diff --git a/src/olympic/keel/include/keel/typeconv.hpp b/src/olympic/keel/include/keel/typeconv.hpp
index e9f2c2cc..c86fb850 100644
--- a/src/olympic/keel/include/keel/typeconv.hpp
+++ b/src/olympic/keel/include/keel/typeconv.hpp
@@ -129,7 +129,7 @@ class BaseConverter {
 
 
 template<auto Func>
-class ConverterFunc: public BaseConverter {
+class ConverterFunc final: public BaseConverter {
 	private:
 		template<typename SrcType, typename DstType>
 		struct ParamPack {
@@ -200,14 +200,14 @@ class Converter {
 		BaseConverter *m_conv{};
 	public:
 		template<auto Func>
-		static Converter make() {
+		static Converter make() noexcept {
 			Converter out;
 			static_assert(sizeof(ConverterFunc<Func>) <= sizeof(out.m_buff));
 			out.m_conv = new (out.m_buff.data()) ConverterFunc<Func>{};
 			return out;
 		}
 		constexpr Converter() {}
-		Converter(Converter const &other):
+		Converter(Converter const &other) noexcept:
 			m_buff{other.m_buff},
 			m_conv{m_buff.data()} {}
 		[[nodiscard]]