diff --git a/app/models/concerns/viewable_model.rb b/app/models/concerns/viewable_model.rb
index bfbb3afc0..731d7783c 100644
--- a/app/models/concerns/viewable_model.rb
+++ b/app/models/concerns/viewable_model.rb
@@ -15,11 +15,10 @@ module ViewableModel
     raise NotImplementedError, 'default_view_state should be implemented!'
   end
 
-  def validate_view_state(view_state)
+  def validate_view_state(_view_state)
     raise NotImplementedError, 'validate_view_state(view_state) should be implemented!'
   end
 
-
   def current_view_state(user)
     state = view_states.where(user: user).take
     state || view_states.create!(user: user, state: default_view_state)