diff --git a/core/app/models/spree/order.rb b/core/app/models/spree/order.rb
index 03c0319bf11..350e6568936 100644
--- a/core/app/models/spree/order.rb
+++ b/core/app/models/spree/order.rb
@@ -49,7 +49,7 @@ class CannotRebuildShipments < StandardError; end
     belongs_to :store, class_name: 'Spree::Store'
     has_many :state_changes, as: :stateful
     has_many :line_items, -> { order(:created_at, :id) }, dependent: :destroy, inverse_of: :order
-    has_many :payments, dependent: :destroy
+    has_many :payments, dependent: :destroy, inverse_of: :order
     has_many :return_authorizations, dependent: :destroy, inverse_of: :order
     has_many :reimbursements, inverse_of: :order
     has_many :adjustments, -> { order(:created_at) }, as: :adjustable, inverse_of: :adjustable, dependent: :destroy
diff --git a/core/spec/models/spree/order/payment_spec.rb b/core/spec/models/spree/order/payment_spec.rb
index 190a893dab1..212aeb3cc3a 100644
--- a/core/spec/models/spree/order/payment_spec.rb
+++ b/core/spec/models/spree/order/payment_spec.rb
@@ -69,10 +69,6 @@ module Spree
 
     context "ensure source attributes stick around" do
       # For the reason of this test, please see spree/spree_gateway#132
-      it "does not have inverse_of defined" do
-        expect(Spree::Order.reflections['payments'].options[:inverse_of]).to be_nil
-      end
-
       it "keeps source attributes after updating" do
         persisted_order = Spree::Order.create
         credit_card_payment_method = create(:credit_card_payment_method)