diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayExpertClassifier.h b/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayExpertClassifier.h
index 432a503..4c12be4 100644
--- a/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayExpertClassifier.h
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/highway/HighwayExpertClassifier.h
@@ -22,7 +22,7 @@
* This will properly maintain the copyright information. DigitalGlobe
* copyrights will be updated automatically.
*
- * @copyright Copyright (C) 2015, 2017, 2018 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2015, 2017, 2018, 2020 DigitalGlobe (http://www.digitalglobe.com/)
*/
#ifndef HIGHWAYEXPERTCLASSIFIER_H
#define HIGHWAYEXPERTCLASSIFIER_H
@@ -40,7 +40,8 @@ public:
static std::string className() { return "hoot::HighwayExpertClassifier"; }
- HighwayExpertClassifier();
+ HighwayExpertClassifier() = default;
+ virtual ~HighwayExpertClassifier() = default;
virtual MatchClassification classify(const ConstOsmMapPtr& map,
ElementId eid1, ElementId eid2, const WaySublineMatchString& match);