diff --git a/thermion_dart/native/src/HighlightOverlay.cpp b/thermion_dart/native/src/HighlightOverlay.cpp
deleted file mode 100644
index 7a6e4044..00000000
--- a/thermion_dart/native/src/HighlightOverlay.cpp
+++ /dev/null
@@ -1,178 +0,0 @@
-// #include <filament/Material.h>
-// #include <filament/MaterialInstance.h>
-// #include <utils/EntityManager.h>
-
-// #include "scene/SceneManager.hpp"
-
-// namespace thermion
-// {
-
-//     SceneManager::HighlightOverlay::HighlightOverlay(
-//         EntityId entityId,
-//         SceneManager *const sceneManager,
-//         Engine *engine,
-//         float r,
-//         float g,
-//         float b) : _sceneManager(sceneManager), _engine(engine)
-//     {
-
-//         auto &rm = engine->getRenderableManager();
-
-//         auto &tm = engine->getTransformManager();
-
-//         // Create the outline/highlight material instance
-//         filament::gltfio::MaterialKey dummyKey; // We're not using the key for this simple material
-//         filament::gltfio::UvMap dummyUvMap;     // We're not using UV mapping for this simple material
-
-//         auto materialProvider = sceneManager->unlitMaterialProvider();
-
-//         _highlightMaterialInstance = materialProvider->createMaterialInstance(&dummyKey, &dummyUvMap);
-//         _highlightMaterialInstance->setStencilOpStencilFail(filament::backend::StencilOperation::KEEP);
-//         _highlightMaterialInstance->setStencilOpDepthFail(filament::backend::StencilOperation::KEEP);
-//         _highlightMaterialInstance->setStencilOpDepthStencilPass(filament::backend::StencilOperation::REPLACE);
-//         _highlightMaterialInstance->setStencilCompareFunction(filament::backend::SamplerCompareFunc::NE);
-//         _highlightMaterialInstance->setStencilReferenceValue(1);
-
-//         _highlightMaterialInstance->setParameter("baseColorFactor", filament::math::float3{r, g, b});
-//         _highlightMaterialInstance->setParameter("vertexScale", 1.04f);
-//         _highlightMaterialInstance->setCullingMode(filament::backend::CullingMode::FRONT);
-
-//         auto scene = sceneManager->getScene();
-
-//         // _isGeometryEntity = sceneManager->isGeometryEntity(entityId);
-//         // _isGltfAsset = sceneManager->isGltfAsset(entityId);
-
-//         if (!(_isGeometryEntity || _isGltfAsset))
-//         {
-//             Log("Failed to set stencil outline for entity %d: the entity is a child of another entity. "
-//                 "Currently, we only support outlining top-level entities."
-//                 "Call getAncestor() to get the ancestor of this entity, then set on that",
-//                 entityId);
-//             return;
-//         }
-
-//         if (_isGeometryEntity)
-//         {
-
-//             auto geometryEntity = Entity::import(entityId);
-//             auto renderable = rm.getInstance(geometryEntity);
-
-//             auto materialInstance = rm.getMaterialInstanceAt(renderable, 0);
-
-//             // set stencil write on the existing material
-//             materialInstance->setStencilWrite(true);
-//             materialInstance->setDepthWrite(true);
-//             materialInstance->setStencilReferenceValue(1);
-//             materialInstance->setStencilOpStencilFail(filament::backend::StencilOperation::KEEP);
-//             materialInstance->setStencilOpDepthFail(filament::backend::StencilOperation::KEEP);
-//             materialInstance->setStencilOpDepthStencilPass(filament::backend::StencilOperation::KEEP);
-//             materialInstance->setStencilCompareFunction(filament::backend::SamplerCompareFunc::A);
-//             // materialInstance->setCullingMode(filament::MaterialInstance::CullingMode::BACK);
-
-//             // auto geometry = sceneManager->getGeometry(entityId);
-
-//             // _entity = geometry->createInstance(materialInstance);
-
-//             scene->addEntity(_entity);
-//             auto outlineTransformInstance = tm.getInstance(_entity);
-//             auto entityTransformInstance = tm.getInstance(geometryEntity);
-//             tm.setParent(outlineTransformInstance, entityTransformInstance);
-//         }
-//         else if (_isGltfAsset)
-//         {
-//             Log("Entity %d is gltf", entityId);
-//             // auto *asset = sceneManager->getAssetByEntityId(entityId);
-
-//             // if (asset)
-//             // {
-
-//             //     Log("Found glTF FilamentAsset with %d material instances", asset->getInstance()->getMaterialInstanceCount());
-
-//             //     auto materialInstance = asset->getInstance()->getMaterialInstances()[0];
-
-//             //     // set stencil write on the existing material
-//             //     materialInstance->setStencilWrite(true);
-//             //     materialInstance->setDepthWrite(true);
-//             //     materialInstance->setStencilReferenceValue(1);
-//             //     materialInstance->setStencilOpStencilFail(filament::backend::StencilOperation::KEEP);
-//             //     materialInstance->setStencilOpDepthFail(filament::backend::StencilOperation::REPLACE);
-//             //     materialInstance->setStencilOpDepthStencilPass(filament::backend::StencilOperation::REPLACE);
-//             //     materialInstance->setStencilCompareFunction(filament::backend::SamplerCompareFunc::A);
-
-//             //     _newInstance = sceneManager->createGltfAssetInstance(asset);
-
-//             //     _entity = _newInstance->getRoot();
-
-//             //     auto newTransformInstance = tm.getInstance(_entity);
-
-//             //     auto entityTransformInstance = tm.getInstance(asset->getRoot());
-//             //     tm.setParent(newTransformInstance, entityTransformInstance);
-//             //     if (!_newInstance)
-//             //     {
-//             //         Log("Couldn't create new instance");
-//             //     }
-//             //     else
-//             //     {
-//             //         for (int i = 0; i < _newInstance->getEntityCount(); i++)
-//             //         {
-//             //             auto entity = _newInstance->getEntities()[i];
-//             //             auto renderableInstance = rm.getInstance(entity);
-//             //             rm.setPriority(renderableInstance, 7);
-//             //             if (renderableInstance.isValid())
-//             //             {
-//             //                 for (int primitiveIndex = 0; primitiveIndex < rm.getPrimitiveCount(renderableInstance); primitiveIndex++)
-//             //                 {
-//             //                     rm.setMaterialInstanceAt(renderableInstance, primitiveIndex, _highlightMaterialInstance);
-//             //                 }
-//             //             }
-//             //             else
-//             //             {
-//             //                 Log("Not renderable, ignoring");
-//             //             }
-//             //         }
-//             //         scene->addEntities(_newInstance->getEntities(), _newInstance->getEntityCount());
-//             //     }
-//             }
-//             else
-//             {
-//                 Log("Not FilamentAsset");
-//             }
-//         }
-    
-
-//     SceneManager::HighlightOverlay::~HighlightOverlay()
-//     {
-//         if (_entity.isNull())
-//         {
-//             Log("Null entity");
-//             return;
-//         }
-
-//         if (_isGltfAsset)
-//         {
-//             Log("Destroyed gltf asset highlight overlay");
-//             _sceneManager->getScene()->removeEntities(_newInstance->getEntities(), _newInstance->getEntityCount());
-//             // _sceneManager->destroyGltfAssetInstance(_newInstance);
-//             // auto materialInstances = _newInstance->getMaterialInstances();
-//             // auto numMaterialInstances = _newInstance->getMaterialInstanceCount();
-//             // _newInstance->detachMaterialInstances();
-//             // for(int i = 0; i < numMaterialInstances; i++) {
-//             //     _engine->destroy(_highlightMaterialInstance);
-//             // }
-//             // _engine->destroy(_newInstance);
-//         }
-//         else if (_isGeometryEntity)
-//         {
-//             auto &tm = _engine->getTransformManager();
-//             auto transformInstance = tm.getInstance(_entity);
-//             _sceneManager->getScene()->remove(_entity);
-//             utils::EntityManager::get().destroy(_entity);
-//             _engine->destroy(_entity);
-//             _engine->destroy(_highlightMaterialInstance);
-//         }
-//         else
-//         {
-//             Log("FATAL: Unknown highlight overlay entity type");
-//         }
-//     }
-// }
\ No newline at end of file