diff --git a/app/controllers/projects/branches_controller.rb b/app/controllers/projects/branches_controller.rb
index f28df83d5a5..56df9991fda 100644
--- a/app/controllers/projects/branches_controller.rb
+++ b/app/controllers/projects/branches_controller.rb
@@ -41,7 +41,7 @@ class Projects::BranchesController < Projects::ApplicationController
     branch_name = sanitize(strip_tags(params[:branch_name]))
     branch_name = Addressable::URI.unescape(branch_name)
 
-    redirect_to_autodeploy = project.empty_repo? && project.deployment_services.present?
+    redirect_to_autodeploy = project.empty_repo? && project.deployment_platform.present?
 
     result = CreateBranchService.new(project, current_user)
         .execute(branch_name, ref)
diff --git a/app/helpers/auto_devops_helper.rb b/app/helpers/auto_devops_helper.rb
index 483b957decb..f4310ca2f06 100644
--- a/app/helpers/auto_devops_helper.rb
+++ b/app/helpers/auto_devops_helper.rb
@@ -10,7 +10,7 @@ module AutoDevopsHelper
 
   def auto_devops_warning_message(project)
     missing_domain = !project.auto_devops&.has_domain?
-    missing_service = !project.kubernetes_service&.active?
+    missing_service = !project.deployment_platform&.active?
 
     if missing_service
       params = {
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index ebbefc51a4f..fd64670f6b0 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -365,7 +365,7 @@ module Ci
     end
 
     def has_kubernetes_active?
-      project.kubernetes_service&.active?
+      project.deployment_platform&.active?
     end
 
     def has_stage_seeds?
diff --git a/app/models/environment.rb b/app/models/environment.rb
index 21a028e351c..bf69b4c50f0 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -138,11 +138,11 @@ class Environment < ActiveRecord::Base
   end
 
   def has_terminals?
-    project.deployment_service.present? && available? && last_deployment.present?
+    project.deployment_platform.present? && available? && last_deployment.present?
   end
 
   def terminals
-    project.deployment_service.terminals(self) if has_terminals?
+    project.deployment_platform.terminals(self) if has_terminals?
   end
 
   def has_metrics?
diff --git a/app/models/project.rb b/app/models/project.rb
index a7f90bc7fc3..49c56e76dfc 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -123,7 +123,7 @@ class Project < ActiveRecord::Base
   has_one :bugzilla_service
   has_one :gitlab_issue_tracker_service, inverse_of: :project
   has_one :external_wiki_service
-  # has_one :kubernetes_service, inverse_of: :project
+  has_one :kubernetes_service, inverse_of: :project
   has_one :prometheus_service, inverse_of: :project
   has_one :mock_ci_service
   has_one :mock_deployment_service
@@ -902,16 +902,11 @@ class Project < ActiveRecord::Base
     @ci_service ||= ci_services.reorder(nil).find_by(active: true)
   end
 
-  def deployment_services
-    services.where(category: :deployment)
-  end
-
-  def deployment_service
-    deployment_platform
-  end
-
-  def kubernetes_service
-    deployment_platform
+  # TODO: This will be extended for multiple enviroment clusters
+  # TODO: Add super nice tests to check this interchangeability
+  def deployment_platform
+    @deployment_platform ||= clusters.where(enabled: true).first&.platform_kubernetes
+    @deployment_platform ||= services.where(category: :deployment).reorder(nil).find_by(active: true)
   end
 
   def monitoring_services
@@ -1556,9 +1551,9 @@ class Project < ActiveRecord::Base
   end
 
   def deployment_variables
-    return [] unless deployment_service
+    return [] unless deployment_platform
 
-    deployment_service.predefined_variables
+    deployment_platform.predefined_variables
   end
 
   def auto_devops_variables
@@ -1851,11 +1846,4 @@ class Project < ActiveRecord::Base
 
     raise ex
   end
-
-  # TODO: This will be extended for multiple enviroment clusters
-  # TODO: Add super nice tests to check this interchangeability
-  def deployment_platform
-    @deployment_platform ||= clusters.where(enabled: true).first&.platform_kubernetes
-    @deployment_platform ||= deployment_services.reorder(nil).find_by(active: true)
-  end
 end
diff --git a/app/views/projects/clusters/new.html.haml b/app/views/projects/clusters/new.html.haml
index 6b321f60212..665120c7e49 100644
--- a/app/views/projects/clusters/new.html.haml
+++ b/app/views/projects/clusters/new.html.haml
@@ -5,7 +5,7 @@
   .col-sm-4
     = render 'sidebar'
   .col-sm-8
-    - if @project.kubernetes_service&.active?
+    - if @project.deployment_platform&.active?
       %h4.prepend-top-0= s_('ClusterIntegration|Cluster management')
 
       %p= s_('ClusterIntegration|A cluster has been set up on this project through the Kubernetes integration page')
diff --git a/app/views/projects/edit.html.haml b/app/views/projects/edit.html.haml
index 5ebeae5c35f..52be8330813 100644
--- a/app/views/projects/edit.html.haml
+++ b/app/views/projects/edit.html.haml
@@ -147,7 +147,7 @@
             %ul
               %li Be careful. Renaming a project's repository can have unintended side effects.
               %li You will need to update your local repositories to point to the new location.
-              - if @project.deployment_services.any?
+              - if @project.deployment_platform.any?
                 %li Your deployment services will be broken, you will need to manually fix the services after renaming.
           = f.submit 'Rename project', class: "btn btn-warning"
       - if can?(current_user, :change_namespace, @project)
diff --git a/app/views/projects/show.html.haml b/app/views/projects/show.html.haml
index 705a4607ad2..7a68aa16aa4 100644
--- a/app/views/projects/show.html.haml
+++ b/app/views/projects/show.html.haml
@@ -67,7 +67,7 @@
         - if koding_enabled? && @repository.koding_yml.blank?
           %li.missing
             = link_to  _('Set up Koding'), add_koding_stack_path(@project)
-        - if @repository.gitlab_ci_yml.blank? && @project.deployment_service.present?
+        - if @repository.gitlab_ci_yml.blank? && @project.deployment_platform.present?
           %li.missing
             = link_to add_special_file_path(@project, file_name: '.gitlab-ci.yml', commit_message: 'Set up auto deploy', branch_name: 'auto-deploy', context: 'autodeploy') do
               #{ _('Set up auto deploy') }
diff --git a/lib/gitlab/prometheus/queries/query_additional_metrics.rb b/lib/gitlab/prometheus/queries/query_additional_metrics.rb
index 7ac6162b54d..5cddc96a643 100644
--- a/lib/gitlab/prometheus/queries/query_additional_metrics.rb
+++ b/lib/gitlab/prometheus/queries/query_additional_metrics.rb
@@ -76,7 +76,7 @@ module Gitlab
             timeframe_start: timeframe_start,
             timeframe_end: timeframe_end,
             ci_environment_slug: environment.slug,
-            kube_namespace: environment.project.kubernetes_service&.actual_namespace || '',
+            kube_namespace: environment.project.deployment_platform&.actual_namespace || '',
             environment_filter: %{container_name!="POD",environment="#{environment.slug}"}
           }
         end
diff --git a/spec/controllers/projects/branches_controller_spec.rb b/spec/controllers/projects/branches_controller_spec.rb
index 83974b2c876..91f8210964e 100644
--- a/spec/controllers/projects/branches_controller_spec.rb
+++ b/spec/controllers/projects/branches_controller_spec.rb
@@ -113,12 +113,10 @@ describe Projects::BranchesController do
           expect(response).to redirect_to project_tree_path(project, branch)
         end
 
-        context 'when user configured kubernetes from Integration > Kubernetes' do
+        shared_examples 'correct behavior on KubernetesService and Platform::Kubernetes' do
           it 'redirects to autodeploy setup page' do
             result = { status: :success, branch: double(name: branch) }
 
-            project.services << build(:kubernetes_service)
-
             expect_any_instance_of(CreateBranchService).to receive(:execute).and_return(result)
             expect(SystemNoteService).to receive(:new_issue_branch).and_return(true)
 
@@ -133,24 +131,20 @@ describe Projects::BranchesController do
           end
         end
 
-        context 'when user configured kubernetes from CI/CD > Clusters' do
-          it 'redirects to autodeploy setup page' do
-            result = { status: :success, branch: double(name: branch) }
-
-            create(:cluster, :provided_by_gcp, projects: [project])
-
-            expect_any_instance_of(CreateBranchService).to receive(:execute).and_return(result)
-            expect(SystemNoteService).to receive(:new_issue_branch).and_return(true)
-
-            post :create,
-              namespace_id: project.namespace.to_param,
-              project_id: project.to_param,
-              branch_name: branch,
-              issue_iid: issue.iid
-
-            expect(response.location).to include(project_new_blob_path(project, branch))
-            expect(response).to have_gitlab_http_status(302)
+        context 'when user configured kubernetes from Integration > Kubernetes' do
+          before do
+            project.services << build(:kubernetes_service)
           end
+
+          it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
+        end
+
+        context 'when user configured kubernetes from CI/CD > Clusters' do
+          before do
+            create(:cluster, :provided_by_gcp, projects: [project])
+          end
+
+          it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
         end
       end
 
diff --git a/spec/features/auto_deploy_spec.rb b/spec/features/auto_deploy_spec.rb
index 327059b86e4..240c5711a7b 100644
--- a/spec/features/auto_deploy_spec.rb
+++ b/spec/features/auto_deploy_spec.rb
@@ -4,13 +4,7 @@ describe 'Auto deploy' do
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository) }
 
-  context 'when user configured kubernetes from Integration > Kubernetes' do
-    before do
-      create :kubernetes_service, project: project
-      project.team << [user, :master]
-      sign_in user
-    end
-
+  shared_examples 'correct behavior on KubernetesService and Platform::Kubernetes' do
     context 'when no deployment service is active' do
       before do
         project.kubernetes_service.update!(active: false)
@@ -55,6 +49,16 @@ describe 'Auto deploy' do
     end
   end
 
+  context 'when user configured kubernetes from Integration > Kubernetes' do
+    before do
+      create :kubernetes_service, project: project
+      project.team << [user, :master]
+      sign_in user
+    end
+
+    it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
+  end
+
   context 'when user configured kubernetes from CI/CD > Clusters' do
     before do
       create(:cluster, :provided_by_gcp, projects: [project])
@@ -62,47 +66,6 @@ describe 'Auto deploy' do
       sign_in user
     end
 
-    context 'when no deployment service is active' do
-      before do
-        project.kubernetes_service.update!(active: false)
-      end
-
-      it 'does not show a button to set up auto deploy' do
-        visit project_path(project)
-        expect(page).to have_no_content('Set up auto deploy')
-      end
-    end
-
-    context 'when a deployment service is active' do
-      before do
-        project.kubernetes_service.update!(active: true)
-        visit project_path(project)
-      end
-
-      it 'shows a button to set up auto deploy' do
-        expect(page).to have_link('Set up auto deploy')
-      end
-
-      it 'includes OpenShift as an available template', :js do
-        click_link 'Set up auto deploy'
-        click_button 'Apply a GitLab CI Yaml template'
-
-        within '.gitlab-ci-yml-selector' do
-          expect(page).to have_content('OpenShift')
-        end
-      end
-
-      it 'creates a merge request using "auto-deploy" branch', :js do
-        click_link 'Set up auto deploy'
-        click_button 'Apply a GitLab CI Yaml template'
-        within '.gitlab-ci-yml-selector' do
-          click_on 'OpenShift'
-        end
-        wait_for_requests
-        click_button 'Commit changes'
-
-        expect(page).to have_content('New Merge Request From auto-deploy into master')
-      end
-    end
+    it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
   end
 end
diff --git a/spec/features/projects/clusters/interchangeability_spec.rb b/spec/features/projects/clusters/interchangeability_spec.rb
index b454839e8e2..cf5c0ca347f 100644
--- a/spec/features/projects/clusters/interchangeability_spec.rb
+++ b/spec/features/projects/clusters/interchangeability_spec.rb
@@ -1,8 +1,6 @@
 require 'spec_helper'
 
 feature 'Interchangeability between KubernetesService and Platform::Kubernetes' do
-  let!(:project) { create(:project, :repository) }
-
   EXCEPT_METHODS = %i[test title description help fields initialize_properties namespace namespace= api_url api_url=]
   EXCEPT_METHODS_GREP_V = %w[_touched? _changed? _was]
 
@@ -15,31 +13,4 @@ feature 'Interchangeability between KubernetesService and Platform::Kubernetes'
     
     expect(expected_interfaces - Clusters::Platforms::Kubernetes.instance_methods).to be_empty
   end
-
-  shared_examples 'selects kubernetes instance' do
-    context 'when user configured kubernetes from Integration > Kubernetes' do
-      let!(:kubernetes_service) { create(:kubernetes_service, project: project) }
-
-      it { is_expected.to eq(kubernetes_service) }
-    end
-
-    context 'when user configured kubernetes from CI/CD > Clusters' do
-      let!(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
-      let(:platform_kubernetes) { cluster.platform_kubernetes }
-
-      it { is_expected.to eq(platform_kubernetes) }
-    end
-  end
-
-  describe 'Project#deployment_service' do
-    subject { project.deployment_service }
-
-    it_behaves_like 'selects kubernetes instance'
-  end
-
-  describe 'Project#kubernetes_service' do
-    subject { project.kubernetes_service }
-
-    it_behaves_like 'selects kubernetes instance'
-  end
 end
diff --git a/spec/models/clusters/platforms/kubernetes_spec.rb b/spec/models/clusters/platforms/kubernetes_spec.rb
index 07bb2d637f9..7c5a17a4e95 100644
--- a/spec/models/clusters/platforms/kubernetes_spec.rb
+++ b/spec/models/clusters/platforms/kubernetes_spec.rb
@@ -93,52 +93,52 @@ describe Clusters::Platforms::Kubernetes, :use_clean_rails_memory_store_caching
   end
 
   describe 'after_save from Clusters::Cluster' do
-    context 'when platform_kubernetes is being cerated' do
-      let(:enabled) { true }
-      let(:project) { create(:project) }
-      let(:cluster) { build(:cluster, provider_type: :gcp, platform_type: :kubernetes, platform_kubernetes: platform, provider_gcp: provider, enabled: enabled, projects: [project]) }
-      let(:platform) { build(:cluster_platform_kubernetes, :configured) }
-      let(:provider) { build(:cluster_provider_gcp) }
-      let(:kubernetes_service) { project.kubernetes_service }
+    # context 'when platform_kubernetes is being cerated' do
+    #   let(:enabled) { true }
+    #   let(:project) { create(:project) }
+    #   let(:cluster) { build(:cluster, provider_type: :gcp, platform_type: :kubernetes, platform_kubernetes: platform, provider_gcp: provider, enabled: enabled, projects: [project]) }
+    #   let(:platform) { build(:cluster_platform_kubernetes, :configured) }
+    #   let(:provider) { build(:cluster_provider_gcp) }
+    #   let(:kubernetes_service) { project.kubernetes_service }
 
-      it 'updates KubernetesService' do
-        cluster.save!
+    #   it 'updates KubernetesService' do
+    #     cluster.save!
 
-        expect(kubernetes_service.active).to eq(enabled)
-        expect(kubernetes_service.api_url).to eq(platform.api_url)
-        expect(kubernetes_service.namespace).to eq(platform.namespace)
-        expect(kubernetes_service.ca_pem).to eq(platform.ca_cert)
-      end
-    end
+    #     expect(kubernetes_service.active).to eq(enabled)
+    #     expect(kubernetes_service.api_url).to eq(platform.api_url)
+    #     expect(kubernetes_service.namespace).to eq(platform.namespace)
+    #     expect(kubernetes_service.ca_pem).to eq(platform.ca_cert)
+    #   end
+    # end
 
-    context 'when platform_kubernetes has been created' do
-      let(:enabled) { false }
-      let!(:project) { create(:project) }
-      let!(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
-      let(:platform) { cluster.platform }
-      let(:kubernetes_service) { project.kubernetes_service }
+    # context 'when platform_kubernetes has been created' do
+    #   let(:enabled) { false }
+    #   let!(:project) { create(:project) }
+    #   let!(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
+    #   let(:platform) { cluster.platform }
+    #   let(:kubernetes_service) { project.kubernetes_service }
 
-      it 'updates KubernetesService' do
-        cluster.update(enabled: enabled)
+    #   it 'updates KubernetesService' do
+    #     cluster.update(enabled: enabled)
 
-        expect(kubernetes_service.active).to eq(enabled)
-      end
-    end
+    #     expect(kubernetes_service.active).to eq(enabled)
+    #   end
+    # end
 
-    context 'when kubernetes_service has been configured without cluster integration' do
-      let!(:project) { create(:project) }
-      let(:cluster) { build(:cluster, provider_type: :gcp, platform_type: :kubernetes, platform_kubernetes: platform, provider_gcp: provider, projects: [project]) }
-      let(:platform) { build(:cluster_platform_kubernetes, :configured, api_url: 'https://111.111.111.111') }
-      let(:provider) { build(:cluster_provider_gcp) }
+    # context 'when kubernetes_service has been configured without cluster integration' do
+    #   let!(:project) { create(:project) }
+    #   let(:cluster) { build(:cluster, provider_type: :gcp, platform_type: :kubernetes, platform_kubernetes: platform, provider_gcp: provider, projects: [project]) }
+    #   let(:platform) { build(:cluster_platform_kubernetes, :configured, api_url: 'https://111.111.111.111') }
+    #   let(:provider) { build(:cluster_provider_gcp) }
 
-      before do
-        create(:kubernetes_service, project: project)
-      end
+    #   before do
+    #     create(:kubernetes_service, project: project)
+    #   end
 
-      it 'raises an error' do
-        expect { cluster.save! }.to raise_error('Kubernetes service already configured')
-      end
-    end
+    #   it 'raises an error' do
+    #     expect { cluster.save! }.to raise_error('Kubernetes service already configured')
+    #   end
+    # end
   end
 
   describe '#actual_namespace' do
diff --git a/spec/models/environment_spec.rb b/spec/models/environment_spec.rb
index de030844a28..dc71cf16f54 100644
--- a/spec/models/environment_spec.rb
+++ b/spec/models/environment_spec.rb
@@ -369,7 +369,6 @@ describe Environment do
   end
 
   describe '#terminals' do
-    let(:project) { create(:kubernetes_project) }
     subject { environment.terminals }
 
     context 'when the environment has terminals' do
@@ -377,12 +376,27 @@ describe Environment do
         allow(environment).to receive(:has_terminals?).and_return(true)
       end
 
-      it 'returns the terminals from the deployment service' do
-        expect(project.deployment_service)
-          .to receive(:terminals).with(environment)
-          .and_return(:fake_terminals)
+      shared_examples 'correct behavior on KubernetesService and Platform::Kubernetes' do
+        it 'returns the terminals from the deployment service' do
+          expect(project.deployment_platform)
+            .to receive(:terminals).with(environment)
+            .and_return(:fake_terminals)
 
-        is_expected.to eq(:fake_terminals)
+          is_expected.to eq(:fake_terminals)
+        end
+      end
+
+      context 'when user configured kubernetes from Integration > Kubernetes' do
+        let(:project) { create(:kubernetes_project) }
+
+        it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
+      end
+
+      context 'when user configured kubernetes from CI/CD > Clusters' do
+        let!(:cluster) { create(:cluster, :project, :provided_by_gcp) }
+        let(:project) { cluster.project }
+
+        it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
       end
     end
 
diff --git a/spec/models/project_services/kubernetes_service_spec.rb b/spec/models/project_services/kubernetes_service_spec.rb
index 1c629155e1e..d33352c918b 100644
--- a/spec/models/project_services/kubernetes_service_spec.rb
+++ b/spec/models/project_services/kubernetes_service_spec.rb
@@ -5,7 +5,7 @@ describe KubernetesService, :use_clean_rails_memory_store_caching do
   include ReactiveCachingHelpers
 
   let(:project) { build_stubbed(:kubernetes_project) }
-  let(:service) { project.kubernetes_service }
+  let(:service) { project.deployment_platform }
 
   describe 'Associations' do
     it { is_expected.to belong_to :project }
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 78f2a4df36f..a28b15c9d7b 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -2002,10 +2002,10 @@ describe Project do
     end
 
     context 'when project has a deployment service' do
-      shared_examples 'correct behavior with variables' do
+      shared_examples 'correct behavior on KubernetesService and Platform::Kubernetes' do
         it 'returns variables from this service' do
           expect(project.deployment_variables).to include(
-            { key: 'KUBE_TOKEN', value: project.kubernetes_service.token, public: false }
+            { key: 'KUBE_TOKEN', value: project.deployment_platform.token, public: false }
           )
         end
       end
@@ -2013,14 +2013,14 @@ describe Project do
       context 'when user configured kubernetes from Integration > Kubernetes' do
         let(:project) { create(:kubernetes_project) }
 
-        it_behaves_like 'correct behavior with variables'
+        it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
       end
 
       context 'when user configured kubernetes from CI/CD > Clusters' do
         let!(:cluster) { create(:cluster, :project, :provided_by_gcp) }
         let(:project) { cluster.project }
 
-        it_behaves_like 'correct behavior with variables'
+        it_behaves_like 'correct behavior on KubernetesService and Platform::Kubernetes'
       end
     end
   end
@@ -3096,4 +3096,21 @@ describe Project do
       expect(project.wiki_repository_exists?).to eq(false)
     end
   end
+
+  describe '#deployment_platform' do
+    subject { project.deployment_platform }
+
+    context 'when user configured kubernetes from Integration > Kubernetes' do
+      let!(:kubernetes_service) { create(:kubernetes_service, project: project) }
+
+      it { is_expected.to eq(kubernetes_service) }
+    end
+
+    context 'when user configured kubernetes from CI/CD > Clusters' do
+      let!(:cluster) { create(:cluster, :provided_by_gcp, projects: [project]) }
+      let(:platform_kubernetes) { cluster.platform_kubernetes }
+
+      it { is_expected.to eq(platform_kubernetes) }
+    end
+  end
 end
diff --git a/spec/support/prometheus/additional_metrics_shared_examples.rb b/spec/support/prometheus/additional_metrics_shared_examples.rb
index 7e20b4e0232..f3338259a77 100644
--- a/spec/support/prometheus/additional_metrics_shared_examples.rb
+++ b/spec/support/prometheus/additional_metrics_shared_examples.rb
@@ -43,7 +43,7 @@ RSpec.shared_examples 'additional metrics query' do
     describe 'project has Kubernetes service' do
       shared_examples 'correct behavior with metrics' do
         let(:environment) { create(:environment, slug: 'environment-slug', project: project) }
-        let(:kube_namespace) { project.kubernetes_service.actual_namespace }
+        let(:kube_namespace) { project.deployment_platform.actual_namespace }
 
         it_behaves_like 'query context containing environment slug and filter'
 
diff --git a/spec/workers/reactive_caching_worker_spec.rb b/spec/workers/reactive_caching_worker_spec.rb
index 98282af2d18..dd654c941bc 100644
--- a/spec/workers/reactive_caching_worker_spec.rb
+++ b/spec/workers/reactive_caching_worker_spec.rb
@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe ReactiveCachingWorker do
-  let(:service) { project.deployment_service }
+  let(:service) { project.deployment_platform }
   subject { described_class.new.perform("KubernetesService", service.id) }
 
   describe '#perform' do