diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 919cb02439..4a90dba13a 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -11,7 +11,6 @@
 # AllowedMethods: enums
 Lint/ConstantDefinitionInBlock:
   Exclude:
-    - 'spec/lib/reports/line_items_spec.rb'
     - 'spec/models/spree/ability_spec.rb'
     - 'spec/models/spree/gateway_spec.rb'
     - 'spec/models/spree/preferences/configuration_spec.rb'
diff --git a/spec/lib/reports/line_items_spec.rb b/spec/lib/reports/line_items_spec.rb
index 0e266352c1..8e04eb714f 100644
--- a/spec/lib/reports/line_items_spec.rb
+++ b/spec/lib/reports/line_items_spec.rb
@@ -3,35 +3,37 @@
 require 'spec_helper'
 
 describe Reporting::LineItems do
-  subject(:reports_line_items) { described_class.new(order_permissions, params) }
-
   # This object lets us add some test coverage despite the very deep coupling between the class
   # under test and the various objects it depends on. Other more common moking strategies where very
   # hard.
-  class FakeOrderPermissions
-    def initialize(line_items, orders_relation)
-      @relations = Spree::LineItem.where(id: line_items.map(&:id))
-      @orders_relation = orders_relation
+  let(:fake_order_permissions) do
+    Class.new do
+      def initialize(line_items, orders_relation)
+        @relations = Spree::LineItem.where(id: line_items.map(&:id))
+        @orders_relation = orders_relation
+      end
+
+      def visible_line_items
+        relations
+      end
+
+      def editable_line_items
+        line_item = FactoryBot.create(:line_item)
+        Spree::LineItem.where(id: line_item.id)
+      end
+
+      def visible_orders
+        orders_relation
+      end
+
+      private
+
+      attr_reader :relations, :orders_relation
     end
-
-    def visible_line_items
-      relations
-    end
-
-    def editable_line_items
-      line_item = FactoryBot.create(:line_item)
-      Spree::LineItem.where(id: line_item.id)
-    end
-
-    def visible_orders
-      orders_relation
-    end
-
-    private
-
-    attr_reader :relations, :orders_relation
   end
 
+  subject(:reports_line_items) { described_class.new(order_permissions, params) }
+
   describe '#list' do
     let!(:order) do
       create(
@@ -44,7 +46,7 @@ describe Reporting::LineItems do
     let!(:line_item1) { create(:line_item, order:) }
 
     let(:orders_relation) { Spree::Order.where(id: order.id) }
-    let(:order_permissions) { FakeOrderPermissions.new([line_item1], orders_relation) }
+    let(:order_permissions) { fake_order_permissions.new([line_item1], orders_relation) }
     let(:params) { {} }
 
     it 'returns masked data' do
@@ -58,7 +60,7 @@ describe Reporting::LineItems do
       let!(:line_item2) { create(:line_item, order:) }
       let!(:line_item3) { create(:line_item, order:) }
       let(:order_permissions) do
-        FakeOrderPermissions.new([line_item1, line_item2, line_item3], orders_relation)
+        fake_order_permissions.new([line_item1, line_item2, line_item3], orders_relation)
       end
       let(:params) { { variant_id_in: [line_item3.variant.id, line_item1.variant.id] } }