diff --git a/hugo.toml b/hugo.toml
index fb8a2cb..ebd0a76 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -14,11 +14,6 @@ enableGitInfo = false
 [markup.tableOfContents]
   startLevel = 1
 
-# Multi-lingual mode config
-# There are different options to translate files
-# See https://gohugo.io/content-management/multilingual/#translation-by-filename
-# And https://gohugo.io/content-management/multilingual/#translation-by-content-directory
-
 [languages]
 [languages.en]
   languageName = 'English'
@@ -28,9 +23,6 @@ enableGitInfo = false
 [menu]
 
 # [[menu.before]]
-#   name = "home"
-#   url = "/"
-#   weight = 10
 
 [[menu.after]]
   name = "about"
@@ -59,14 +51,6 @@ enableGitInfo = false
   # If the favicon is /static/favicon.png then the path would be favicon.png
   BookFavicon = 'favicon.ico'
 
-  # (Optional, default none) Set the path to a logo for the book.
-  # If the logo is /static/logo.png then the path would be logo.png
-  # BookLogo = 'logo.png'
-
-  # (Optional, default none) Set leaf bundle to render as side menu
-  # When not specified file structure and weights will be used
-  # BookMenuBundle = '/menu'
-
   # (Optional, default docs) Specify root page to render child pages as menu.
   # Page is resoled by .GetPage function: https://gohugo.io/functions/getpage/
   # For backward compatibility you can set '*' to render all sections to menu. Acts same as '/'
@@ -76,23 +60,6 @@ enableGitInfo = false
   # Used for 'Last Modified' and 'Edit this page' links.
   BookRepo = ''
 
-  # (Optional, default 'commit') Specifies commit portion of the link to the page's last modified
-  # commit hash for 'doc' page type.
-  # Requires 'BookRepo' param.
-  # Value used to construct a URL consisting of BookRepo/BookCommitPath/<commit-hash>
-  # Github uses 'commit', Bitbucket uses 'commits'
-  # BookCommitPath = 'commit'
-
-  # Enable "Edit this page" links for 'doc' page type.
-  # Disabled by default. Uncomment to enable. Requires 'BookRepo' param.
-  # Edit path must point to root directory of repo.
-  # BookEditPath = 'edit/main/exampleSite'
-
-  # Configure the date format used on the pages
-  # - In git information
-  # - In blog posts
-  # BookDateFormat = 'Jan 2, 2006'
-
   # (Optional, default true) Enables search function with flexsearch,
   # Index is built on fly, therefore it might slowdown your website.
   # Configuration for indexing can be adjusted in i18n folder per language.
@@ -109,11 +76,3 @@ enableGitInfo = false
   # Portable links meant to work with text editors and let you write markdown without {{< relref >}} shortcode
   # Theme will print warning if page referenced in markdown does not exists.
   BookPortableLinks = true
-
-  # /!\ This is an experimental feature, might be removed or changed at any time
-  # (Optional, experimental, default false) Enables service worker that caches visited pages and resources for offline use.
-  # BookServiceWorker = true
-
-  # /!\ This is an experimental feature, might be removed or changed at any time
-  # (Optional, experimental, default false) Enables a drop-down menu for translations only if a translation is present.
-  # BookTranslatedOnly = false