diff --git a/lib/transport_helper.dart b/lib/transport_helper.dart
index fa28979..3ab258e 100644
--- a/lib/transport_helper.dart
+++ b/lib/transport_helper.dart
@@ -262,7 +262,6 @@ class Segment {
   }
 
   factory Segment.fromJson(Map<String, dynamic> json) {
-    Database database = DbHelper.db;
     Segment tmp = Segment(
       startPoint: Station.fromJson(json["Origin"]),
       endPoint: Station.fromJson(json["Destination"]),
@@ -767,4 +766,4 @@ enum VehicleType {
   subway,
   regionalTrain,
   PLACEHOLDER,
-}
\ No newline at end of file
+}