diff --git a/scribble-lib/scribble/acmart/style.tex b/scribble-lib/scribble/acmart/style.tex
index b06428e1..19f281a1 100644
--- a/scribble-lib/scribble/acmart/style.tex
+++ b/scribble-lib/scribble/acmart/style.tex
@@ -1,20 +1,11 @@
 
-% Define \SXtitle to lift \SSubtitle out:
-\newcommand{\SXtitle}[2][]{\title#1{\let\SSubtitle\SSubtitleDrop#2}\SExtractSubtitle#2\SExtractSubtitleDone}
-\def\SSubtitleDrop#1{}
-\def\SExtractSubtitleDone {}
-\def\SExtractSubtitle{\futurelet\next\SExtractSubtitleX}
-\def\SExtractSubtitleX#1{\ifx{#1}\SSubtitle \let\Snext\SWithSubtitle \else \let\Snext\SExtractSubtitleY \fi \Snext}
-\def\SExtractSubtitleY{\ifx\next\SExtractSubtitleDone \let\Snext\relax \else \let\Snext\SExtractSubtitle \fi \Snext}
-\def\SWithSubtitle#1{\subtitle{#1}\SExtractSubtitle}
-
-\renewcommand{\titleAndVersionAndAuthors}[3]{\SXtitle{#1}#3\maketitle}
+\renewcommand{\titleAndVersionAndAuthors}[3]{\title{#1}#3\maketitle}
 \renewcommand{\titleAndEmptyVersionAndAuthors}[3]{\titleAndVersionAndAuthors{#1}{#2}{#3}}
-\renewcommand{\titleAndVersionAndEmptyAuthors}[3]{\SXtitle{#1}\author{Anonymous Author(s)}\maketitle}
+\renewcommand{\titleAndVersionAndEmptyAuthors}[3]{\title{#1}\author{Anonymous Author(s)}\maketitle}
 \renewcommand{\titleAndEmptyVersionAndEmptyAuthors}[3]{\titleAndVersionAndEmptyAuthors{#1}{#2}{#3}}
-\renewcommand{\titleAndVersionAndAuthorsAndShort}[4]{\SXtitle[[#4]]{#1}#3\maketitle}
+\renewcommand{\titleAndVersionAndAuthorsAndShort}[4]{\title[#4]{#1}#3\maketitle}
 \renewcommand{\titleAndEmptyVersionAndAuthorsAndShort}[4]{\titleAndVersionAndAuthorsAndShort{#1}{#2}{#3}{#4}}
-\renewcommand{\titleAndVersionAndEmptyAuthorsAndShort}[4]{\SXtitle[[#4]]{#1}\author{Anonymous Author(s)}\maketitle}
+\renewcommand{\titleAndVersionAndEmptyAuthorsAndShort}[4]{\title[#4]{#1}\author{Anonymous Author(s)}\maketitle}
 \renewcommand{\titleAndEmptyVersionAndEmptyAuthorsAndShort}[4]{\titleAndVersionAndEmptyAuthorsAndShort{#1}{#2}{#3}{#4}}
 
 % Support plain `author' while enabling `authorinfo': for each