diff --git a/lib/doc/Customization.lyx b/lib/doc/Customization.lyx
index 191903915a..b7ca06ae5b 100644
--- a/lib/doc/Customization.lyx
+++ b/lib/doc/Customization.lyx
@@ -14,15 +14,6 @@
 % the documentation team
 % email: lyx-docs@lists.lyx.org
 
-\usepackage{ifpdf} % part of the hyperref bundle
-\ifpdf % if pdflatex is used
-
- % set fonts for nicer pdf view
- \IfFileExists{lmodern.sty}
-  {\usepackage{lmodern}}{}
-
-\fi % end if pdflatex is used
-
 % the pages of the TOC is numbered roman
 % and a pdf-bookmark for the TOC is added
 \let\myTOC\tableofcontents
@@ -54,9 +45,9 @@ logicalmkup
 \language_package default
 \inputencoding auto
 \fontencoding global
-\font_roman "default" "default"
-\font_sans "default" "default"
-\font_typewriter "default" "default"
+\font_roman "lmodern" "default"
+\font_sans "lmss" "default"
+\font_typewriter "lmtt" "default"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
diff --git a/lib/doc/de/Customization.lyx b/lib/doc/de/Customization.lyx
index 3fc873d86e..2b95d4d550 100644
--- a/lib/doc/de/Customization.lyx
+++ b/lib/doc/de/Customization.lyx
@@ -13,16 +13,6 @@
 % an das LyX-Dokumentationsteam wenden.
 % EMail: lyx-docs@lists.lyx.org
 
-% wenn pdflatex benutzt wird:
-\usepackage{ifpdf}
-\ifpdf
-
- % Schrift für hübschere PDF-Ansichten
- \IfFileExists{lmodern.sty}
-  {\usepackage{lmodern}}{}
-
-\fi % Ende von: wenn pdflatex benutzt wird
-
 % Setzt den Link für Spruenge zu Gleitabbildungen
 % auf den Anfang des Gelitobjekts und nicht aufs Ende
 \usepackage[figure]{hypcap}
@@ -57,9 +47,9 @@ logicalmkup
 \language_package default
 \inputencoding auto
 \fontencoding global
-\font_roman "default" "default"
-\font_sans "default" "default"
-\font_typewriter "default" "default"
+\font_roman "lmodern" "default"
+\font_sans "lmss" "default"
+\font_typewriter "lmtt" "default"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
diff --git a/lib/doc/es/Customization.lyx b/lib/doc/es/Customization.lyx
index 2826016731..ff163441a6 100644
--- a/lib/doc/es/Customization.lyx
+++ b/lib/doc/es/Customization.lyx
@@ -14,15 +14,6 @@
 % the documentation team
 % email: lyx-docs@lists.lyx.org
 
-\usepackage{ifpdf} % part of the hyperref bundle
-\ifpdf % if pdflatex is used
-
- % set fonts for nicer pdf view
- \IfFileExists{lmodern.sty}
-  {\usepackage{lmodern}}{}
-
-\fi % end if pdflatex is used
-
 % the pages of the TOC is numbered roman
 % and a pdf-bookmark for the TOC is added
 \let\myTOC\tableofcontents
@@ -53,9 +44,9 @@ logicalmkup
 \language_package default
 \inputencoding auto
 \fontencoding global
-\font_roman "default" "default"
-\font_sans "default" "default"
-\font_typewriter "default" "default"
+\font_roman "lmodern" "default"
+\font_sans "lmss" "default"
+\font_typewriter "lmtt" "default"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
diff --git a/lib/doc/fr/Customization.lyx b/lib/doc/fr/Customization.lyx
index 5ad4204569..8789fc5b76 100644
--- a/lib/doc/fr/Customization.lyx
+++ b/lib/doc/fr/Customization.lyx
@@ -14,14 +14,6 @@
 % the documentation team
 % email: lyx-docs@lists.lyx.org
 
-\usepackage{ifpdf} % part of the hyperref bundle
-\ifpdf % if pdflatex is used
-
- % set fonts for nicer pdf view
- \IfFileExists{lmodern.sty}{\usepackage{lmodern}}{}
-
-\fi % end if pdflatex is used
-
 % the pages of the TOC is numbered roman
 % and a pdf-bookmark for the TOC is added
 \let\myTOC\tableofcontents
@@ -52,9 +44,9 @@ logicalmkup
 \language_package default
 \inputencoding auto
 \fontencoding global
-\font_roman "default" "default"
-\font_sans "default" "default"
-\font_typewriter "default" "default"
+\font_roman "lmodern" "default"
+\font_sans "lmss" "default"
+\font_typewriter "lmtt" "default"
 \font_math "auto" "auto"
 \font_default_family default
 \use_non_tex_fonts false
diff --git a/lib/doc/ja/Customization.lyx b/lib/doc/ja/Customization.lyx
index 2b083b0b91..03538f17c1 100644
--- a/lib/doc/ja/Customization.lyx
+++ b/lib/doc/ja/Customization.lyx
@@ -14,15 +14,6 @@
 % the documentation team
 % email: lyx-docs@lists.lyx.org
 
-\usepackage{ifpdf} % part of the hyperref bundle
-\ifpdf % if pdflatex is used
-
- % set fonts for nicer pdf view
- \IfFileExists{lmodern.sty}
-  {\usepackage{lmodern}}{}
-
-\fi % end if pdflatex is used
-
 % the pages of the TOC is numbered roman
 % and a pdf-bookmark for the TOC is added
 \let\myTOC\tableofcontents