diff --git a/app/models/metadata_related_posts.rb b/app/models/metadata_related_posts.rb
index 9a73dea..855ea73 100644
--- a/app/models/metadata_related_posts.rb
+++ b/app/models/metadata_related_posts.rb
@@ -22,7 +22,7 @@ class MetadataRelatedPosts < MetadataArray
 
   # Obtiene todos los posts y opcionalmente los filtra
   def posts
-    @posts ||= site.posts(lang: lang).where(**filter)
+    site.posts(lang: lang).where(**filter)
   end
 
   def title(post)
diff --git a/app/models/post_relation.rb b/app/models/post_relation.rb
index 850a83d..531d3cc 100644
--- a/app/models/post_relation.rb
+++ b/app/models/post_relation.rb
@@ -93,8 +93,7 @@ class PostRelation < Array
   def where(**args)
     return self if args.empty?
 
-    @where ||= {}
-    @where[args.hash.to_s] ||= begin
+    begin
       PostRelation.new(site: site, lang: lang).concat(select do |post|
         result = args.map do |attr, value|
           next unless post.attribute?(attr)