diff --git a/pubspec.yaml b/pubspec.yaml
index dafde94..76c5869 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -63,6 +63,7 @@ dependencies:
   tutorial_coach_mark: ^1.2.11
   url_launcher: ^6.1.14
   uuid: ^4.2.2
+  built_collection: ^5.1.1
 
 dev_dependencies:
   build_runner: null
diff --git a/test/utils/taskfunctions/comparator_test.dart b/test/utils/taskfunctions/comparator_test.dart
index 32409a9..5957bee 100644
--- a/test/utils/taskfunctions/comparator_test.dart
+++ b/test/utils/taskfunctions/comparator_test.dart
@@ -91,9 +91,6 @@ void main() {
       final task1 = createTask();
       final task2 = createTask();
 
-      // Define urgency function to compare tasks
-      int urgency(Task task) => task.entry.microsecondsSinceEpoch;
-
       final comparator = compareTasks('Urgency');
       expect(comparator(task1, task2), equals(0));
     });