diff --git a/docs/reference/projects/book.json b/docs/reference/projects/book.json
index 91af144195..3aef5cc073 100644
--- a/docs/reference/projects/book.json
+++ b/docs/reference/projects/book.json
@@ -439,10 +439,6 @@
     "name": "year-suffix",
     "description": "Disambiguating year suffix in author-date styles (e.g. \"a\" in \"Doe, 1999a\")."
   },
-  {
-    "name": "description",
-    "description": "Website description"
-  },
   {
     "name": "favicon",
     "description": "The path to the favicon for this website"
diff --git a/tools/reference.ts b/tools/reference.ts
index 5e7ba51fb0..832489f651 100644
--- a/tools/reference.ts
+++ b/tools/reference.ts
@@ -513,7 +513,7 @@ const websiteOptions = readDefinitionsId("base-website", {
 writeProjectTable("website", websiteOptions);
 
 
-const excludeFromBooks = ['announcement', 'drafts', 'draft-mode', 'title'];
+const excludeFromBooks = ['announcement', 'description', 'drafts', 'draft-mode', 'title'];
 
 const bookOptions: Option[] = readProjectObject("book").concat(
   websiteOptions.filter(option => !excludeFromBooks.includes(option.name))