diff --git a/Gemfile b/Gemfile
index ae44eacb..d37cc7f7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -44,7 +44,6 @@ gem 'inline_svg'
 gem 'httparty'
 gem 'safe_yaml', source: 'https://gems.sutty.nl'
 gem 'jekyll', '~> 4.2'
-gem 'jekyll-data', source: 'https://gems.sutty.nl'
 gem 'jekyll-commonmark'
 gem 'jekyll-images'
 gem 'jekyll-include-cache'
diff --git a/config/initializers/core_extensions.rb b/config/initializers/core_extensions.rb
index 66d2c92b..93f18291 100644
--- a/config/initializers/core_extensions.rb
+++ b/config/initializers/core_extensions.rb
@@ -114,14 +114,3 @@ module PgSearch
     end
   end
 end
-
-# JekyllData::Reader del plugin jekyll-data modifica Jekyll::Site#reader
-# para también leer los datos que vienen en el theme.
-module JekyllData
-  Reader.class_eval do
-    def read_data
-      super
-      read_theme_data
-    end
-  end
-end