diff --git a/lib/ioki/model/passenger/product.rb b/lib/ioki/model/passenger/product.rb
index 85aa1a10..ff71f529 100644
--- a/lib/ioki/model/passenger/product.rb
+++ b/lib/ioki/model/passenger/product.rb
@@ -20,7 +20,6 @@ class Product < Base
         attribute :description, on: :read, type: :string
         attribute :fixed_stations, on: :read, type: :array, class_name: 'Station'
         attribute :payment_method_allowed_on_booking, on: :read, type: :boolean
-        attribute :payment_method_required_on_booking, on: :read, type: :boolean
         attribute :personal_discount_types, on: :read, type: :array, class_name: 'PersonalDiscountType'
         attribute :phone_number, on: :read, type: :string
         attribute :prebookable, on: :read, type: :boolean
diff --git a/lib/ioki/model/platform/product.rb b/lib/ioki/model/platform/product.rb
index ee0efda6..73bb593a 100644
--- a/lib/ioki/model/platform/product.rb
+++ b/lib/ioki/model/platform/product.rb
@@ -19,7 +19,6 @@ class Product < Base
         attribute :help_url, on: :read, type: :string
         attribute :name, on: :read, type: :string
         attribute :payment_method_allowed_on_booking, on: :read, type: :boolean
-        attribute :payment_method_required_on_booking, on: :read, type: :boolean
         attribute :prebookable, on: :read, type: :boolean
         attribute :ride_options, on: :read, type: :object, class_name: 'RideOptions'
         attribute :ride_rating_criteria, on: :read, type: :array