1 files changed, 2 insertions, 9 deletions
diff --git a/include/mbgl/style/expression/compound_expression.hpp b/include/mbgl/style/expression/compound_expression.hpp
index b54720a258..57a96d08a0 100644
--- a/include/mbgl/style/expression/compound_expression.hpp
+++ b/include/mbgl/style/expression/compound_expression.hpp
@@ -39,20 +39,13 @@ public:
 
     optional<std::size_t> getParameterCount() const;
 
+    static bool exists(const std::string& name);
+
 protected:
     const detail::SignatureBase& signature;
     std::vector<std::unique_ptr<Expression>> args;
 };
 
-/*
-    Holds the map of expression name => implementation (which is just one or
-    more evaluation functions, each wrapped in a Signature struct).
-*/
-struct CompoundExpressionRegistry {
-    using Definition = std::vector<std::unique_ptr<detail::SignatureBase>>;
-    static std::unordered_map<std::string, Definition> definitions;
-};
-
 ParseResult parseCompoundExpression(const std::string name,
                                     const mbgl::style::conversion::Convertible& value,
                                     ParsingContext& ctx);