diff --git a/include/uuid.h b/include/uuid.h
index 1a0dc51..cccd57c 100644
--- a/include/uuid.h
+++ b/include/uuid.h
@@ -515,7 +515,7 @@ namespace uuids
       constexpr uuid_const_iterator begin() const noexcept { return uuid_const_iterator(&data[0], 0); }
       constexpr uuid_const_iterator end() const noexcept { return uuid_const_iterator(&data[0], 16); }
 
-      constexpr inline gsl::span<std::byte const, 16> as_bytes() const
+      inline gsl::span<std::byte const, 16> as_bytes() const
       {
          return gsl::span<std::byte const, 16>(reinterpret_cast<std::byte const*>(data.data()), 16);
       }