diff --git a/app/services/ci/retry_build_service.rb b/app/services/ci/retry_build_service.rb
index 001a3e1214a..ae9ddc35446 100644
--- a/app/services/ci/retry_build_service.rb
+++ b/app/services/ci/retry_build_service.rb
@@ -3,19 +3,7 @@ module Ci
     CLONE_ACCESSORS = %i[pipeline project ref tag options commands name
                          allow_failure stage stage_idx trigger_request
                          yaml_variables when environment coverage_regex
-                         description tag_list].freeze
-
-    REJECT_ACCESSORS = %i[id status user token coverage trace runner
-                          artifacts_expire_at artifacts_file
-                          artifacts_metadata artifacts_size
-                          created_at updated_at started_at finished_at
-                          queued_at erased_by erased_at].freeze
-
-    IGNORE_ACCESSORS = %i[type lock_version target_url gl_project_id
-                          deploy job_id base_tags commit_id deployments
-                          erased_by_id last_deployment project_id runner_id
-                          tag_taggings taggings tags trigger_request_id
-                          user_id].freeze
+                        description tag_list].freeze
 
     def execute(build)
       reprocess(build).tap do |new_build|
diff --git a/spec/services/ci/retry_build_service_spec.rb b/spec/services/ci/retry_build_service_spec.rb
index bcd89544647..65af4e13118 100644
--- a/spec/services/ci/retry_build_service_spec.rb
+++ b/spec/services/ci/retry_build_service_spec.rb
@@ -10,6 +10,20 @@ describe Ci::RetryBuildService, :services do
     described_class.new(project, user)
   end
 
+  CLONE_ACCESSORS = described_class::CLONE_ACCESSORS
+
+  REJECT_ACCESSORS =
+    %i[id status user token coverage trace runner artifacts_expire_at
+       artifacts_file artifacts_metadata artifacts_size created_at
+       updated_at started_at finished_at queued_at erased_by
+       erased_at].freeze
+
+  IGNORE_ACCESSORS =
+    %i[type lock_version target_url gl_project_id deploy job_id base_tags
+       commit_id deployments erased_by_id last_deployment project_id
+       runner_id tag_taggings taggings tags trigger_request_id
+       user_id].freeze
+
   shared_examples 'build duplication' do
     let(:build) do
       create(:ci_build, :failed, :artifacts_expired, :erased,
@@ -18,8 +32,8 @@ describe Ci::RetryBuildService, :services do
              description: 'some build', pipeline: pipeline)
     end
 
-    describe 'clone attributes' do
-      described_class::CLONE_ACCESSORS.each do |attribute|
+    describe 'clone accessors' do
+      CLONE_ACCESSORS.each do |attribute|
         it "clones #{attribute} build attribute" do
           expect(new_build.send(attribute)).to be_present
           expect(new_build.send(attribute)).to eq build.send(attribute)
@@ -27,8 +41,8 @@ describe Ci::RetryBuildService, :services do
       end
     end
 
-    describe 'reject attributes' do
-      described_class::REJECT_ACCESSORS.each do |attribute|
+    describe 'reject acessors' do
+      REJECT_ACCESSORS.each do |attribute|
         it "does not clone #{attribute} build attribute" do
           expect(new_build.send(attribute)).not_to eq build.send(attribute)
         end
@@ -36,18 +50,15 @@ describe Ci::RetryBuildService, :services do
     end
 
     it 'has correct number of known attributes' do
-      known_accessors =
-        described_class::CLONE_ACCESSORS +
-        described_class::IGNORE_ACCESSORS +
-        described_class::REJECT_ACCESSORS
+      known_accessors = CLONE_ACCESSORS + REJECT_ACCESSORS + IGNORE_ACCESSORS
 
       # :tag_list is a special case, this accessor does not exist
       # in reflected associations, comes from `act_as_taggable` and
       # we use it to copy tags, instead of reusing tags.
       #
       current_accessors =
-        build.attribute_names.map.map(&:to_sym) +
-        build._reflections.map { |assoc| assoc.first.to_sym } +
+        Ci::Build.attribute_names.map(&:to_sym) +
+        Ci::Build.reflect_on_all_associations.map(&:name) +
         [:tag_list]
 
       current_accessors.uniq!