Confusing underlines in the `*compilation*` buffer

Modus Themes underline the compilation error regexp matches in the *compilation* buffer. I do not know about others, but I think that these underlines make it harder, not easier, to read the compilation error messages.

(It makes sense to underline the matches when one wants to debug a regexp in compilation-error-regexp-alist-alist, but not in daily use. The underlined output looks confusing if the error/warning regexp matches more than just a file name, which happens for a large number of languages.)

Some examples (from the compilation.txt file that comes with Emacs sources):