Remove hack on how table of contents is generated

.dir-locals.el

@@ -11,7 +11,6 @@
          (org-latex-prefer-user-labels . t)
          (org-latex-pdf-process . ("latexmk -f -pdf -%latex -shell-escape -interaction=nonstopmode -output-directory=%o %f"))
          (org-html-prefer-user-labels . t)
-         (org-latex-toc-command . "\\frontmatter\n\\addchap{Table of Contents}\n\\label{chap:toc}\n\\listoftoc*{toc}\n\n")
          (flycheck-languagetool-language . "en-GB")
          (fill-column . 200)))
  (org-mode . ((eval . (progn (visual-line-mode)

book.org

@@ -40,9 +40,11 @@
 #+LATEX_HEADER: Prof.\ Dr.\ Bram De Wever
 #+LATEX_HEADER: }
 #+LATEX_HEADER: \addtokomafont{caption}{\small}
+#+LATEX_HEADER: \setuptoc{toc}{numbered}
+#+LATEX_HEADER: \addto\captionsenglish{\renewcommand{\contentsname}{Table of Contents}}
 #+OPTIONS: ':t
 #+OPTIONS: H:4
-#+OPTIONS: toc:3
+#+OPTIONS: toc:nil
 #+OPTIONS: broken-links:mark
 #+MACRO: num_commits 16 thousand
 #+MACRO: num_prs 3\thinsp{}800
@@ -55,10 +57,8 @@
 #+cite_export: csl citation-style.csl
 #+bibliography: bibliography.bib
 
-#+BEGIN_COMMENT
-There should be a `#+LATEX: \frontmatter` here, but I want to still be able to export to HTML, have the TOC show up in itself, change its heading and have the TOC be part of the frontmatter.
-Because of this the `\frontmatter` statement needs to be part of the `org-latex-toc-command` (which is set in the =.dir-locals.el=/=build.el= file).
-#+END_COMMENT
+#+LATEX: \frontmatter
+#+TOC: headlines 2
 
 * To-dos
 :PROPERTIES:

build.el

@@ -17,8 +17,7 @@
       org-latex-caption-above nil
       org-latex-src-block-backend 'minted
       org-latex-minted-options '(("linenos" . "true"))
-      org-latex-prefer-user-labels t
-      org-latex-toc-command "\\frontmatter\n\\addchap{Table of Contents}\n\\label{chap:toc}\n\\listoftoc*{toc}\n\n")
+      org-latex-prefer-user-labels t)
 
 (add-to-list
  'org-export-smart-quotes-alist