diff --git a/manual/book.toml b/manual/book.toml
index 2c79be66b..f0feb6e02 100644
--- a/manual/book.toml
+++ b/manual/book.toml
@@ -1,7 +1,6 @@
 [book]
 authors = ["Wilfred Hughes"]
 language = "en"
-multilingual = false
 src = "src"
 title = "Difftastic Manual"
 description = "The official manual for difftastic, the syntactic differ"
diff --git a/translation/zh-CN/manual-zh-CN/book.toml b/translation/zh-CN/manual-zh-CN/book.toml
index 67a8dcf21..bd03abf18 100644
--- a/translation/zh-CN/manual-zh-CN/book.toml
+++ b/translation/zh-CN/manual-zh-CN/book.toml
@@ -1,7 +1,6 @@
 [book]
 authors = ["Wilfred Hughes"]
 language = "zh-CN"
-multilingual = false
 src = "src"
 title = "Difftastic Manual"
 description = "The official manual for difftastic, the syntactic differ"