[core] Get rid of user-specified refs

1 files changed, 2 insertions, 2 deletions

diff --git a/src/mbgl/annotation/style_sourced_annotation_impl.cpp b/src/mbgl/annotation/style_sourced_annotation_impl.cpp
index d3212da12d..cb664cf15d 100644
--- a/src/mbgl/annotation/style_sourced_annotation_impl.cpp
+++ b/src/mbgl/annotation/style_sourced_annotation_impl.cpp
@@ -24,12 +24,12 @@ void StyleSourcedAnnotationImpl::updateStyle(Style& style) const {
         return;
 
     if (sourceLayer->is<LineLayer>()) {
-        std::unique_ptr<Layer> layer = sourceLayer->baseImpl->copy(layerID, "", AnnotationManager::SourceID);
+        std::unique_ptr<Layer> layer = sourceLayer->baseImpl->copy(layerID, AnnotationManager::SourceID);
         layer->as<LineLayer>()->setSourceLayer(layerID);
         layer->as<LineLayer>()->setVisibility(VisibilityType::Visible);
         style.addLayer(std::move(layer), sourceLayer->getID());
     } else if (sourceLayer->is<FillLayer>()) {
-        std::unique_ptr<Layer> layer = sourceLayer->baseImpl->copy(layerID, "", AnnotationManager::SourceID);
+        std::unique_ptr<Layer> layer = sourceLayer->baseImpl->copy(layerID, AnnotationManager::SourceID);
         layer->as<FillLayer>()->setSourceLayer(layerID);
         layer->as<FillLayer>()->setVisibility(VisibilityType::Visible);
         style.addLayer(std::move(layer), sourceLayer->getID());