diff --git a/Scripts/preprocess_daily.py b/Scripts/preprocess_daily.py
index ef5358dc4..a63cbc849 100644
--- a/Scripts/preprocess_daily.py
+++ b/Scripts/preprocess_daily.py
@@ -403,9 +403,6 @@ class DailyPreprocessor():
                 turn_type = self.n2io2turn[node_id][(inc_edge_id, out_edge_id)]
                 self.match5.at[i, 'turn_type'] = turn_type
 
-        self.p2UPLindices = dict() # parent id to unprotected left index
-
-
     # 2-1-6
     def make_match6(self):
         '''