diff --git a/doc/integration/advanced_search/elasticsearch.md b/doc/integration/advanced_search/elasticsearch.md
index ced5a250b09343dedf658792ed7cc198644ee7d0..10fc2607b324a19f5471fc0878b3847ebee7c024 100644
--- a/doc/integration/advanced_search/elasticsearch.md
+++ b/doc/integration/advanced_search/elasticsearch.md
@@ -771,7 +771,7 @@ The following are some available Rake tasks:
 | Task                                                                                                                                                    | Description                                                                                                                                                                               |
 |:--------------------------------------------------------------------------------------------------------------------------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [`sudo gitlab-rake gitlab:elastic:info`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/lib/tasks/gitlab/elastic.rake)                            | Outputs debugging information for the advanced search integration. |
-| [`sudo gitlab-rake gitlab:elastic:index`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/lib/tasks/gitlab/elastic.rake)                            | In GitLab 17.0 and earlier, enables Elasticsearch indexing and runs `gitlab:elastic:recreate_index`, `gitlab:elastic:clear_index_status`, `gitlab:elastic:index_group_entities`, `gitlab:elastic:index_projects`, `gitlab:elastic:index_snippets`, and `gitlab:elastic:index_users`.<br>In GitLab 17.1 and later, queues a Sidekiq job in the background. First, the job enables Elasticsearch indexing and pauses indexing to ensure all indices are created. Then, the job re-creates all indices, clears indexing status, and queues additional Sidekiq jobs to index project and group data, snippets, and users. Finally, Elasticsearch indexing is resumed to complete. [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/421298) in GitLab 17.1 [with a flag](../../administration/feature_flags.md) named `elastic_index_use_trigger_indexing`. Enabled by default. |
+| [`sudo gitlab-rake gitlab:elastic:index`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/lib/tasks/gitlab/elastic.rake)                            | In GitLab 17.0 and earlier, enables Elasticsearch indexing and runs `gitlab:elastic:recreate_index`, `gitlab:elastic:clear_index_status`, `gitlab:elastic:index_group_entities`, `gitlab:elastic:index_projects`, `gitlab:elastic:index_snippets`, and `gitlab:elastic:index_users`.<br>In GitLab 17.1 and later, queues a Sidekiq job in the background. First, the job enables Elasticsearch indexing and pauses indexing to ensure all indices are created. Then, the job re-creates all indices, clears indexing status, and queues additional Sidekiq jobs to index project and group data, snippets, and users. Finally, Elasticsearch indexing is resumed to complete. [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/421298) in GitLab 17.1 [with a flag](../../administration/feature_flags.md) named `elastic_index_use_trigger_indexing`. Enabled by default. [Generally available](https://gitlab.com/gitlab-org/gitlab/-/issues/434580) in GitLab 17.3. Feature flag `elastic_index_use_trigger_indexing` removed. |
 | [`sudo gitlab-rake gitlab:elastic:pause_indexing`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/lib/tasks/gitlab/elastic.rake)                            | Pauses Elasticsearch indexing. Changes are still tracked. Useful for cluster/index migrations. |
 | [`sudo gitlab-rake gitlab:elastic:resume_indexing`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/lib/tasks/gitlab/elastic.rake)                            | Resumes Elasticsearch indexing. |
 | [`sudo gitlab-rake gitlab:elastic:index_projects`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/lib/tasks/gitlab/elastic.rake)                   | Iterates over all projects, and queues Sidekiq jobs to index them in the background. It can only be used after the index is created.                                                                                                      |
diff --git a/ee/config/feature_flags/beta/elastic_index_use_trigger_indexing.yml b/ee/config/feature_flags/beta/elastic_index_use_trigger_indexing.yml
deleted file mode 100644
index 5ca3437831786b5adef9d0e151ce2b1818ab459f..0000000000000000000000000000000000000000
--- a/ee/config/feature_flags/beta/elastic_index_use_trigger_indexing.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-name: elastic_index_use_trigger_indexing
-feature_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/434590
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/139300
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/434580
-milestone: '16.8'
-group: group::global search
-type: beta
-default_enabled: false
diff --git a/ee/lib/tasks/gitlab/elastic.rake b/ee/lib/tasks/gitlab/elastic.rake
index 2161c5f3f432e56c401023b916ede1f48141e577..43f525c9daa585dcdbd70f94d32b8ab48f9ea017 100644
--- a/ee/lib/tasks/gitlab/elastic.rake
+++ b/ee/lib/tasks/gitlab/elastic.rake
@@ -6,50 +6,23 @@ namespace :gitlab do
     task index: :environment do
       raise 'This task cannot be run on GitLab.com' if ::Gitlab::Saas.feature_available?(:advanced_search)
 
-      if Feature.enabled?(:elastic_index_use_trigger_indexing) # rubocop:disable Gitlab/FeatureFlagWithoutActor -- this ff cannot have an actor
-        if ::Gitlab::CurrentSettings.elasticsearch_pause_indexing?
-          stdout_logger.warn('WARNING: `elasticsearch_pause_indexing` is enabled. ' \
-            'This setting will be disabled to complete indexing'.color(:yellow))
-        end
-
-        unless Gitlab::CurrentSettings.elasticsearch_indexing?
-          stdout_logger.warn('Setting `elasticsearch_indexing` is disabled. ' \
-            'This setting will been enabled to complete indexing.'.color(:yellow))
-        end
-
-        stdout_logger.info('Scheduling indexing with TriggerIndexingWorker')
-
-        # skip projects, all namespace and project data is handled by `namespaces` task
-        Search::Elastic::TriggerIndexingWorker.perform_in(1.minute,
-          Search::Elastic::TriggerIndexingWorker::INITIAL_TASK, { 'skip' => 'projects' })
-
-        stdout_logger.info("Scheduling indexing with TriggerIndexingWorker... #{'done'.color(:green)}")
-      else
-        # enable `elasticsearch_indexing` if it isn't
-        unless Gitlab::CurrentSettings.elasticsearch_indexing?
-          ApplicationSettings::UpdateService.new(
-            Gitlab::CurrentSettings.current_application_settings,
-            nil,
-            { elasticsearch_indexing: true }
-          ).execute
+      if ::Gitlab::CurrentSettings.elasticsearch_pause_indexing?
+        stdout_logger.warn('WARNING: `elasticsearch_pause_indexing` is enabled. ' \
+          'This setting will be disabled to complete indexing'.color(:yellow))
+      end
 
-          stdout_logger.info('Setting `elasticsearch_indexing` has been enabled.')
-        end
+      unless Gitlab::CurrentSettings.elasticsearch_indexing?
+        stdout_logger.warn('Setting `elasticsearch_indexing` is disabled. ' \
+          'This setting will been enabled to complete indexing.'.color(:yellow))
+      end
 
-        if ::Gitlab::CurrentSettings.elasticsearch_pause_indexing?
-          stdout_logger.warn('WARNING: `elasticsearch_pause_indexing` is enabled. ' \
-            'Disable this setting by running `rake gitlab:elastic:resume_indexing` ' \
-            'to complete indexing.'.color(:yellow))
-        end
+      stdout_logger.info('Scheduling indexing with TriggerIndexingWorker')
 
-        Rake::Task['gitlab:elastic:recreate_index'].invoke
-        Rake::Task['gitlab:elastic:clear_index_status'].invoke
+      # skip projects, all namespace and project data is handled by `namespaces` task
+      Search::Elastic::TriggerIndexingWorker.perform_in(1.minute,
+        Search::Elastic::TriggerIndexingWorker::INITIAL_TASK, { 'skip' => 'projects' })
 
-        Rake::Task['gitlab:elastic:index_group_entities'].invoke
-        Rake::Task['gitlab:elastic:index_projects'].invoke
-        Rake::Task['gitlab:elastic:index_snippets'].invoke
-        Rake::Task['gitlab:elastic:index_users'].invoke
-      end
+      stdout_logger.info("Scheduling indexing with TriggerIndexingWorker... #{'done'.color(:green)}")
     end
 
     desc 'GitLab | Elasticsearch | Index Group entities'
diff --git a/ee/spec/tasks/gitlab/elastic_rake_spec.rb b/ee/spec/tasks/gitlab/elastic_rake_spec.rb
index 60f372854425be153c707b95f9c3196c2d02c1fb..7260ca06e6fc6dcb9b78c510cd7c6e0805803f8c 100644
--- a/ee/spec/tasks/gitlab/elastic_rake_spec.rb
+++ b/ee/spec/tasks/gitlab/elastic_rake_spec.rb
@@ -116,28 +116,10 @@
     end
 
     context 'with elasticsearch_indexing is disabled' do
-      context 'when elastic_index_use_trigger_indexing is enabled' do
-        before do
-          stub_feature_flags(elastic_index_use_trigger_indexing: true)
-        end
-
-        it 'does not enable `elasticsearch_indexing`' do
-          expect { run_rake_task 'gitlab:elastic:index' }.not_to change {
-            Gitlab::CurrentSettings.elasticsearch_indexing?
-          }
-        end
-      end
-
-      context 'when elastic_index_use_trigger_indexing is disabled' do
-        before do
-          stub_feature_flags(elastic_index_use_trigger_indexing: false)
-        end
-
-        it 'enables `elasticsearch_indexing`' do
-          expect { run_rake_task 'gitlab:elastic:index' }.to change {
-            Gitlab::CurrentSettings.elasticsearch_indexing?
-          }.from(false).to(true)
-        end
+      it 'does not enable `elasticsearch_indexing`' do
+        expect { run_rake_task 'gitlab:elastic:index' }.not_to change {
+          Gitlab::CurrentSettings.elasticsearch_indexing?
+        }
       end
     end
 
@@ -168,37 +150,6 @@
 
         task
       end
-
-      context 'when elastic_index_use_trigger_indexing is disabled' do
-        before do
-          stub_feature_flags(elastic_index_use_trigger_indexing: false)
-        end
-
-        it 'calls all indexing tasks in order' do
-          expect(Rake::Task['gitlab:elastic:recreate_index']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:clear_index_status']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_group_entities']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_projects']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_snippets']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_users']).to receive(:invoke).ordered
-
-          task
-        end
-
-        it 'outputs warning if indexing is paused and still runs all indexing tasks in order' do
-          stub_ee_application_setting(elasticsearch_pause_indexing: true)
-
-          expect(Rake::Task['gitlab:elastic:recreate_index']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:clear_index_status']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_group_entities']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_projects']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_snippets']).to receive(:invoke).ordered
-          expect(Rake::Task['gitlab:elastic:index_users']).to receive(:invoke).ordered
-          expect(logger).to receive(:warn).with(/WARNING: `elasticsearch_pause_indexing` is enabled/)
-
-          task
-        end
-      end
     end
   end
 end