Commiting

app/services/app_sign_up_service.rb

@@ -2,8 +2,6 @@
 
 class AppSignUpService < BaseService
   def call(app, params)
-    return unless allowed_registrations?
-
     user_params    = params.slice(:email, :password, :agreement, :locale)
     account_params = params.slice(:username)
     user           = User.create!(user_params.merge(created_by_application: app, password_confirmation: user_params[:password], account_attributes: account_params))
@@ -14,10 +12,4 @@ class AppSignUpService < BaseService
                                     expires_in: Doorkeeper.configuration.access_token_expires_in,
                                     use_refresh_token: Doorkeeper.configuration.refresh_token_enabled?)
   end
-
-  private
-
-  def allowed_registrations?
-    Setting.registrations_mode != 'none' && !Rails.configuration.x.single_user_mode
-  end
 end