[core] Use experimental optional instead of mapbox::util::optional

2 files changed, 4 insertions, 4 deletions

diff --git a/src/mbgl/tile/geojson_tile.cpp b/src/mbgl/tile/geojson_tile.cpp
index 9f14780ca4..e7ce5385fe 100644
--- a/src/mbgl/tile/geojson_tile.cpp
+++ b/src/mbgl/tile/geojson_tile.cpp
@@ -14,12 +14,12 @@ FeatureType GeoJSONTileFeature::getType() const {
     return type;
 }
 
-mapbox::util::optional<Value> GeoJSONTileFeature::getValue(const std::string& key) const {
+optional<Value> GeoJSONTileFeature::getValue(const std::string& key) const {
     auto it = tags.find(key);
     if (it != tags.end()) {
-        return mapbox::util::optional<Value>(it->second);
+        return optional<Value>(it->second);
     }
-    return mapbox::util::optional<Value>();
+    return optional<Value>();
 }
 
 GeometryCollection GeoJSONTileFeature::getGeometries() const {
diff --git a/src/mbgl/tile/geojson_tile.hpp b/src/mbgl/tile/geojson_tile.hpp
index e5e9766a17..bbb3eef401 100644
--- a/src/mbgl/tile/geojson_tile.hpp
+++ b/src/mbgl/tile/geojson_tile.hpp
@@ -23,7 +23,7 @@ public:
 
     GeoJSONTileFeature(FeatureType, GeometryCollection&&, Tags&& = Tags{});
     FeatureType getType() const override;
-    mapbox::util::optional<Value> getValue(const std::string&) const override;
+    optional<Value> getValue(const std::string&) const override;
     GeometryCollection getGeometries() const override;
 
 private: