diff --git a/Source/CesiumRuntime/Private/CesiumGltfComponent.cpp b/Source/CesiumRuntime/Private/CesiumGltfComponent.cpp
index 931249e0d..ea7d9821a 100644
--- a/Source/CesiumRuntime/Private/CesiumGltfComponent.cpp
+++ b/Source/CesiumRuntime/Private/CesiumGltfComponent.cpp
@@ -2242,8 +2242,8 @@ loadModelAnyThreadPart(
 
   return CesiumGltfTextures::createInWorkerThread(asyncSystem, *options.pModel)
       .thenInWorkerThread(
-          [transform, ellipsoid, options = std::move(options)]()
-              -> UCesiumGltfComponent::CreateOffGameThreadResult {
+          [transform, ellipsoid, options = std::move(options)]() mutable
+          -> UCesiumGltfComponent::CreateOffGameThreadResult {
             auto pHalf = MakeUnique<HalfConstructedReal>();
 
             loadModelMetadata(pHalf->loadModelResult, options);
diff --git a/Source/CesiumRuntime/Private/CreateGltfOptions.h b/Source/CesiumRuntime/Private/CreateGltfOptions.h
index 57923497a..c809652e7 100644
--- a/Source/CesiumRuntime/Private/CreateGltfOptions.h
+++ b/Source/CesiumRuntime/Private/CreateGltfOptions.h
@@ -41,6 +41,10 @@ struct CreateModelOptions {
         tileLoadResult(std::move(other.tileLoadResult)) {
     pModel = std::get_if<CesiumGltf::Model>(&this->tileLoadResult.contentKind);
   }
+
+  CreateModelOptions(const CreateModelOptions&) = delete;
+  CreateModelOptions& operator=(const CreateModelOptions&) = delete;
+  CreateModelOptions& operator=(CreateModelOptions&&) = delete;
 };
 
 struct CreateNodeOptions {