https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103726
--- Comment #18 from Jonathan Wakely <redi at gcc dot gnu.org> --- No, we can't remove them, because then they can't be used by C++17 code.
redi at gcc dot gnu.org via Gcc-bugs Tue, 11 Jan 2022 09:52:55 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103726
--- Comment #18 from Jonathan Wakely <redi at gcc dot gnu.org> --- No, we can't remove them, because then they can't be used by C++17 code.