diff --git a/libraries/fbx/src/FBXSerializer.h b/libraries/fbx/src/FBXSerializer.h
index 7227ebac17..31ca301522 100644
--- a/libraries/fbx/src/FBXSerializer.h
+++ b/libraries/fbx/src/FBXSerializer.h
@@ -96,6 +96,8 @@ class ExtractedMesh;
 
 class FBXSerializer : public HFMSerializer {
 public:
+    virtual ~FBXSerializer() {}
+
     MediaType getMediaType() const override;
     std::unique_ptr<hfm::Serializer::Factory> getFactory() const override;
 
diff --git a/libraries/hfm/src/hfm/HFMSerializer.h b/libraries/hfm/src/hfm/HFMSerializer.h
index 868ec3dd45..d0be588d60 100644
--- a/libraries/hfm/src/hfm/HFMSerializer.h
+++ b/libraries/hfm/src/hfm/HFMSerializer.h
@@ -23,6 +23,7 @@ class Serializer {
 public:
     class Factory {
     public:
+        virtual ~Factory() {}
         virtual std::shared_ptr<Serializer> get() = 0;
     };