diff --git a/changelogs/unreleased/283938_cascade_delete_inheriting_services.yml b/changelogs/unreleased/283938_cascade_delete_inheriting_services.yml
new file mode 100644
index 00000000000..25989863327
--- /dev/null
+++ b/changelogs/unreleased/283938_cascade_delete_inheriting_services.yml
@@ -0,0 +1,5 @@
+---
+title: Change services.inherit_from_id foreign key to ON DELETE CASCADE
+merge_request: 48163
+author:
+type: fixed
diff --git a/db/migrate/20201119162801_change_services_inherit_from_id_foreign_key.rb b/db/migrate/20201119162801_change_services_inherit_from_id_foreign_key.rb
new file mode 100644
index 00000000000..a7f12fcf726
--- /dev/null
+++ b/db/migrate/20201119162801_change_services_inherit_from_id_foreign_key.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class ChangeServicesInheritFromIdForeignKey < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :services, :services, column: :inherit_from_id, on_delete: :cascade, name: 'fk_services_inherit_from_id'
+    remove_foreign_key_if_exists :services, name: 'fk_868a8e7ad6'
+  end
+
+  def down
+    remove_foreign_key_if_exists :services, name: 'fk_services_inherit_from_id'
+    add_concurrent_foreign_key :services, :services, column: :inherit_from_id, on_delete: :nullify, name: 'fk_868a8e7ad6'
+  end
+end
diff --git a/db/schema_migrations/20201119162801 b/db/schema_migrations/20201119162801
new file mode 100644
index 00000000000..b6aa67ad5f6
--- /dev/null
+++ b/db/schema_migrations/20201119162801
@@ -0,0 +1 @@
+c41f4649540c23d25f0ae26c3754476409b5e77f53b96db65f2c1fd4a6caf087
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 3be04c5f68d..2559cecd6db 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -23112,9 +23112,6 @@ ALTER TABLE ONLY merge_request_diffs
 ALTER TABLE ONLY ci_pipelines
     ADD CONSTRAINT fk_86635dbd80 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
 
-ALTER TABLE ONLY services
-    ADD CONSTRAINT fk_868a8e7ad6 FOREIGN KEY (inherit_from_id) REFERENCES services(id) ON DELETE SET NULL;
-
 ALTER TABLE ONLY geo_event_log
     ADD CONSTRAINT fk_86c84214ec FOREIGN KEY (repository_renamed_event_id) REFERENCES geo_repository_renamed_events(id) ON DELETE CASCADE;
 
@@ -24780,6 +24777,9 @@ ALTER TABLE ONLY resource_label_events
 ALTER TABLE ONLY ci_builds_metadata
     ADD CONSTRAINT fk_rails_ffcf702a02 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY services
+    ADD CONSTRAINT fk_services_inherit_from_id FOREIGN KEY (inherit_from_id) REFERENCES services(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY timelogs
     ADD CONSTRAINT fk_timelogs_issues_issue_id FOREIGN KEY (issue_id) REFERENCES issues(id) ON DELETE CASCADE;
 
diff --git a/spec/lib/gitlab/data_builder/pipeline_spec.rb b/spec/lib/gitlab/data_builder/pipeline_spec.rb
index 4e0cc8a1fa9..e5dfff33a2a 100644
--- a/spec/lib/gitlab/data_builder/pipeline_spec.rb
+++ b/spec/lib/gitlab/data_builder/pipeline_spec.rb
@@ -21,9 +21,10 @@ RSpec.describe Gitlab::DataBuilder::Pipeline do
     let(:data) { described_class.build(pipeline) }
     let(:attributes) { data[:object_attributes] }
     let(:build_data) { data[:builds].first }
+    let(:runner_data) { build_data[:runner] }
     let(:project_data) { data[:project] }
 
-    it 'has correct attributes' do
+    it 'has correct attributes', :aggregate_failures do
       expect(attributes).to be_a(Hash)
       expect(attributes[:ref]).to eq(pipeline.ref)
       expect(attributes[:sha]).to eq(pipeline.sha)
@@ -36,6 +37,7 @@ RSpec.describe Gitlab::DataBuilder::Pipeline do
       expect(build_data[:id]).to eq(build.id)
       expect(build_data[:status]).to eq(build.status)
       expect(build_data[:allow_failure]).to eq(build.allow_failure)
+      expect(runner_data).to eq(nil)
       expect(project_data).to eq(project.hook_attrs(backward: false))
       expect(data[:merge_request]).to be_nil
       expect(data[:user]).to eq({
@@ -46,6 +48,18 @@ RSpec.describe Gitlab::DataBuilder::Pipeline do
         })
     end
 
+    context 'build with runner' do
+      let!(:build) { create(:ci_build, pipeline: pipeline, runner: ci_runner) }
+      let(:ci_runner) { create(:ci_runner) }
+
+      it 'has runner attributes', :aggregate_failures do
+        expect(runner_data[:id]).to eq(ci_runner.id)
+        expect(runner_data[:description]).to eq(ci_runner.description)
+        expect(runner_data[:active]).to eq(ci_runner.active)
+        expect(runner_data[:is_shared]).to eq(ci_runner.instance_type?)
+      end
+    end
+
     context 'pipeline without variables' do
       it 'has empty variables hash' do
         expect(attributes[:variables]).to be_a(Array)