I would like to remove the dot that appears just after chapter's title.
How could I do that? This is my mwe using TeXShop Version 3.75 :
\documentclass[fontsize=12pt,%
twoside=semi,%
headings=small,%
chapterprefix=true,%
listof=flat]%
{scrbook}
\usepackage{setspace}
\usepackage{pdfpages}
%%%%%%%%%%%%%%%%%%%%%%%%%%numéros page%%%%%%%%%%%%
\usepackage[automark]{scrlayer-scrpage}% See scrguien.pdf, chapter 5
\ihead{\headmark}% running head at the inner edge of the page head
\ohead*{\pagemark}% page number at the outer edge of the page head (plain pages too)
\ofoot*{}% no page number at the outer edge of the page footer (plain pages too)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\addtokomafont{pageheadfoot}{\scshape\small}%changed to small caps in headers
\addtokomafont{disposition}{\normalfont}
\addtokomafont{part}{\scshape\LARGE}
\addtokomafont{chapter}{\scshape\Huge}
\addtokomafont{section}{\scshape\large}
\addtokomafont{subsection}{\itshape}
\addtokomafont{subsubsection}{\itshape}
\addtokomafont{paragraph}{\scshape\small}
\addtokomafont{subparagraph}{\scshape\small}
%\let\bfseries\mdseries
\usepackage[utf8]{inputenc}
\usepackage [french]{babel}
\usepackage[T1]{fontenc}
\usepackage{mathptmx}
\usepackage{chngcntr}
\counterwithout{footnote}{chapter}
\usepackage{hyperref}
\AtBeginDocument{\renewcommand{\thepart}{\Roman{part}}}
%%%%%%%%%%%%Numérotation des chapitres et section%%%%%%%%%%%%%%%%%%%
\makeatletter
\@addtoreset{chapter}{part}
\makeatother
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{lipsum}
\begin{document}
\frontmatter
\tableofcontents
\chapter{Introduction}
\lipsum
\mainmatter
\part{Objet et méthode}
\chapter{Définitions}
\lipsum
\end{document}
chapter
-level headers. Which TeX distribution do you employ?tocloft
with a KOMA-Script class.