diff --git a/tests/base.py b/tests/base.py
index cb4d8c30..f2399fb4 100644
--- a/tests/base.py
+++ b/tests/base.py
@@ -381,263 +381,3 @@ def setUp(self):
 
     self.optimizely = optimizely.Optimizely(json.dumps(self.config_dict))
     self.project_config = self.optimizely.config
-
-
-class BaseTestV3(unittest.TestCase):
-
-  def setUp(self):
-    self.config_dict = {
-      'revision': '42',
-      'version': '2',
-      'events': [{
-        'key': 'test_event',
-        'experimentIds': ['111127'],
-        'id': '111095'
-      }, {
-        'key': 'Total Revenue',
-        'experimentIds': ['111127'],
-        'id': '111096'
-      }],
-      'experiments': [{
-        'key': 'test_experiment',
-        'status': 'Running',
-        'forcedVariations': {
-          'user_1': 'control',
-          'user_2': 'control'
-        },
-        'layerId': '111182',
-        'audienceIds': ['11154'],
-        'trafficAllocation': [{
-          'entityId': '111128',
-          'endOfRange': 4000
-        }, {
-          'entityId': '',
-          'endOfRange': 5000
-        }, {
-          'entityId': '111129',
-          'endOfRange': 9000
-        }],
-        'id': '111127',
-        'variations': [{
-          'key': 'control',
-          'id': '111128'
-        }, {
-          'key': 'variation',
-          'id': '111129'
-        }]
-      }],
-      'groups': [{
-        'id': '19228',
-        'policy': 'random',
-        'experiments': [{
-          'id': '32222',
-          'key': 'group_exp_1',
-          'status': 'Running',
-          'audienceIds': [],
-          'layerId': '111183',
-          'variations': [{
-            'key': 'group_exp_1_control',
-            'id': '28901'
-          }, {
-            'key': 'group_exp_1_variation',
-            'id': '28902'
-          }],
-          'forcedVariations': {
-            'user_1': 'group_exp_1_control',
-            'user_2': 'group_exp_1_control'
-          },
-          'trafficAllocation': [{
-            'entityId': '28901',
-            'endOfRange': 3000
-          }, {
-            'entityId': '28902',
-            'endOfRange': 9000
-          }]
-        }, {
-          'id': '32223',
-          'key': 'group_exp_2',
-          'status': 'Running',
-          'audienceIds': [],
-          'layerId': '111184',
-          'variations': [{
-            'key': 'group_exp_2_control',
-            'id': '28905'
-          }, {
-            'key': 'group_exp_2_variation',
-            'id': '28906'
-          }],
-          'forcedVariations': {
-            'user_1': 'group_exp_2_control',
-            'user_2': 'group_exp_2_control'
-          },
-          'trafficAllocation': [{
-            'entityId': '28905',
-            'endOfRange': 8000
-          }, {
-            'entityId': '28906',
-            'endOfRange': 10000
-          }]
-        }],
-        'trafficAllocation': [{
-          'entityId': '32222',
-          "endOfRange": 3000
-        }, {
-          'entityId': '32223',
-          'endOfRange': 7500
-        }]
-      }],
-      'accountId': '12001',
-      'attributes': [{
-        'key': 'test_attribute',
-        'id': '111094'
-      }],
-      'audiences': [{
-        'name': 'Test attribute users',
-        'conditions': '["and", ["or", ["or", '
-                      '{"name": "test_attribute", "type": "custom_attribute", "value": "test_value_1"}]]]',
-        'id': '11154'
-      }, {
-        'name': 'Test attribute users',
-        'conditions': '["and", ["or", ["or", '
-                      '{"name": "test_attribute", "type": "custom_attribute", "value": "test_value_2"}]]]',
-        'id': '11159'
-      }],
-      'projectId': '111001'
-    }
-
-    # datafile version 4
-    self.config_dict_with_features = {
-      'revision': '1',
-      'accountId': '12001',
-      'projectId': '111111',
-      'version': '4',
-      'events': [{
-        'key': 'test_event',
-        'experimentIds': ['111127'],
-        'id': '111095'
-      }],
-      'experiments': [{
-        'key': 'test_experiment',
-        'status': 'Running',
-        'forcedVariations': {},
-        'layerId': '111182',
-        'audienceIds': [],
-        'trafficAllocation': [{
-          'entityId': '111128',
-          'endOfRange': 5000
-        }, {
-          'entityId': '111129',
-          'endOfRange': 9000
-        }],
-        'id': '111127',
-        'variations': [{
-          'key': 'control',
-          'id': '111128',
-          'variables': [{
-            'id': '127', 'value': 'false'
-          }, {
-            'id': '128', 'value': 'prod'
-          }]
-        }, {
-          'key': 'variation',
-          'id': '111129'
-        }]
-      }],
-      'groups': [],
-      'attributes': [{
-        'key': 'test_attribute',
-        'id': '111094'
-      }],
-      'audiences': [{
-        'name': 'Test attribute users 1',
-        'conditions': '["and", ["or", ["or", '
-                      '{"name": "test_attribute", "type": "custom_attribute", "value": "test_value_1"}]]]',
-        'id': '11154'
-      }, {
-        'name': 'Test attribute users 2',
-        'conditions': '["and", ["or", ["or", '
-                      '{"name": "test_attribute", "type": "custom_attribute", "value": "test_value_2"}]]]',
-        'id': '11159'
-      }],
-      'rollouts': [{
-        'id': '201111',
-        'experiments': []
-      }, {
-        'id': '211111',
-        'experiments': [{
-          'id': '211127',
-          'key': '211127',
-          'status': 'Running',
-          'forcedVariations': {},
-          'layerId': '211111',
-          'audienceIds': ['11154'],
-          'trafficAllocation': [{
-            'entityId': '211129',
-            'endOfRange': 9000
-          }],
-          'variations': [{
-            'key': '211129',
-            'id': '211129'
-          }]
-        }, {
-          'id': '211137',
-          'key': '211137',
-          'status': 'Running',
-          'forcedVariations': {},
-          'layerId': '211111',
-          'audienceIds': ['11159'],
-          'trafficAllocation': [{
-            'entityId': '211139',
-            'endOfRange': 3000
-          }],
-          'variations': [{
-            'key': '211139',
-            'id': '211139'
-          }]
-        }, {
-          'id': '211147',
-          'key': '211147',
-          'status': 'Running',
-          'forcedVariations': {},
-          'layerId': '211111',
-          'audienceIds': [],
-          'trafficAllocation': [{
-            'entityId': '211149',
-            'endOfRange': 6000
-          }],
-          'variations': [{
-            'key': '211149',
-            'id': '211149'
-          }]
-        }]
-      }],
-      'featureFlags': [{
-        'id': '91111',
-        'key': '91111',
-        'experimentIds': ['111127'],
-        'rolloutId': '',
-        'variables': [{
-            'id': '127',
-            'key': '127',
-            'defaultValue': 'true',
-            'type': 'boolean',
-          }, {
-            'id': '128',
-            'key': '128',
-            'defaultValue': 'devel',
-            'type': 'string',
-          }]
-      }, {
-        'id': '91112',
-        'key': '91112',
-        'experimentIds': [],
-        'rolloutId': '211111',
-        'variables': [],
-      }]
-    }
-
-    self.optimizely = optimizely.Optimizely(json.dumps(self.config_dict))
-    self.config = project_config.ProjectConfig(json.dumps(self.config_dict),
-                                               logger.SimpleLogger(), error_handler.NoOpErrorHandler())
-    self.optimizely.event_builder = event_builder.EventBuilderV3(self.config)
-    self.project_config = self.optimizely.config
diff --git a/tests/test_config.py b/tests/test_config.py
index db92dce8..5aa87efa 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -165,356 +165,6 @@ def test_init(self):
     self.assertEqual(expected_variation_key_map, self.project_config.variation_key_map)
     self.assertEqual(expected_variation_id_map, self.project_config.variation_id_map)
 
-  def test_init__with_v3_datafile(self):
-    """ Test that on creating object, properties are initiated correctly for version 3 datafile. """
-
-    # Adding some additional fields like live variables and IP anonymization
-    config_dict = {
-      'revision': '42',
-      'version': '3',
-      'anonymizeIP': False,
-      'variables': [{
-        'id': '127',
-        'key': 'is_working',
-        'defaultValue': 'true',
-        'type': 'boolean',
-      }, {
-        'id': '128',
-        'key': 'environment',
-        'defaultValue': 'devel',
-        'type': 'string',
-      }, {
-        'id': '129',
-        'key': 'number_of_days',
-        'defaultValue': '192',
-        'type': 'integer',
-      }, {
-        'id': '130',
-        'key': 'significance_value',
-        'defaultValue': '0.00098',
-        'type': 'double',
-      }],
-      'events': [{
-        'key': 'test_event',
-        'experimentIds': ['111127'],
-        'id': '111095'
-      }, {
-        'key': 'Total Revenue',
-        'experimentIds': ['111127'],
-        'id': '111096'
-      }],
-      'experiments': [{
-        'key': 'test_experiment',
-        'status': 'Running',
-        'forcedVariations': {
-          'user_1': 'control',
-          'user_2': 'control'
-        },
-        'layerId': '111182',
-        'audienceIds': ['11154'],
-        'trafficAllocation': [{
-          'entityId': '111128',
-          'endOfRange': 4000
-        }, {
-          'entityId': '',
-          'endOfRange': 5000
-        }, {
-          'entityId': '111129',
-          'endOfRange': 9000
-        }],
-        'id': '111127',
-        'variations': [{
-          'key': 'control',
-          'id': '111128',
-          'featureEnabled': False,
-          'variables': [{
-            'id': '127',
-            'value': 'false'
-          }]
-        }, {
-          'key': 'variation',
-          'id': '111129',
-          'featureEnabled': False,
-          'variables': [{
-            'id': '127',
-            'value': 'true'
-          }]
-        }]
-      }],
-      'groups': [{
-        'id': '19228',
-        'policy': 'random',
-        'experiments': [{
-          'id': '32222',
-          'key': 'group_exp_1',
-          'status': 'Running',
-          'audienceIds': [],
-          'layerId': '111183',
-          'variations': [{
-            'key': 'group_exp_1_control',
-            'id': '28901',
-            'featureEnabled': False,
-            'variables': [{
-              'id': '128',
-              'value': 'prod'
-            }, {
-              'id': '129',
-              'value': '1772'
-            }, {
-              'id': '130',
-              'value': '1.22992'
-            }]
-          }, {
-            'key': 'group_exp_1_variation',
-            'id': '28902',
-            'featureEnabled': False,
-            'variables': [{
-              'id': '128',
-              'value': 'stage'
-            }, {
-              'id': '129',
-              'value': '112'
-            }, {
-              'id': '130',
-              'value': '1.211'
-            }]
-          }],
-          'forcedVariations': {
-            'user_1': 'group_exp_1_control',
-            'user_2': 'group_exp_1_control'
-          },
-          'trafficAllocation': [{
-            'entityId': '28901',
-            'endOfRange': 3000
-          }, {
-            'entityId': '28902',
-            'endOfRange': 9000
-          }]
-        }, {
-          'id': '32223',
-          'key': 'group_exp_2',
-          'status': 'Running',
-          'audienceIds': [],
-          'layerId': '111184',
-          'variations': [{
-            'key': 'group_exp_2_control',
-            'id': '28905',
-            'featureEnabled': False,
-            'variables': []
-          }, {
-            'key': 'group_exp_2_variation',
-            'id': '28906',
-            'featureEnabled': False,
-            'variables': []
-          }],
-          'forcedVariations': {
-            'user_1': 'group_exp_2_control',
-            'user_2': 'group_exp_2_control'
-          },
-          'trafficAllocation': [{
-            'entityId': '28905',
-            'endOfRange': 8000
-          }, {
-            'entityId': '28906',
-            'endOfRange': 10000
-          }]
-        }],
-        'trafficAllocation': [{
-          'entityId': '32222',
-          'endOfRange': 3000
-        }, {
-          'entityId': '32223',
-          'endOfRange': 7500
-        }]
-      }],
-      'accountId': '12001',
-      'attributes': [{
-        'key': 'test_attribute',
-        'id': '111094'
-      }],
-      'audiences': [{
-        'name': 'Test attribute users',
-        'conditions': '["and", ["or", ["or", '
-                      '{"name": "test_attribute", "type": "custom_attribute", "value": "test_value"}]]]',
-        'id': '11154'
-      }],
-      'projectId': '111001'
-    }
-
-    test_obj = optimizely.Optimizely(json.dumps(config_dict))
-    project_config = test_obj.config
-    self.assertEqual(config_dict['accountId'], project_config.account_id)
-    self.assertEqual(config_dict['projectId'], project_config.project_id)
-    self.assertEqual(config_dict['revision'], project_config.revision)
-    self.assertEqual(config_dict['experiments'], project_config.experiments)
-    self.assertEqual(config_dict['events'], project_config.events)
-
-    expected_group_id_map = {
-      '19228': entities.Group(
-        config_dict['groups'][0]['id'],
-        config_dict['groups'][0]['policy'],
-        config_dict['groups'][0]['experiments'],
-        config_dict['groups'][0]['trafficAllocation']
-      )
-    }
-    expected_experiment_key_map = {
-      'test_experiment': entities.Experiment(
-        '111127', 'test_experiment', 'Running', ['11154'], [{
-          'key': 'control',
-          'id': '111128',
-          'featureEnabled': False,
-          'variables': [{
-            'id': '127',
-            'value': 'false'
-          }]
-        }, {
-          'key': 'variation',
-          'id': '111129',
-          'featureEnabled': False,
-          'variables': [{
-            'id': '127',
-            'value': 'true'
-          }]
-        }], {
-            'user_1': 'control',
-            'user_2': 'control'
-        }, [{
-          'entityId': '111128',
-          'endOfRange': 4000
-        }, {
-          'entityId': '',
-          'endOfRange': 5000
-        }, {
-          'entityId': '111129',
-          'endOfRange': 9000
-        }],
-      '111182'),
-      'group_exp_1': entities.Experiment(
-        '32222', 'group_exp_1', 'Running', [], [{
-          'key': 'group_exp_1_control',
-          'id': '28901',
-          'featureEnabled': False,
-          'variables': [{
-            'id': '128',
-            'value': 'prod'
-          }, {
-            'id': '129',
-            'value': '1772'
-          }, {
-            'id': '130',
-            'value': '1.22992'
-          }]
-        }, {
-          'key': 'group_exp_1_variation',
-          'id': '28902',
-          'featureEnabled': False,
-          'variables': [{
-            'id': '128',
-            'value': 'stage'
-          }, {
-            'id': '129',
-            'value': '112'
-          }, {
-            'id': '130',
-            'value': '1.211'
-          }]
-        }], {
-            'user_1': 'group_exp_1_control',
-            'user_2': 'group_exp_1_control'
-        }, [{
-          'entityId': '28901',
-          'endOfRange': 3000
-        }, {
-          'entityId': '28902',
-          'endOfRange': 9000
-        }], '111183', groupId='19228', groupPolicy='random'
-      ),
-      'group_exp_2': entities.Experiment(
-        '32223', 'group_exp_2', 'Running', [], [{
-          'key': 'group_exp_2_control',
-          'id': '28905',
-          'featureEnabled': False,
-          'variables': []
-        }, {
-          'key': 'group_exp_2_variation',
-          'id': '28906',
-          'featureEnabled': False,
-          'variables': []
-        }], {
-            'user_1': 'group_exp_2_control',
-            'user_2': 'group_exp_2_control'
-        }, [{
-          'entityId': '28905',
-          'endOfRange': 8000
-        }, {
-          'entityId': '28906',
-          'endOfRange': 10000
-        }], '111184', groupId='19228', groupPolicy='random'
-      ),
-    }
-    expected_experiment_id_map = {
-      '111127': expected_experiment_key_map.get('test_experiment'),
-      '32222': expected_experiment_key_map.get('group_exp_1'),
-      '32223': expected_experiment_key_map.get('group_exp_2')
-    }
-    expected_event_key_map = {
-      'test_event': entities.Event('111095', 'test_event', ['111127']),
-      'Total Revenue': entities.Event('111096', 'Total Revenue', ['111127'])
-    }
-    expected_attribute_key_map = {
-      'test_attribute': entities.Attribute('111094', 'test_attribute', segmentId='11133')
-    }
-    expected_audience_id_map = {
-      '11154': entities.Audience(
-        '11154', 'Test attribute users',
-        '["and", ["or", ["or", {"name": "test_attribute", "type": "custom_attribute", "value": "test_value"}]]]',
-        conditionStructure=['and', ['or', ['or', 0]]],
-        conditionList=[['test_attribute', 'test_value']]
-      )
-    }
-    expected_variation_key_map = {
-      'test_experiment': {
-        'control': entities.Variation('111128', 'control', False, [{'id': '127', 'value': 'false'}]),
-        'variation': entities.Variation('111129', 'variation', False, [{'id': '127', 'value': 'true'}])
-      },
-      'group_exp_1': {
-        'group_exp_1_control': entities.Variation(
-          '28901', 'group_exp_1_control', False, [
-            {'id': '128', 'value': 'prod'}, {'id': '129', 'value': '1772'}, {'id': '130', 'value': '1.22992'}]),
-        'group_exp_1_variation': entities.Variation(
-          '28902', 'group_exp_1_variation', False, [
-            {'id': '128', 'value': 'stage'}, {'id': '129', 'value': '112'}, {'id': '130', 'value': '1.211'}])
-      },
-      'group_exp_2': {
-        'group_exp_2_control': entities.Variation('28905', 'group_exp_2_control'),
-        'group_exp_2_variation': entities.Variation('28906', 'group_exp_2_variation')
-      }
-    }
-    expected_variation_id_map = {
-      'test_experiment': {
-        '111128': entities.Variation('111128', 'control', False, [{'id': '127', 'value': 'false'}]),
-        '111129': entities.Variation('111129', 'variation', False, [{'id': '127', 'value': 'true'}])
-      },
-      'group_exp_1': {
-        '28901': entities.Variation('28901', 'group_exp_1_control', False, [
-            {'id': '128', 'value': 'prod'}, {'id': '129', 'value': '1772'}, {'id': '130', 'value': '1.22992'}]),
-        '28902': entities.Variation('28902', 'group_exp_1_variation', False, [
-            {'id': '128', 'value': 'stage'}, {'id': '129', 'value': '112'}, {'id': '130', 'value': '1.211'}])
-      },
-      'group_exp_2': {
-        '28905': entities.Variation('28905', 'group_exp_2_control'),
-        '28906': entities.Variation('28906', 'group_exp_2_variation')
-      }
-    }
-    self.assertEqual(expected_group_id_map, project_config.group_id_map)
-    self.assertEqual(expected_experiment_key_map, project_config.experiment_key_map)
-    self.assertEqual(expected_experiment_id_map, project_config.experiment_id_map)
-    self.assertEqual(expected_event_key_map, project_config.event_key_map)
-    self.assertEqual(expected_attribute_key_map, project_config.attribute_key_map)
-    self.assertEqual(expected_audience_id_map, project_config.audience_id_map)
-    self.assertEqual(expected_variation_key_map, project_config.variation_key_map)
-    self.assertEqual(expected_variation_id_map, project_config.variation_id_map)
-
   def test_init__with_v4_datafile(self):
     """ Test that on creating object, properties are initiated correctly for version 4 datafile. """