diff --git a/book/_quarto.yml b/book/_quarto.yml
index 1197256..73ad0ea 100755
--- a/book/_quarto.yml
+++ b/book/_quarto.yml
@@ -24,8 +24,6 @@ bibliography: references.bib
 format:
   html:
     theme: cosmo
-  pdf:
-    documentclass: scrreprt
 
 editor: visual