diff --git a/monasca_analytics/voter/pick_index.py b/monasca_analytics/voter/pick_index.py
index 725078d..13675d3 100644
--- a/monasca_analytics/voter/pick_index.py
+++ b/monasca_analytics/voter/pick_index.py
@@ -30,7 +30,6 @@ class PickIndexVoter(base.BaseVoter):
     def __init__(self, _id, _config):
         super(PickIndexVoter, self).__init__(_id, _config)
         self._index = _config["index"]
-        self._index = 0
 
     @staticmethod
     def validate_config(_config):