diff --git a/app/controllers/characters_controller.rb b/app/controllers/characters_controller.rb
index 2c1bce27..15e05192 100644
--- a/app/controllers/characters_controller.rb
+++ b/app/controllers/characters_controller.rb
@@ -16,6 +16,7 @@ class CharactersController < ContentController
       :mannerisms, :birthday, :birthplace, :education, :background,
       :fave_color, :fave_food, :fave_possession, :fave_weapon, :fave_animal,
       :father, :mother, :spouse, :siblings, :archenemy, :notes, :private_notes
+      # TODO: remove :siblings if needed / nested attributes
     ]
   end
 end
diff --git a/app/models/character.rb b/app/models/character.rb
index d24046aa..a62aeed1 100644
--- a/app/models/character.rb
+++ b/app/models/character.rb
@@ -52,6 +52,7 @@ class Character < ActiveRecord::Base
       relations: {
         icon: 'face',
         attributes: %w(mother father spouse siblings archenemy)
+        # TODO: recognize siblings is association
       },
       notes: {
         icon: 'edit',
diff --git a/db/schema.rb b/db/schema.rb
index 44a76517..afc8662f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -47,7 +47,6 @@ ActiveRecord::Schema.define(version: 20160405035806) do
     t.text     "father"
     t.text     "mother"
     t.text     "spouse"
-    t.text     "siblings"
     t.text     "archenemy"
     t.text     "notes"
     t.text     "private_notes"