diff --git a/hoot-rnd/src/main/cpp/hoot/rnd/scoring/multiary/MultiaryMatchTrainingValidator.h b/hoot-rnd/src/main/cpp/hoot/rnd/scoring/multiary/MultiaryMatchTrainingValidator.h
index 680a22b..6408d04 100644
--- a/hoot-rnd/src/main/cpp/hoot/rnd/scoring/multiary/MultiaryMatchTrainingValidator.h
+++ b/hoot-rnd/src/main/cpp/hoot/rnd/scoring/multiary/MultiaryMatchTrainingValidator.h
@@ -39,7 +39,8 @@ public:
static std::string className() { return "hoot::AddressCountVisitor"; }
- MultiaryMatchTrainingValidator();
+ MultiaryMatchTrainingValidator() = default;
+ virtual ~MultiaryMatchTrainingValidator() = default;
/**
* @see OsmMapOperation::apply()