diff --git a/book.toml b/book.toml
index 9154a48..f2bf36d 100644
--- a/book.toml
+++ b/book.toml
@@ -24,7 +24,6 @@ git-repository-url = "https://github.com/rust-unofficial/patterns"
 git-repository-icon = "fa-github"
 edit-url-template = "https://github.com/rust-unofficial/patterns/edit/main/{path}"
 additional-css = ["./language-picker.css"]
-additional-js = ["./third_party/mdbook/book.js"]
 
 [output.html.fold]
 enable = true
diff --git a/theme/book.js b/theme/book.js
deleted file mode 100644
index 43fb708..0000000
--- a/theme/book.js
+++ /dev/null
@@ -1 +0,0 @@
-../third_party/mdbook/book.js
\ No newline at end of file
diff --git a/theme/book.js b/theme/book.js
new file mode 120000
index 0000000..43fb708
--- /dev/null
+++ b/theme/book.js
@@ -0,0 +1 @@
+../third_party/mdbook/book.js
\ No newline at end of file