diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 94695ca..454489b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 before_script:
-  - apt-get update -qq && apt-get install -y -qq texlive latexmk
+  - apt-get update -qq && apt-get install -y -qq texlive texlive-lang-german latexmk
   - pdflatex -version
   - which pdflatex
 
@@ -8,4 +8,4 @@ build:
     - latexmk -pdf
   artifacts:
     paths:
-      - "*.pdf"
\ No newline at end of file
+      - "*.pdf"
diff --git a/article.tex b/article.tex
deleted file mode 100644
index 320cf3c..0000000
--- a/article.tex
+++ /dev/null
@@ -1,56 +0,0 @@
-\documentclass[
-  fontsize=11pt
-]{scrbook}
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{lmodern}
-\usepackage[ngerman]{babel}
-\usepackage[automark]{scrlayer-scrpage}
-
-\usepackage{wallpaper}
-\usepackage{tikz}
-\usepackage{blindtext}
-
-\newcommand\chapterillustration{}
-%https://komascript.de/comment/5067#comment-5067
-\setkomafont{chapter}{\huge}
-\makeatletter
-% Hack: Eigenen, rudimentären Kapitelstil definieren.
-\newcommand*{\scr@dsc@def@style@xchapter@command}[1]{%
-  \scr@dsc@def@style@chapter@command{#1}%
-  \expandafter\def\csname @@make#1head\endcsname##1{%
-    \let\orig@raggedchapter\raggedchapter
-    \let\raggedchapter\raggedleft
-    \let\orig@hangfrom\@hangfrom
-    \let\@hangfrom\chapterhang
-    \scr@@makechapterhead{#1}{##1}%
-    \let\@hangfrom\orig@saved@hangfrom
-    \let\raggedchapter\orig@raggedchapter
-  }%
-}
-\makeatother
-\DeclareSectionCommand[style=xchapter]{chapter}
-\newbox\chapternumberbox
-\newcommand{\chapterhang}[2]{%
-  %\ThisULCornerWallPaper{1}{\chapterillustration}
-  \tikz[remember picture,overlay] \node[opacity=1.0,inner sep=0pt] at (current page.north){\includegraphics[width=\paperwidth,height=.5\paperheight]{\chapterillustration}};%
-  \savebox\chapternumberbox{\fontsize{100}{100}\normalfont\sffamily\bfseries
-    \thechapter}%
-  \parbox[t]{\dimexpr\linewidth-\wd\chapternumberbox-1em}{%
-    \raggedleft
-    \makebox[1em][l]{\normalfont\normalsize\slshape\chapapp}\\
-    #2%
-  }\quad
-  \raisebox{-1.75\baselineskip}{\usebox\chapternumberbox}\par
-}
-
-\usepackage{mwe}
-\begin{document}
-\tableofcontents
-\renewcommand\chapterillustration{six-computers-chips-circuits}
-\setcounter{chapter}{3}
-\chapter{Erarbeitete technische Prinzipien}
-\Blindtext
-%\blinddocument
-
-\end{document}
diff --git a/home-server.tex b/home-server.tex
index 2a588b0..5b77218 100644
--- a/home-server.tex
+++ b/home-server.tex
@@ -7,7 +7,7 @@
 \usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
 \usepackage{lmodern}
-\usepackage[ngerman]{babel}
+\usepackage[english]{babel}
 \usepackage[automark]{scrlayer-scrpage}
 
 \usepackage[raiselinks=true,
diff --git a/six-computers-chips-circuits.jpg b/six-computers-chips-circuits.jpg
deleted file mode 100644
index 250b832..0000000
Binary files a/six-computers-chips-circuits.jpg and /dev/null differ