diff --git a/abstract-cz.tex b/abstract-cz.tex
index 0b86f59..700b135 100644
--- a/abstract-cz.tex
+++ b/abstract-cz.tex
@@ -2,8 +2,6 @@
 
 \usepackage[a-2u]{pdfx}
 \usepackage[czech,shorthands=off]{babel}
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
 
 \usepackage{lmodern}
 
diff --git a/abstract-en.tex b/abstract-en.tex
index f3c9b31..735f9d2 100644
--- a/abstract-en.tex
+++ b/abstract-en.tex
@@ -1,8 +1,6 @@
 \documentclass[12pt]{report}
 
 \usepackage[a-2u]{pdfx}
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
 
 \usepackage{lmodern}
 
diff --git a/thesis.tex b/thesis.tex
index 19616d5..52621f6 100644
--- a/thesis.tex
+++ b/thesis.tex
@@ -6,8 +6,6 @@
 \usepackage[a-2u]{pdfx}
 
 \ifEN\else\usepackage[czech,shorthands=off]{babel}\fi
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
 
 % See https://en.wikipedia.org/wiki/Canons_of_page_construction before
 % modifying the size of printable area. LaTeX defaults are great.