7 files changed, 14 insertions, 2 deletions
diff --git a/app/serializers/commit_entity.rb b/app/serializers/commit_entity.rb
index b3287c66554..ce76659fa46 100644
--- a/app/serializers/commit_entity.rb
+++ b/app/serializers/commit_entity.rb
@@ -6,7 +6,7 @@ class CommitEntity < API::Entities::Commit
   expose :author, using: UserEntity
 
   expose :author_gravatar_url do |commit|
-    GravatarService.new.execute(commit.author_email)
+    GravatarService.new.execute(commit.author_email) # rubocop: disable CodeReuse/ServiceClass
   end
 
   expose :commit_url do |commit|
diff --git a/app/serializers/diffs_entity.rb b/app/serializers/diffs_entity.rb
index f75ace14d9c..878cc5290bd 100644
--- a/app/serializers/diffs_entity.rb
+++ b/app/serializers/diffs_entity.rb
@@ -35,13 +35,17 @@ class DiffsEntity < Grape::Entity
     diffs_project_merge_request_path(merge_request&.project, merge_request)
   end
 
+  # rubocop: disable CodeReuse/ActiveRecord
   expose :added_lines do |diffs|
     diffs.diff_files.sum(&:added_lines)
   end
+  # rubocop: enable CodeReuse/ActiveRecord
 
+  # rubocop: disable CodeReuse/ActiveRecord
   expose :removed_lines do |diffs|
     diffs.diff_files.sum(&:removed_lines)
   end
+  # rubocop: enable CodeReuse/ActiveRecord
 
   expose :render_overflow_warning do |diffs|
     render_overflow_warning?(diffs.diff_files)
diff --git a/app/serializers/environment_serializer.rb b/app/serializers/environment_serializer.rb
index dc1686c30c4..598ce5f9e4f 100644
--- a/app/serializers/environment_serializer.rb
+++ b/app/serializers/environment_serializer.rb
@@ -29,6 +29,7 @@ class EnvironmentSerializer < BaseSerializer
 
   private
 
+  # rubocop: disable CodeReuse/ActiveRecord
   def itemize(resource)
     items = resource.order('folder ASC')
       .group('COALESCE(environment_type, name)')
@@ -46,4 +47,5 @@ class EnvironmentSerializer < BaseSerializer
       Item.new(item.folder, item.size, environments[item.last_id])
     end
   end
+  # rubocop: enable CodeReuse/ActiveRecord
 end
diff --git a/app/serializers/group_child_entity.rb b/app/serializers/group_child_entity.rb
index f6804fe7f6a..20d7032c970 100644
--- a/app/serializers/group_child_entity.rb
+++ b/app/serializers/group_child_entity.rb
@@ -66,11 +66,13 @@ class GroupChildEntity < Grape::Entity
 
   private
 
+  # rubocop: disable CodeReuse/ActiveRecord
   def membership
     return unless request.current_user
 
     @membership ||= request.current_user.members.find_by(source: object)
   end
+  # rubocop: enable CodeReuse/ActiveRecord
 
   def project?
     object.is_a?(Project)
diff --git a/app/serializers/group_entity.rb b/app/serializers/group_entity.rb
index c46c342ee5d..0e1bc9a6b3d 100644
--- a/app/serializers/group_entity.rb
+++ b/app/serializers/group_entity.rb
@@ -17,9 +17,11 @@ class GroupEntity < Grape::Entity
   end
 
   expose :permissions do
+    # rubocop: disable CodeReuse/ActiveRecord
     expose :human_group_access do |group, options|
       group.group_members.find_by(user_id: request.current_user)&.human_access
     end
+    # rubocop: enable CodeReuse/ActiveRecord
   end
 
   expose :edit_path do |group|
diff --git a/app/serializers/merge_request_widget_entity.rb b/app/serializers/merge_request_widget_entity.rb
index f55d448235a..380e8804f51 100644
--- a/app/serializers/merge_request_widget_entity.rb
+++ b/app/serializers/merge_request_widget_entity.rb
@@ -243,7 +243,7 @@ class MergeRequestWidgetEntity < IssuableEntity
 
   def presenter(merge_request)
     @presenters ||= {}
-    @presenters[merge_request] ||= MergeRequestPresenter.new(merge_request, current_user: current_user)
+    @presenters[merge_request] ||= MergeRequestPresenter.new(merge_request, current_user: current_user) # rubocop: disable CodeReuse/Presenter
   end
 
   # Once SchedulePopulateMergeRequestMetricsWithEventsData fully runs,
diff --git a/app/serializers/pipeline_serializer.rb b/app/serializers/pipeline_serializer.rb
index 3205578b83e..4f31af3c46d 100644
--- a/app/serializers/pipeline_serializer.rb
+++ b/app/serializers/pipeline_serializer.rb
@@ -4,6 +4,7 @@ class PipelineSerializer < BaseSerializer
   include WithPagination
   entity PipelineDetailsEntity
 
+  # rubocop: disable CodeReuse/ActiveRecord
   def represent(resource, opts = {})
     if resource.is_a?(ActiveRecord::Relation)
       resource = resource.preload([
@@ -33,6 +34,7 @@ class PipelineSerializer < BaseSerializer
 
     super(resource, opts)
   end
+  # rubocop: enable CodeReuse/ActiveRecord
 
   def represent_status(resource)
     return {} unless resource.present?