diff --git a/Gemfile b/Gemfile
index d27b8be..846135d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,9 +9,7 @@ group :jekyll_plugins do
   gem 'jekyll-paginate'
   gem 'jekyll-email-protect'
   gem 'jekyll-feed'
-  gem 'jekyll-last-modified-at'
 end
 
 gem "webrick", "~> 1.7"
-
 gem "nokogiri", "~> 1.15"