diff --git a/app/models/communication/website/category.rb b/app/models/communication/website/category.rb
index e5a0c4ee289188f8fe34f65f083bb664410983ef..a805bbd3b8eabf7c62b2dfbe09ad02658bf7020a 100644
--- a/app/models/communication/website/category.rb
+++ b/app/models/communication/website/category.rb
@@ -124,8 +124,4 @@ class Communication::Website::Category < ApplicationRecord
   def inherited_blob_ids
     [best_featured_image&.blob_id]
   end
-
-  def permalink_config_key
-    :categories
-  end
 end
diff --git a/app/models/communication/website/post.rb b/app/models/communication/website/post.rb
index 0092a6d6eb75dcea099a5b60180859b0fd98b3af..72f74c3216bb9d7c9c260cf28e7f192b32671fec 100644
--- a/app/models/communication/website/post.rb
+++ b/app/models/communication/website/post.rb
@@ -175,8 +175,4 @@ class Communication::Website::Post < ApplicationRecord
     end
     author.update_and_sync(is_author: true) if author_id
   end
-
-  def permalink_config_key
-    :posts
-  end
 end
diff --git a/app/models/university/person.rb b/app/models/university/person.rb
index 0b62f073d0ab32c3b9941450553491b38e0c624b..1e7716b6ac7fc06824dbc35baf12a46211d4b617 100644
--- a/app/models/university/person.rb
+++ b/app/models/university/person.rb
@@ -237,8 +237,4 @@ class University::Person < ApplicationRecord
   def prepare_name
     self.name = to_s
   end
-
-  def permalink_config_key
-    :persons
-  end
 end