diff --git a/book/book.toml b/book/book.toml
index 08faac511f..4990b63193 100644
--- a/book/book.toml
+++ b/book/book.toml
@@ -12,22 +12,4 @@ title = "The halo2 Book"
 
 [preprocessor.katex]
 macros = "macros.txt"
-renderers = ["html"]
 
-[output.katex]
-
-[output.html]
-
-[output.html.print]
-# Disable page break
-page-break = false
-
-[output.pdf]
-optional = true
-display-header-footer = true
-header-template = "<span></span>"
-footer-template = "<p style='font-size:10px; margin-left: 48%'><span class='pageNumber'></span> / <span class='totalPages'></span></p>"
-
-[output.pdf-outline]
-optional = true
-like-wkhtmltopdf = false