diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/merging/Merger.h b/hoot-core/src/main/cpp/hoot/core/conflate/merging/Merger.h
index 613ec0d..834b443 100644
--- a/hoot-core/src/main/cpp/hoot/core/conflate/merging/Merger.h
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/merging/Merger.h
@@ -47,7 +47,8 @@ public:
static std::string className() { return "hoot::Merger"; }
- virtual ~Merger() {}
+ Merger() = default;
+ virtual ~Merger() = default;
/**
* Applies the merge to the input map. Any way that is significantly modified should get a new ID.