Remove feature_flags_new_version feature flag

This commit removes the feature flag

app/assets/javascripts/feature_flags/components/edit_feature_flag.vue

@@ -58,7 +58,7 @@ export default {
         : sprintf(s__('Edit %{name}'), { name: this.name });
     },
     deprecated() {
-      return this.hasNewVersionFlags && this.version === LEGACY_FLAG;
+      return this.version === LEGACY_FLAG;
     },
     deprecatedAndEditable() {
       return this.deprecated && !this.hasLegacyReadOnlyFlags;
@@ -66,18 +66,12 @@ export default {
     deprecatedAndReadOnly() {
       return this.deprecated && this.hasLegacyReadOnlyFlags;
     },
-    hasNewVersionFlags() {
-      return this.glFeatures.featureFlagsNewVersion;
-    },
     hasLegacyReadOnlyFlags() {
       return (
         this.glFeatures.featureFlagsLegacyReadOnly &&
         !this.glFeatures.featureFlagsLegacyReadOnlyOverride
       );
     },
-    shouldShowNewFlagAlert() {
-      return !this.hasNewVersionFlags && this.userShouldSeeNewFlagAlert;
-    },
   },
   created() {
     return this.fetchFeatureFlag();
@@ -95,14 +89,6 @@ export default {
 </script>
 <template>
   <div>
-    <gl-alert
-      v-if="shouldShowNewFlagAlert"
-      variant="warning"
-      class="gl-my-5"
-      @dismiss="dismissNewVersionFlagAlert"
-    >
-      {{ $options.translations.newFlagAlert }}
-    </gl-alert>
     <gl-loading-icon v-if="isLoading" size="xl" class="gl-mt-7" />
 
     <template v-else-if="!isLoading && !hasError">

app/assets/javascripts/feature_flags/components/feature_flags_table.vue

@@ -38,9 +38,6 @@ export default {
     permissions() {
       return this.glFeatures.featureFlagPermissions;
     },
-    isNewVersionFlagsEnabled() {
-      return this.glFeatures.featureFlagsNewVersion;
-    },
     isLegacyReadOnlyFlagsEnabled() {
       return (
         this.glFeatures.featureFlagsLegacyReadOnly &&
@@ -68,7 +65,7 @@ export default {
   },
   methods: {
     isLegacyFlag(flag) {
-      return !this.isNewVersionFlagsEnabled || flag.version !== NEW_VERSION_FLAG;
+      return flag.version !== NEW_VERSION_FLAG;
     },
     statusToggleDisabled(flag) {
       return this.isLegacyReadOnlyFlagsEnabled && flag.version === LEGACY_FLAG;

app/assets/javascripts/feature_flags/components/form.vue

@@ -137,14 +137,13 @@ export default {
       return this.glFeatures.featureFlagPermissions;
     },
     supportsStrategies() {
-      return this.glFeatures.featureFlagsNewVersion && this.version === NEW_VERSION_FLAG;
+      return this.version === NEW_VERSION_FLAG;
     },
     showRelatedIssues() {
       return this.featureFlagIssuesEndpoint.length > 0;
     },
     readOnly() {
       return (
-        this.glFeatures.featureFlagsNewVersion &&
         this.glFeatures.featureFlagsLegacyReadOnly &&
         !this.glFeatures.featureFlagsLegacyReadOnlyOverride &&
         this.version === LEGACY_FLAG

app/assets/javascripts/feature_flags/components/new_feature_flag.vue

 <script>
 import { mapState, mapActions } from 'vuex';
-import { GlAlert } from '@gitlab/ui';
 import axios from '~/lib/utils/axios_utils';
 import FeatureFlagForm from './form.vue';
-import {
-  LEGACY_FLAG,
-  NEW_VERSION_FLAG,
-  NEW_FLAG_ALERT,
-  ROLLOUT_STRATEGY_ALL_USERS,
-} from '../constants';
+import { NEW_VERSION_FLAG, NEW_FLAG_ALERT, ROLLOUT_STRATEGY_ALL_USERS } from '../constants';
 import { createNewEnvironmentScope } from '../store/helpers';
 
 import featureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
 
 export default {
   components: {
-    GlAlert,
     FeatureFlagForm,
   },
   mixins: [featureFlagsMixin()],
@@ -50,13 +43,7 @@ export default {
       ];
     },
     version() {
-      return this.hasNewVersionFlags ? NEW_VERSION_FLAG : LEGACY_FLAG;
-    },
-    hasNewVersionFlags() {
-      return this.glFeatures.featureFlagsNewVersion;
-    },
-    shouldShowNewFlagAlert() {
-      return !this.hasNewVersionFlags && this.userShouldSeeNewFlagAlert;
+      return NEW_VERSION_FLAG;
     },
     strategies() {
       return [{ name: ROLLOUT_STRATEGY_ALL_USERS, parameters: {}, scopes: [] }];
@@ -75,14 +62,6 @@ export default {
 </script>
 <template>
   <div>
-    <gl-alert
-      v-if="shouldShowNewFlagAlert"
-      variant="warning"
-      class="gl-my-5"
-      @dismiss="dismissNewVersionFlagAlert"
-    >
-      {{ $options.translations.newFlagAlert }}
-    </gl-alert>
     <h3 class="page-title">{{ s__('FeatureFlags|New feature flag') }}</h3>
 
     <div v-if="error.length" class="alert alert-danger">

app/controllers/projects/feature_flags_controller.rb

@@ -14,7 +14,6 @@ class Projects::FeatureFlagsController < Projects::ApplicationController
 
   before_action do
     push_frontend_feature_flag(:feature_flag_permissions)
-    push_frontend_feature_flag(:feature_flags_new_version, project, default_enabled: true)
     push_frontend_feature_flag(:feature_flags_legacy_read_only, project, default_enabled: true)
     push_frontend_feature_flag(:feature_flags_legacy_read_only_override, project)
   end
@@ -101,15 +100,7 @@ class Projects::FeatureFlagsController < Projects::ApplicationController
   protected
 
   def feature_flag
-    @feature_flag ||= @noteable = if new_version_feature_flags_enabled?
-                                    project.operations_feature_flags.find_by_iid!(params[:iid])
-                                  else
-                                    project.operations_feature_flags.legacy_flag.find_by_iid!(params[:iid])
-                                  end
-  end
-
-  def new_version_feature_flags_enabled?
-    ::Feature.enabled?(:feature_flags_new_version, project, default_enabled: true)
+    @feature_flag ||= @noteable = project.operations_feature_flags.find_by_iid!(params[:iid])
   end
 
   def ensure_legacy_flags_writable!

app/finders/feature_flags_finder.rb

@@ -24,11 +24,7 @@ class FeatureFlagsFinder
   private
 
   def feature_flags
-    if Feature.enabled?(:feature_flags_new_version, project, default_enabled: true)
-      project.operations_feature_flags
-    else
-      project.operations_feature_flags.legacy_flag
-    end
+    project.operations_feature_flags
   end
 
   def by_scope(items)

app/services/feature_flags/create_service.rb

@@ -5,7 +5,6 @@ module FeatureFlags
     def execute
       return error('Access Denied', 403) unless can_create?
       return error('Version is invalid', :bad_request) unless valid_version?
-      return error('New version feature flags are not enabled for this project', :bad_request) unless flag_version_enabled?
 
       ActiveRecord::Base.transaction do
         feature_flag = project.operations_feature_flags.new(params)
@@ -40,13 +39,5 @@ module FeatureFlags
     def valid_version?
       !params.key?(:version) || Operations::FeatureFlag.versions.key?(params[:version])
     end
-
-    def flag_version_enabled?
-      params[:version] != 'new_version_flag' || new_version_feature_flags_enabled?
-    end
-
-    def new_version_feature_flags_enabled?
-      ::Feature.enabled?(:feature_flags_new_version, project, default_enabled: true)
-    end
   end
 end

config/feature_flags/development/feature_flags_new_version.yml

----
-name: feature_flags_new_version
-introduced_by_url: 
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/258831
-milestone: '13.7'
-type: development
-group: group::progressive delivery
-default_enabled: true

doc/api/feature_flags.md

@@ -10,10 +10,6 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 > - [Moved](https://gitlab.com/gitlab-org/gitlab/-/issues/212318) to [GitLab Starter](https://about.gitlab.com/pricing/) in 13.4.
 > - [Moved](https://gitlab.com/gitlab-org/gitlab/-/issues/212318) to [GitLab Core](https://about.gitlab.com/pricing/) in 13.5.
 
-NOTE: **Note:**
-This API is behind a [feature flag](../operations/feature_flags.md#enable-or-disable-feature-flag-strategies).
-If this flag is not enabled in your environment, you can use the [legacy feature flags API](feature_flags_legacy.md).
-
 API for accessing resources of [GitLab Feature Flags](../operations/feature_flags.md).
 
 Users with Developer or higher [permissions](../user/permissions.md) can access Feature Flag API.

doc/operations/feature_flags.md

@@ -77,7 +77,6 @@ is 200. On GitLab.com, the maximum number is determined by [GitLab.com tier](htt
 > - It became [enabled by default](https://gitlab.com/gitlab-org/gitlab/-/issues/214684) in GitLab 13.2.
 > - It's recommended for production use.
 > - It's enabled on GitLab.com.
-> - For GitLab self-managed instances, a GitLab administrator can choose to [disable it](#enable-or-disable-feature-flag-strategies). **(CORE ONLY)**
 
 You can apply a feature flag strategy across multiple environments, without defining
 the strategy multiple times.
@@ -222,25 +221,6 @@ To remove users from a user list:
 1. Click on the **{pencil}** (edit) button next to the list you want to change.
 1. Click on the **{remove}** (remove) button next to the ID you want to remove.
 
-### Enable or disable feature flag strategies
-
-This feature is under development, but is ready for production use. It's
-deployed behind a feature flag that is **enabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../administration/feature_flags.md)
-can disable it for your instance.
-
-To disable it:
-
-```ruby
-Feature.disable(:feature_flags_new_version)
-```
-
-To enable it:
-
-```ruby
-Feature.enable(:feature_flags_new_version)
-```
-
 ## Rollout strategy (legacy)
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/8240) in GitLab 12.2.

ee/spec/features/projects/feature_flags/user_creates_feature_flag_spec.rb

@@ -14,24 +14,18 @@ RSpec.describe 'User creates feature flag', :js do
     sign_in(user)
   end
 
-  context 'with new version flags disabled' do
+  context 'when creates without changing scopes' do
     before do
-      stub_feature_flags(feature_flags_new_version: false)
+      visit(new_project_feature_flag_path(project))
+      set_feature_flag_info('ci_live_trace', 'For live trace')
+      click_button 'Create feature flag'
+      expect(page).to have_current_path(project_feature_flags_path(project))
     end
 
-    context 'when creates without changing scopes' do
-      before do
-        visit(new_project_feature_flag_path(project))
-        set_feature_flag_info('ci_live_trace', 'For live trace')
-        click_button 'Create feature flag'
-        expect(page).to have_current_path(project_feature_flags_path(project))
-      end
+    it 'records audit event' do
+      visit(project_audit_events_path(project))
 
-      it 'records audit event' do
-        visit(project_audit_events_path(project))
-
-        expect(page).to have_text("Created feature flag ci_live_trace with description \"For live trace\".")
-      end
+      expect(page).to have_text("Created feature flag ci_live_trace with description \"For live trace\".")
     end
   end
 

lib/api/entities/feature_flag.rb

@@ -6,11 +6,11 @@ module API
       expose :name
       expose :description
       expose :active
-      expose :version, if: :feature_flags_new_version_enabled
+      expose :version
       expose :created_at
       expose :updated_at
       expose :scopes, using: FeatureFlag::LegacyScope
-      expose :strategies, using: FeatureFlag::Strategy, if: :feature_flags_new_version_enabled
+      expose :strategies, using: FeatureFlag::Strategy
     end
   end
 end

lib/api/feature_flags.rb

@@ -62,8 +62,6 @@ module API
 
           attrs = declared_params(include_missing: false)
 
-          ensure_post_version_2_flags_enabled! if attrs[:version] == 'new_version_flag'
-
           rename_key(attrs, :scopes, :scopes_attributes)
           rename_key(attrs, :strategies, :strategies_attributes)
           update_value(attrs, :strategies_attributes) do |strategies|
@@ -143,7 +141,7 @@ module API
         end
 
         desc 'Update a feature flag' do
-          detail 'This feature will be introduced in GitLab 13.1 if feature_flags_new_version feature flag is removed'
+          detail 'This feature will was introduced in GitLab 13.2'
           success ::API::Entities::FeatureFlag
         end
         params do
@@ -163,7 +161,6 @@ module API
           end
         end
         put do
-          not_found! unless feature_flags_new_version_enabled?
           authorize_update_feature_flag!
           render_api_error!('PUT operations are not supported for legacy feature flags', :unprocessable_entity) if feature_flag.legacy_flag?
 
@@ -228,32 +225,17 @@ module API
 
       def present_entity(result)
         present result,
-          with: ::API::Entities::FeatureFlag,
-          feature_flags_new_version_enabled: feature_flags_new_version_enabled?
-      end
-
-      def ensure_post_version_2_flags_enabled!
-        unless feature_flags_new_version_enabled?
-          render_api_error!('Version 2 flags are not enabled for this project', :unprocessable_entity)
-        end
+          with: ::API::Entities::FeatureFlag
       end
 
       def feature_flag
-        @feature_flag ||= if feature_flags_new_version_enabled?
-                            user_project.operations_feature_flags.find_by_name!(params[:feature_flag_name])
-                          else
-                            user_project.operations_feature_flags.legacy_flag.find_by_name!(params[:feature_flag_name])
-                          end
+        @feature_flag ||= user_project.operations_feature_flags.find_by_name!(params[:feature_flag_name])
       end
 
       def new_version_flag_present?
         user_project.operations_feature_flags.new_version_flag.find_by_name(params[:name]).present?
       end
 
-      def feature_flags_new_version_enabled?
-        Feature.enabled?(:feature_flags_new_version, user_project, default_enabled: true)
-      end
-
       def rename_key(hash, old_key, new_key)
         hash[new_key] = hash.delete(old_key) if hash.key?(old_key)
         hash

spec/controllers/projects/feature_flags_controller_spec.rb

@@ -217,15 +217,6 @@ RSpec.describe Projects::FeatureFlagsController do
 
         expect(json_response['feature_flags'].count).to eq(3)
       end
-
-      it 'returns only version 1 flags when new version flags are disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        subject
-
-        expected = [feature_flag_active.name, feature_flag_inactive.name].sort
-        expect(json_response['feature_flags'].map { |f| f['name'] }.sort).to eq(expected)
-      end
     end
   end
 
@@ -283,24 +274,6 @@ RSpec.describe Projects::FeatureFlagsController do
       expect(json_response['name']).to eq(other_feature_flag.name)
     end
 
-    it 'routes based on iid when new version flags are disabled' do
-      stub_feature_flags(feature_flags_new_version: false)
-      other_project = create(:project)
-      other_project.add_developer(user)
-      other_feature_flag = create(:operations_feature_flag, project: other_project,
-                                  name: 'other_flag')
-      params = {
-        namespace_id: other_project.namespace,
-        project_id: other_project,
-        iid: other_feature_flag.iid
-      }
-
-      get(:show, params: params, format: :json)
-
-      expect(response).to have_gitlab_http_status(:ok)
-      expect(json_response['name']).to eq(other_feature_flag.name)
-    end
-
     context 'when feature flag is not found' do
       let!(:feature_flag) { }
 
@@ -386,14 +359,6 @@ RSpec.describe Projects::FeatureFlagsController do
         expect(json_response['version']).to eq('new_version_flag')
       end
 
-      it 'returns a 404 when new version flags are disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        subject
-
-        expect(response).to have_gitlab_http_status(:not_found)
-      end
-
       it 'returns strategies ordered by id' do
         first_strategy = create(:operations_strategy, feature_flag: new_version_feature_flag)
         second_strategy = create(:operations_strategy, feature_flag: new_version_feature_flag)
@@ -791,54 +756,6 @@ RSpec.describe Projects::FeatureFlagsController do
         expect(Operations::FeatureFlag.count).to eq(0)
       end
     end
-
-    context 'when version 2 flags are disabled' do
-      context 'and attempting to create a version 2 flag' do
-        let(:params) do
-          {
-            namespace_id: project.namespace,
-            project_id: project,
-            operations_feature_flag: {
-              name: 'my_feature_flag',
-              active: true,
-              version: 'new_version_flag'
-            }
-          }
-        end
-
-        it 'returns a 400' do
-          stub_feature_flags(feature_flags_new_version: false)
-
-          subject
-
-          expect(response).to have_gitlab_http_status(:bad_request)
-          expect(Operations::FeatureFlag.count).to eq(0)
-        end
-      end
-
-      context 'and attempting to create a version 1 flag' do
-        let(:params) do
-          {
-            namespace_id: project.namespace,
-            project_id: project,
-            operations_feature_flag: {
-              name: 'my_feature_flag',
-              active: true
-            }
-          }
-        end
-
-        it 'creates the flag' do
-          stub_feature_flags(feature_flags_new_version: false)
-
-          subject
-
-          expect(response).to have_gitlab_http_status(:ok)
-          expect(Operations::FeatureFlag.count).to eq(1)
-          expect(json_response['version']).to eq('legacy_flag')
-        end
-      end
-    end
   end
 
   describe 'DELETE destroy.json' do
@@ -913,15 +830,6 @@ RSpec.describe Projects::FeatureFlagsController do
       it 'deletes the flag' do
         expect { subject }.to change { Operations::FeatureFlag.count }.by(-1)
       end
-
-      context 'when new version flags are disabled' do
-        it 'returns a 404' do
-          stub_feature_flags(feature_flags_new_version: false)
-
-          expect { subject }.not_to change { Operations::FeatureFlag.count }
-          expect(response).to have_gitlab_http_status(:not_found)
-        end
-      end
     end
   end
 
@@ -1576,15 +1484,6 @@ RSpec.describe Projects::FeatureFlagsController do
         expect(json_response['strategies'].first['scopes']).to eq([])
       end
 
-      it 'does not update the flag if version 2 flags are disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        put_request(new_version_flag, { name: 'some-other-name' })
-
-        expect(response).to have_gitlab_http_status(:not_found)
-        expect(new_version_flag.reload.name).to eq('new-feature')
-      end
-
       it 'updates the flag when legacy feature flags are set to be read only' do
         stub_feature_flags(feature_flags_legacy_read_only: true)
 

spec/features/projects/feature_flags/user_creates_feature_flag_spec.rb

@@ -67,118 +67,6 @@ RSpec.describe 'User creates feature flag', :js do
     end
   end
 
-  context 'with new version flags disabled' do
-    before do
-      stub_feature_flags(feature_flags_new_version: false)
-    end
-
-    context 'when creates without changing scopes' do
-      before do
-        visit(new_project_feature_flag_path(project))
-        set_feature_flag_info('ci_live_trace', 'For live trace')
-        click_button 'Create feature flag'
-        expect(page).to have_current_path(project_feature_flags_path(project))
-      end
-
-      it 'shows the created feature flag' do
-        within_feature_flag_row(1) do
-          expect(page.find('.feature-flag-name')).to have_content('ci_live_trace')
-          expect_status_toggle_button_to_be_checked
-
-          within_feature_flag_scopes do
-            expect(page.find('[data-qa-selector="feature-flag-scope-info-badge"]:nth-child(1)')).to have_content('*')
-          end
-        end
-      end
-    end
-
-    context 'when creates with disabling the default scope' do
-      before do
-        visit(new_project_feature_flag_path(project))
-        set_feature_flag_info('ci_live_trace', 'For live trace')
-
-        within_scope_row(1) do
-          within_status { find('.project-feature-toggle').click }
-        end
-
-        click_button 'Create feature flag'
-      end
-
-      it 'shows the created feature flag' do
-        within_feature_flag_row(1) do
-          expect(page.find('.feature-flag-name')).to have_content('ci_live_trace')
-          expect_status_toggle_button_to_be_checked
-
-          within_feature_flag_scopes do
-            expect(page.find('[data-qa-selector="feature-flag-scope-muted-badge"]:nth-child(1)')).to have_content('*')
-          end
-        end
-      end
-    end
-
-    context 'when creates with an additional scope' do
-      before do
-        visit(new_project_feature_flag_path(project))
-        set_feature_flag_info('mr_train', '')
-
-        within_scope_row(2) do
-          within_environment_spec do
-            find('.js-env-search > input').set("review/*")
-            find('.js-create-button').click
-          end
-        end
-
-        within_scope_row(2) do
-          within_status { find('.project-feature-toggle').click }
-        end
-
-        click_button 'Create feature flag'
-      end
-
-      it 'shows the created feature flag' do
-        within_feature_flag_row(1) do
-          expect(page.find('.feature-flag-name')).to have_content('mr_train')
-          expect_status_toggle_button_to_be_checked
-
-          within_feature_flag_scopes do
-            expect(page.find('[data-qa-selector="feature-flag-scope-info-badge"]:nth-child(1)')).to have_content('*')
-            expect(page.find('[data-qa-selector="feature-flag-scope-info-badge"]:nth-child(2)')).to have_content('review/*')
-          end
-        end
-      end
-    end
-
-    context 'when searches an environment name for scope creation' do
-      let!(:environment) { create(:environment, name: 'production', project: project) }
-
-      before do
-        visit(new_project_feature_flag_path(project))
-        set_feature_flag_info('mr_train', '')
-
-        within_scope_row(2) do
-          within_environment_spec do
-            find('.js-env-search > input').set('prod')
-            click_button 'production'
-          end
-        end
-
-        click_button 'Create feature flag'
-      end
-
-      it 'shows the created feature flag' do
-        within_feature_flag_row(1) do
-          expect(page.find('.feature-flag-name')).to have_content('mr_train')
-          expect_status_toggle_button_to_be_checked
-
-          within_feature_flag_scopes do
-            expect(page.find('[data-qa-selector="feature-flag-scope-info-badge"]:nth-child(1)')).to have_content('*')
-            expect(page.find('[data-qa-selector="feature-flag-scope-muted-badge"]:nth-child(2)')).to have_content('production')
-          end
-        end
-      end
-    end
-  end
-
   private
 
   def set_feature_flag_info(name, description)

spec/finders/feature_flags_finder_spec.rb

@@ -80,15 +80,5 @@ RSpec.describe FeatureFlagsFinder do
         is_expected.to eq([feature_flag_1, feature_flag_2, feature_flag_3])
       end
     end
-
-    context 'when new version flags are disabled' do
-      let!(:feature_flag_3) { create(:operations_feature_flag, :new_version_flag, name: 'flag-c', project: project) }
-
-      it 'returns only legacy flags' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        is_expected.to eq([feature_flag_1, feature_flag_2])
-      end
-    end
   end
 end

spec/frontend/feature_flags/components/edit_feature_flag_spec.js

@@ -4,7 +4,7 @@ import MockAdapter from 'axios-mock-adapter';
 import { GlToggle, GlAlert } from '@gitlab/ui';
 import { TEST_HOST } from 'spec/test_constants';
 import { mockTracking } from 'helpers/tracking_helper';
-import { LEGACY_FLAG, NEW_VERSION_FLAG, NEW_FLAG_ALERT } from '~/feature_flags/constants';
+import { LEGACY_FLAG, NEW_VERSION_FLAG } from '~/feature_flags/constants';
 import Form from '~/feature_flags/components/form.vue';
 import createStore from '~/feature_flags/store/edit';
 import EditFeatureFlag from '~/feature_flags/components/edit_feature_flag.vue';
@@ -37,9 +37,6 @@ describe('Edit feature flag form', () => {
         showUserCallout: true,
         userCalloutId,
         userCalloutsPath,
-        glFeatures: {
-          featureFlagsNewVersion: true,
-        },
         ...opts,
       },
     });
@@ -151,33 +148,4 @@ describe('Edit feature flag form', () => {
       });
     });
   });
-
-  describe('without new version flags', () => {
-    beforeEach(() => factory({ glFeatures: { featureFlagsNewVersion: false } }));
-
-    it('should alert users that feature flags are changing soon', () => {
-      expect(findAlert().text()).toBe(NEW_FLAG_ALERT);
-    });
-  });
-
-  describe('dismissing new version alert', () => {
-    beforeEach(() => {
-      factory({ glFeatures: { featureFlagsNewVersion: false } });
-      mock.onPost(userCalloutsPath, { feature_name: userCalloutId }).reply(200);
-      findAlert().vm.$emit('dismiss');
-      return wrapper.vm.$nextTick();
-    });
-
-    afterEach(() => {
-      mock.restore();
-    });
-
-    it('should hide the alert', () => {
-      expect(findAlert().exists()).toBe(false);
-    });
-
-    it('should send the dismissal event', () => {
-      expect(mock.history.post.length).toBe(1);
-    });
-  });
 });

spec/frontend/feature_flags/components/new_feature_flag_spec.js

 import { shallowMount, createLocalVue } from '@vue/test-utils';
 import Vuex from 'vuex';
-import MockAdapter from 'axios-mock-adapter';
 import { GlAlert } from '@gitlab/ui';
 import { TEST_HOST } from 'spec/test_constants';
 import Form from '~/feature_flags/components/form.vue';
 import createStore from '~/feature_flags/store/new';
 import NewFeatureFlag from '~/feature_flags/components/new_feature_flag.vue';
-import {
-  ROLLOUT_STRATEGY_ALL_USERS,
-  DEFAULT_PERCENT_ROLLOUT,
-  NEW_FLAG_ALERT,
-} from '~/feature_flags/constants';
-import axios from '~/lib/utils/axios_utils';
+import { ROLLOUT_STRATEGY_ALL_USERS, DEFAULT_PERCENT_ROLLOUT } from '~/feature_flags/constants';
 import { allUsersStrategy } from '../mock_data';
 
 const userCalloutId = 'feature_flags_new_version';
@@ -42,9 +36,6 @@ describe('New feature flag form', () => {
         userCalloutsPath,
         environmentsEndpoint: 'environments.json',
         projectId: '8',
-        glFeatures: {
-          featureFlagsNewVersion: true,
-        },
         ...opts,
       },
     });
@@ -58,8 +49,6 @@ describe('New feature flag form', () => {
     wrapper.destroy();
   });
 
-  const findAlert = () => wrapper.find(GlAlert);
-
   describe('with error', () => {
     it('should render the error', () => {
       store.dispatch('receiveCreateFeatureFlagError', { message: ['The name is required'] });
@@ -101,36 +90,4 @@ describe('New feature flag form', () => {
 
     expect(strategies).toEqual([allUsersStrategy]);
   });
-
-  describe('without new version flags', () => {
-    beforeEach(() => factory({ glFeatures: { featureFlagsNewVersion: false } }));
-
-    it('should alert users that feature flags are changing soon', () => {
-      expect(findAlert().text()).toBe(NEW_FLAG_ALERT);
-    });
-  });
-
-  describe('dismissing new version alert', () => {
-    let mock;
-
-    beforeEach(() => {
-      mock = new MockAdapter(axios);
-      mock.onPost(userCalloutsPath, { feature_name: userCalloutId }).reply(200);
-      factory({ glFeatures: { featureFlagsNewVersion: false } });
-      findAlert().vm.$emit('dismiss');
-      return wrapper.vm.$nextTick();
-    });
-
-    afterEach(() => {
-      mock.restore();
-    });
-
-    it('should hide the alert', () => {
-      expect(findAlert().exists()).toBe(false);
-    });
-
-    it('should send the dismissal event', () => {
-      expect(mock.history.post.length).toBe(1);
-    });
-  });
 });

spec/requests/api/feature_flags_spec.rb

@@ -65,26 +65,6 @@ RSpec.describe API::FeatureFlags do
         expect(json_response.map { |f| f['version'] }).to eq(%w[legacy_flag legacy_flag])
       end
 
-      it 'does not return the legacy flag version when the feature flag is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        subject
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(response).to match_response_schema('public_api/v4/feature_flags')
-        expect(json_response.select { |f| f.key?('version') }).to eq([])
-      end
-
-      it 'does not return strategies if the new flag is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        subject
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(response).to match_response_schema('public_api/v4/feature_flags')
-        expect(json_response.select { |f| f.key?('strategies') }).to eq([])
-      end
-
       it 'does not have N+1 problem' do
         control_count = ActiveRecord::QueryRecorder.new { subject }
 
@@ -134,16 +114,6 @@ RSpec.describe API::FeatureFlags do
           }]
         }])
       end
-
-      it 'does not return a version 2 flag when the feature flag is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        subject
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(response).to match_response_schema('public_api/v4/feature_flags')
-        expect(json_response).to eq([])
-      end
     end
 
     context 'with version 1 and 2 feature flags' do
@@ -159,20 +129,6 @@ RSpec.describe API::FeatureFlags do
         expect(response).to match_response_schema('public_api/v4/feature_flags')
         expect(json_response.map { |f| f['name'] }).to eq(%w[legacy_flag new_version_flag])
       end
-
-      it 'returns only version 1 flags when the feature flag is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-        create(:operations_feature_flag, project: project, name: 'legacy_flag')
-        feature_flag = create(:operations_feature_flag, :new_version_flag, project: project, name: 'new_version_flag')
-        strategy = create(:operations_strategy, feature_flag: feature_flag, name: 'default', parameters: {})
-        create(:operations_scope, strategy: strategy, environment_scope: 'production')
-
-        subject
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(response).to match_response_schema('public_api/v4/feature_flags')
-        expect(json_response.map { |f| f['name'] }).to eq(['legacy_flag'])
-      end
     end
   end
 
@@ -224,18 +180,6 @@ RSpec.describe API::FeatureFlags do
           }]
         })
       end
-
-      it 'returns a 404 when the feature is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-        feature_flag = create(:operations_feature_flag, :new_version_flag, project: project, name: 'feature1')
-        strategy = create(:operations_strategy, feature_flag: feature_flag, name: 'default', parameters: {})
-        create(:operations_scope, strategy: strategy, environment_scope: 'production')
-
-        get api("/projects/#{project.id}/feature_flags/feature1", user)
-
-        expect(response).to have_gitlab_http_status(:not_found)
-        expect(json_response).to eq({ 'message' => '404 Not found' })
-      end
     end
   end
 
@@ -290,16 +234,6 @@ RSpec.describe API::FeatureFlags do
       expect(json_response['version']).to eq('legacy_flag')
     end
 
-    it 'does not return version when new version flags are disabled' do
-      stub_feature_flags(feature_flags_new_version: false)
-
-      subject
-
-      expect(response).to have_gitlab_http_status(:created)
-      expect(response).to match_response_schema('public_api/v4/feature_flag')
-      expect(json_response.key?('version')).to eq(false)
-    end
-
     context 'with active set to false in the params for a legacy flag' do
       let(:params) do
         {
@@ -505,20 +439,6 @@ RSpec.describe API::FeatureFlags do
           environment_scope: 'staging'
         }])
       end
-
-      it 'returns a 422 when the feature flag is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-        params = {
-          name: 'new-feature',
-          version: 'new_version_flag'
-        }
-
-        post api("/projects/#{project.id}/feature_flags", user), params: params
-
-        expect(response).to have_gitlab_http_status(:unprocessable_entity)
-        expect(json_response).to eq({ 'message' => 'Version 2 flags are not enabled for this project' })
-        expect(project.operations_feature_flags.count).to eq(0)
-      end
     end
 
     context 'when given invalid parameters' do
@@ -744,16 +664,6 @@ RSpec.describe API::FeatureFlags do
                name: 'feature1', description: 'old description')
       end
 
-      it 'returns a 404 if the feature is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-        params = { description: 'new description' }
-
-        put api("/projects/#{project.id}/feature_flags/feature1", user), params: params
-
-        expect(response).to have_gitlab_http_status(:not_found)
-        expect(feature_flag.reload.description).to eq('old description')
-      end
-
       it 'returns a 422' do
         params = { description: 'new description' }
 
@@ -771,16 +681,6 @@ RSpec.describe API::FeatureFlags do
                name: 'feature1', description: 'old description')
       end
 
-      it 'returns a 404 if the feature is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-        params = { description: 'new description' }
-
-        put api("/projects/#{project.id}/feature_flags/feature1", user), params: params
-
-        expect(response).to have_gitlab_http_status(:not_found)
-        expect(feature_flag.reload.description).to eq('old description')
-      end
-
       it 'returns a 404 if the feature flag does not exist' do
         params = { description: 'new description' }
 
@@ -1100,15 +1000,6 @@ RSpec.describe API::FeatureFlags do
       expect(json_response['version']).to eq('legacy_flag')
     end
 
-    it 'does not return version when new version flags are disabled' do
-      stub_feature_flags(feature_flags_new_version: false)
-
-      subject
-
-      expect(response).to have_gitlab_http_status(:ok)
-      expect(json_response.key?('version')).to eq(false)
-    end
-
     context 'with a version 2 feature flag' do
       let!(:feature_flag) { create(:operations_feature_flag, :new_version_flag, project: project) }
 
@@ -1117,14 +1008,6 @@ RSpec.describe API::FeatureFlags do
 
         expect(response).to have_gitlab_http_status(:ok)
       end
-
-      it 'returns a 404 if the feature is disabled' do
-        stub_feature_flags(feature_flags_new_version: false)
-
-        expect { subject }.not_to change { Operations::FeatureFlag.count }
-
-        expect(response).to have_gitlab_http_status(:not_found)
-      end
     end
   end
 end