diff --git a/.htmlhintrc b/.htmlhintrc
new file mode 100644
index 0000000000..3350e566ec
--- /dev/null
+++ b/.htmlhintrc
@@ -0,0 +1,5 @@
+{
+    "head-script-disabled": false,
+    "alt-require": false,
+    "id-class-value": false
+}
diff --git a/docs/r_markdown_docs/_output.yml b/docs/r_markdown_docs/_output.yml
index e38843f93d..166f5a6c5e 100644
--- a/docs/r_markdown_docs/_output.yml
+++ b/docs/r_markdown_docs/_output.yml
@@ -1,6 +1,5 @@
 bookdown::gitbook:
   pandoc_args: ["--lua-filter=conditional-content.lua"]
-  self_contained: false
   split_by: chapter
   css: assets/style.css
   includes:
@@ -26,7 +25,6 @@ bookdown::pdf_book:
   citation_package: natbib
   template: null
   pandoc_args: [--top-level-division=chapter, --wrap=none, "--lua-filter=conditional-content.lua"]
-  self_contained: false
   toc_depth: 3
   toc_unnumbered: no
   toc_appendix: yes