diff --git a/user-guide/book.toml b/user-guide/book.toml
index e948ef3..bafbbe4 100644
--- a/user-guide/book.toml
+++ b/user-guide/book.toml
@@ -1,7 +1,6 @@
 [book]
 authors = ["Lut99"]
 language = "en"
-multilingual = false
 src = "src"
 title = "Brane: The User Guide"