diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index 8df4e91a5..f29c8f1df 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -71,7 +71,6 @@ public:
     void resize(uint16_t width, uint16_t height, float ratio, uint16_t fb_width, uint16_t fb_height);
 
     // Styling
-    const std::set<util::ptr<StyleSource>> getActiveSources() const;
     void setAppliedClasses(const std::vector<std::string> &classes);
     void toggleClass(const std::string &name);
     const std::vector<std::string> &getAppliedClasses() const;
diff --git a/src/map/map.cpp b/src/map/map.cpp
index 22eb0de69..c6d376c13 100644
--- a/src/map/map.cpp
+++ b/src/map/map.cpp
@@ -621,10 +621,6 @@ void Map::updateSources() {
     });
 }
 
-const std::set<util::ptr<StyleSource>> Map::getActiveSources() const {
-    return activeSources;
-}
-
 void Map::updateSources(const util::ptr<StyleLayerGroup> &group) {
     if (!group) {
         return;
@@ -642,7 +638,7 @@ void Map::updateSources(const util::ptr<StyleLayerGroup> &group) {
 }
 
 void Map::updateTiles() {
-    for (const util::ptr<StyleSource> &source : getActiveSources()) {
+    for (const auto& source : activeSources) {
         source->source->update(*this, getWorker(),
                                style, glyphAtlas, *glyphStore,
                                spriteAtlas, getSprite(),