diff --git a/src/mbgl/layout/symbol_feature.hpp b/src/mbgl/layout/symbol_feature.hpp
index 85756a9ce..b72687cbd 100644
--- a/src/mbgl/layout/symbol_feature.hpp
+++ b/src/mbgl/layout/symbol_feature.hpp
@@ -31,7 +31,6 @@ public:
     std::optional<style::expression::Image> icon;
     float sortKey = 0.0f;
     std::size_t index = 0;
-    bool allowsVerticalWritingMode = false;
 };
 
 } // namespace mbgl