diff --git a/src/metric.hpp b/src/metric.hpp
index 549603f..aab4d15 100644
--- a/src/metric.hpp
+++ b/src/metric.hpp
@@ -11,8 +11,7 @@
 {
   public:
     Metric(std::shared_ptr<interfaces::Sensor> sensor,
-           OperationType operationType, std::string id, std::string metadata,
-           CollectionTimeScope, CollectionDuration);
+           OperationType operationType, std::string id, std::string metadata);
 
     void initialize() override;
     const MetricValue& getReading() const override;
@@ -26,6 +25,4 @@
     std::shared_ptr<interfaces::Sensor> sensor;
     OperationType operationType;
     MetricValue reading;
-    CollectionTimeScope timeScope;
-    CollectionDuration collectionDuration;
 };