diff --git a/hoot-core/src/main/cpp/hoot/core/ops/BuildingOnlyOp.h b/hoot-core/src/main/cpp/hoot/core/ops/BuildingOnlyOp.h
index 0491c82..e819054 100644
--- a/hoot-core/src/main/cpp/hoot/core/ops/BuildingOnlyOp.h
+++ b/hoot-core/src/main/cpp/hoot/core/ops/BuildingOnlyOp.h
@@ -22,7 +22,7 @@
* This will properly maintain the copyright information. DigitalGlobe
* copyrights will be updated automatically.
*
- * @copyright Copyright (C) 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
*/
#ifndef BUILDINGONLYOP_H
#define BUILDINGONLYOP_H
@@ -65,7 +65,8 @@ public:
/**
* @brief BuildingOnlyOp - default constructor
*/
- BuildingOnlyOp();
+ BuildingOnlyOp() = default;
+ virtual ~BuildingOnlyOp() = default;
/**
* @brief apply - perform the operation on the map (see class description)