
-              "i.\"_2013_dec\"::numeric As attr1, " \
-              "i.\"_2014_jan\"::numeric As attr2, " \
-              "i.\"_2014_feb\"::numeric As attr3, " \
-              "(SELECT ARRAY(SELECT j.\"cartodb_id\" " \
-                            "FROM (SELECT * FROM a_list) As j " \
-                            "WHERE i.\"cartodb_id\" <> j.\"cartodb_id\" AND " \
-                                  "j.\"_2013_dec\" IS NOT NULL AND " \
-                                  "j.\"_2014_jan\" IS NOT NULL AND " \
-                                  "j.\"_2014_feb\" IS NOT NULL " \
-                            "ORDER BY j.\"the_geom\" <-> i.\"the_geom\" ASC " \
-                            "LIMIT 321)) As neighbors " \
-              "FROM (SELECT * FROM a_list) As i " \
-              "WHERE i.\"_2013_dec\" IS NOT NULL AND " \
-                    "i.\"_2014_jan\" IS NOT NULL AND " \
-                    "i.\"_2014_feb\" IS NOT NULL "\
-              "ORDER BY i.\"cartodb_id\" ASC;"
-
-        self.assertEqual(pu.knn(self.params1), ans1)
-        self.assertEqual(pu.knn(self.params_array), ans_array)
-
-    def test_queen(self):
-        """Test queen neighbors constructor"""
-
-        ans1 = "SELECT i.\"cartodb_id\" As id, " \
-                     "i.\"andy\"::numeric As attr1, " \
-                     "i.\"jay_z\"::numeric As attr2, " \
-                     "(SELECT ARRAY(SELECT j.\"cartodb_id\" " \
-                                   "FROM (SELECT * FROM a_list) As j " \
-                                   "WHERE " \
-                                   "i.\"cartodb_id\" <> j.\"cartodb_id\" AND " \
-                                   "ST_Touches(i.\"the_geom\", " \
-                                              "j.\"the_geom\") AND " \
-                                   "j.\"andy\" IS NOT NULL AND " \
-                                   "j.\"jay_z\" IS NOT NULL)" \
-                                  ") As neighbors " \
-              "FROM (SELECT * FROM a_list) As i " \
-              "WHERE i.\"andy\" IS NOT NULL AND " \
-                    "i.\"jay_z\" IS NOT NULL " \
-              "ORDER BY i.\"cartodb_id\" ASC;"
-
-        self.assertEqual(pu.queen(self.params1), ans1)
-
-    def test_construct_neighbor_query(self):
-        """Test construct_neighbor_query"""
-
-        # Compare to raw knn query
-        self.assertEqual(pu.construct_neighbor_query('knn', self.params1),
-                         pu.knn(self.params1))
-
     def test_get_attributes(self):
         """Test get_attributes"""
 
-        ## need to add tests
+        # need to add tests
 
         self.assertEqual(True, True)
 
@@ -151,10 +81,3 @@ class PysalUtilsTest(unittest.TestCase):
         """Test get_weight"""
 
         self.assertEqual(True, True)
-
-    def test_empty_zipped_array(self):
-        """Test empty_zipped_array"""
-        ans2 = [(None, None)]
-        ans4 = [(None, None, None, None)]
-        self.assertEqual(pu.empty_zipped_array(2), ans2)
-        self.assertEqual(pu.empty_zipped_array(4), ans4)