diff --git a/config/initializers/core_extensions.rb b/config/initializers/core_extensions.rb
index 95cf9571..66003a00 100644
--- a/config/initializers/core_extensions.rb
+++ b/config/initializers/core_extensions.rb
@@ -1,6 +1,30 @@
 # frozen_string_literal: true
 
-require 'jekyll/document'
-
 String.include CoreExtensions::String::StripTags
 Jekyll::Document.include CoreExtensions::Jekyll::Document::Path
+
+# Lazy Loading de Jekyll, deshabilitando la instanciación de elementos
+# que no necesitamos
+#
+# TODO: Aplicar monkey patches en otro lado...
+module Jekyll
+  Site.class_eval do
+    def setup
+      ensure_not_in_dest
+    end
+  end
+
+  Reader.class_eval do
+    def retrieve_posts(_); end
+
+    def retrieve_dirs(_, _, _); end
+
+    def retrieve_pages(_, _); end
+
+    def retrieve_static_files(_, _); end
+  end
+
+  ThemeAssetsReader.class_eval do
+    def read; end
+  end
+end