config/initializers/rails_admin.rb

@@ -46,7 +46,7 @@ RailsAdmin.config do |config|

                 
              

                   #  ==> Included models
              

                   # Add all excluded models here:
              

                -  # config.excluded_models = [User]
              

                +  config.excluded_models = [Contact]
              

                 
              

                   # Add models here if you want to go 'whitelist mode':
              

                   # config.included_models = [User]