diff --git a/Gemfile b/Gemfile
index 9205a6e..b1c38c8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,3 @@ source 'https://rubygems.org'
 gem 'webrick'
 # Run Google Page in local using "bundle exec jekyll s "
 gem 'github-pages', group: :jekyll_plugins
-
-gem 'jekyll-last-modified-at', group: :jekyll_plugins
-gem 'jekyll-sitemap', group: :jekyll_plugins