diff --git a/source/utilities.tex b/source/utilities.tex
index a284b4f137..6d1b1cd2bb 100644
--- a/source/utilities.tex
+++ b/source/utilities.tex
@@ -863,7 +863,7 @@
         { return {}; }
 
     template<@\exposconcept{constexpr-param}@ L, @\exposconcept{constexpr-param}@ R>
-      friend constexpr auto operator,(L, R) noexcept = delete;
+      friend auto operator,(L, R) = delete;
     template<@\exposconcept{constexpr-param}@ L, @\exposconcept{constexpr-param}@ R>
       friend constexpr auto operator->*(L, R) noexcept -> constant_wrapper<L::value->*(R::value)>
         { return {}; }