diff --git a/book/book.toml b/book/book.toml
index 3ddc28b77..a9aeaeed3 100644
--- a/book/book.toml
+++ b/book/book.toml
@@ -7,4 +7,4 @@ build-dir = "html"
 create-missing = false
 
 [output.html]
-theme = "src/theme"
+theme = "theme"
diff --git a/book/src/theme/book.js b/book/theme/book.js
similarity index 100%
rename from book/src/theme/book.js
rename to book/theme/book.js
diff --git a/book/src/theme/css/chrome.css b/book/theme/css/chrome.css
similarity index 100%
rename from book/src/theme/css/chrome.css
rename to book/theme/css/chrome.css
diff --git a/book/src/theme/css/general.css b/book/theme/css/general.css
similarity index 100%
rename from book/src/theme/css/general.css
rename to book/theme/css/general.css
diff --git a/book/src/theme/css/print.css b/book/theme/css/print.css
similarity index 100%
rename from book/src/theme/css/print.css
rename to book/theme/css/print.css
diff --git a/book/src/theme/css/variables.css b/book/theme/css/variables.css
similarity index 100%
rename from book/src/theme/css/variables.css
rename to book/theme/css/variables.css
diff --git a/book/src/theme/favicon.png b/book/theme/favicon.png
similarity index 100%
rename from book/src/theme/favicon.png
rename to book/theme/favicon.png
diff --git a/book/src/theme/highlight.css b/book/theme/highlight.css
similarity index 100%
rename from book/src/theme/highlight.css
rename to book/theme/highlight.css
diff --git a/book/src/theme/highlight.js b/book/theme/highlight.js
similarity index 100%
rename from book/src/theme/highlight.js
rename to book/theme/highlight.js
diff --git a/book/src/theme/index.hbs b/book/theme/index.hbs
similarity index 100%
rename from book/src/theme/index.hbs
rename to book/theme/index.hbs