1 files changed, 4 insertions, 10 deletions
diff --git a/src/mbgl/style/layer_impl.cpp b/src/mbgl/style/layer_impl.cpp
index b8eb01fe77..a9a3941f3e 100644
--- a/src/mbgl/style/layer_impl.cpp
+++ b/src/mbgl/style/layer_impl.cpp
@@ -3,16 +3,10 @@
 namespace mbgl {
 namespace style {
 
-std::unique_ptr<Layer> Layer::Impl::copy(const std::string& id_,
-                                         const std::string& source_) const {
-    std::unique_ptr<Layer> result = clone();
-    result->baseImpl->id = id_;
-    result->baseImpl->source = source_;
-    return result;
-}
-
-void Layer::Impl::setObserver(LayerObserver* observer_) {
-    observer = observer_ ? observer_ : &nullObserver;
+Layer::Impl::Impl(LayerType type_, std::string layerID, std::string sourceID)
+    : type(type_),
+      id(std::move(layerID)),
+      source(std::move(sourceID)) {
 }
 
 } // namespace style