diff --git a/book.toml b/book.toml
index c2cf646b..ebdf6d96 100644
--- a/book.toml
+++ b/book.toml
@@ -1,7 +1,6 @@
 [book]
 authors = ["Martin Geisler"]
 language = "en"
-multilingual = false
 src = "src"
 title = "Comprehensive Rust 🦀"