diff --git a/app/controllers/concerns/idv_step_concern.rb b/app/controllers/concerns/idv_step_concern.rb
index dab170f9789..4845efa549e 100644
--- a/app/controllers/concerns/idv_step_concern.rb
+++ b/app/controllers/concerns/idv_step_concern.rb
@@ -44,11 +44,9 @@ def confirm_document_capture_complete
 
     if flow_path == 'standard'
       redirect_to idv_document_capture_url
-    elsif flow_path == 'hybrid' &&
-          IdentityConfig.store.doc_auth_link_sent_controller_enabled
+    elsif flow_path == 'hybrid'
       redirect_to idv_link_sent_url
-    else
-      flow_session.delete('Idv::Steps::DocumentCaptureStep')
+    else # no flow_path, go to UploadStep via FSM
       redirect_to idv_doc_auth_url
     end
   end
diff --git a/app/controllers/idv/doc_auth_controller.rb b/app/controllers/idv/doc_auth_controller.rb
index eaecee0fa96..ddd89045b8e 100644
--- a/app/controllers/idv/doc_auth_controller.rb
+++ b/app/controllers/idv/doc_auth_controller.rb
@@ -3,7 +3,6 @@ class DocAuthController < ApplicationController
     before_action :confirm_two_factor_authenticated
     before_action :redirect_if_pending_in_person_enrollment
     before_action :redirect_if_pending_profile
-    before_action :extend_timeout_using_meta_refresh_for_select_paths
 
     include IdvSession
     include Flow::FlowStateMachine
@@ -21,7 +20,7 @@ class DocAuthController < ApplicationController
 
     FLOW_STATE_MACHINE_SETTINGS = {
       step_url: :idv_doc_auth_step_url,
-      final_url: :idv_document_capture_url,
+      final_url: :idv_link_sent_url,
       flow: Idv::Flows::DocAuthFlow,
       analytics_id: 'Doc Auth',
     }.freeze
@@ -49,15 +48,6 @@ def update_if_skipping_upload
       update
     end
 
-    def extend_timeout_using_meta_refresh_for_select_paths
-      return unless request.path == idv_doc_auth_step_path(step: :link_sent) && flow_session
-      max_10min_refreshes = IdentityConfig.store.doc_auth_extend_timeout_by_minutes / 10
-      return if max_10min_refreshes <= 0
-      meta_refresh_count = flow_session[:meta_refresh_count].to_i
-      return if meta_refresh_count >= max_10min_refreshes
-      do_meta_refresh(meta_refresh_count)
-    end
-
     def do_meta_refresh(meta_refresh_count)
       @meta_refresh = 10 * 60
       flow_session[:meta_refresh_count] = meta_refresh_count + 1
diff --git a/app/services/idv/actions/redo_document_capture_action.rb b/app/services/idv/actions/redo_document_capture_action.rb
index 62fb0f4d7a1..811642b321b 100644
--- a/app/services/idv/actions/redo_document_capture_action.rb
+++ b/app/services/idv/actions/redo_document_capture_action.rb
@@ -11,10 +11,6 @@ def call
           redirect_to idv_document_capture_url
         else
           mark_step_incomplete(:upload)
-
-          if !IdentityConfig.store.doc_auth_link_sent_controller_enabled
-            mark_step_incomplete(:link_sent)
-          end
         end
       end
     end
diff --git a/app/services/idv/flows/doc_auth_flow.rb b/app/services/idv/flows/doc_auth_flow.rb
index 90c195abd21..466cda4c614 100644
--- a/app/services/idv/flows/doc_auth_flow.rb
+++ b/app/services/idv/flows/doc_auth_flow.rb
@@ -5,7 +5,6 @@ class DocAuthFlow < Flow::BaseFlow
         welcome: Idv::Steps::WelcomeStep,
         agreement: Idv::Steps::AgreementStep,
         upload: Idv::Steps::UploadStep,
-        link_sent: Idv::Steps::LinkSentStep,
       }.freeze
 
       STEP_INDICATOR_STEPS = [
diff --git a/app/services/idv/steps/link_sent_step.rb b/app/services/idv/steps/link_sent_step.rb
deleted file mode 100644
index f0237500a23..00000000000
--- a/app/services/idv/steps/link_sent_step.rb
+++ /dev/null
@@ -1,68 +0,0 @@
-module Idv
-  module Steps
-    class LinkSentStep < DocAuthBaseStep
-      STEP_INDICATOR_STEP = :verify_id
-
-      HYBRID_FLOW_STEPS = %i[upload link_sent document_capture]
-
-      def self.analytics_visited_event
-        :idv_doc_auth_link_sent_visited
-      end
-
-      def self.analytics_submitted_event
-        :idv_doc_auth_link_sent_submitted
-      end
-
-      def call
-        return render_document_capture_cancelled if document_capture_session&.cancelled_at
-        return render_step_incomplete_error unless take_photo_with_phone_successful?
-
-        # The doc capture flow will have fetched the results already. We need
-        # to fetch them again here to add the PII to this session
-        handle_document_verification_success(document_capture_session_result)
-      end
-
-      def extra_view_variables
-        { phone: idv_session[:phone_for_mobile_flow] }
-      end
-
-      private
-
-      def handle_document_verification_success(get_results_response)
-        save_proofing_components
-        extract_pii_from_doc(get_results_response, store_in_session: true)
-        mark_steps_complete
-        flow_session[:flow_path] = @flow.flow_path
-      end
-
-      def render_document_capture_cancelled
-        mark_steps_incomplete
-        redirect_to idv_url
-        failure(I18n.t('errors.doc_auth.document_capture_cancelled'))
-      end
-
-      def render_step_incomplete_error
-        failure(I18n.t('errors.doc_auth.phone_step_incomplete'))
-      end
-
-      def take_photo_with_phone_successful?
-        document_capture_session_result.present? && document_capture_session_result.success?
-      end
-
-      def document_capture_session_result
-        @document_capture_session_result ||= begin
-          document_capture_session&.load_result ||
-            document_capture_session&.load_doc_auth_async_result
-        end
-      end
-
-      def mark_steps_complete
-        HYBRID_FLOW_STEPS.each { |step| mark_step_complete(step) }
-      end
-
-      def mark_steps_incomplete
-        HYBRID_FLOW_STEPS.each { |step| mark_step_incomplete(step) }
-      end
-    end
-  end
-end
diff --git a/app/services/idv/steps/upload_step.rb b/app/services/idv/steps/upload_step.rb
index 3b454710952..21dc0ff7a8f 100644
--- a/app/services/idv/steps/upload_step.rb
+++ b/app/services/idv/steps/upload_step.rb
@@ -75,8 +75,7 @@ def handle_phone_submission
           failure_reason: failure_reason,
         )
 
-        if !failure_reason &&
-           IdentityConfig.store.doc_auth_link_sent_controller_enabled
+        if !failure_reason
           flow_session[:flow_path] = 'hybrid'
           redirect_to idv_link_sent_url
         end
@@ -97,8 +96,6 @@ def application
       end
 
       def bypass_send_link_steps
-        mark_step_complete(:link_sent)
-
         flow_session[:flow_path] = 'standard'
         redirect_to idv_document_capture_url
 
diff --git a/config/application.yml.default b/config/application.yml.default
index 3aececcf79e..55e950c25d2 100644
--- a/config/application.yml.default
+++ b/config/application.yml.default
@@ -90,7 +90,6 @@ doc_auth_s3_request_timeout: 5
 doc_auth_error_dpi_threshold: 290
 doc_auth_error_glare_threshold: 40
 doc_auth_error_sharpness_threshold: 40
-doc_auth_link_sent_controller_enabled: false
 doc_auth_max_attempts: 5
 doc_auth_max_capture_attempts_before_tips: 3
 doc_auth_max_capture_attempts_before_native_camera: 2
diff --git a/lib/identity_config.rb b/lib/identity_config.rb
index a879db66881..293949132be 100644
--- a/lib/identity_config.rb
+++ b/lib/identity_config.rb
@@ -160,7 +160,6 @@ def self.build_store(config_map)
     config.add(:doc_auth_error_glare_threshold, type: :integer)
     config.add(:doc_auth_error_sharpness_threshold, type: :integer)
     config.add(:doc_auth_extend_timeout_by_minutes, type: :integer)
-    config.add(:doc_auth_link_sent_controller_enabled, type: :boolean)
     config.add(:doc_auth_max_attempts, type: :integer)
     config.add(:doc_auth_max_capture_attempts_before_native_camera, type: :integer)
     config.add(:doc_auth_max_submission_attempts_before_native_camera, type: :integer)
diff --git a/spec/controllers/idv/doc_auth_controller_spec.rb b/spec/controllers/idv/doc_auth_controller_spec.rb
index 50a1b1e45d4..df667ed9004 100644
--- a/spec/controllers/idv/doc_auth_controller_spec.rb
+++ b/spec/controllers/idv/doc_auth_controller_spec.rb
@@ -138,7 +138,7 @@
       it 'finishes the flow' do
         get :show, params: { step: 'welcome' }
 
-        expect(response).to redirect_to idv_document_capture_url
+        expect(response).to redirect_to idv_link_sent_url
       end
     end
   end
@@ -202,7 +202,7 @@
       it 'finishes the flow' do
         put :update, params: { step: 'ssn' }
 
-        expect(response).to redirect_to idv_document_capture_url
+        expect(response).to redirect_to idv_link_sent_url
       end
     end
   end
@@ -210,18 +210,4 @@
   def mock_next_step(step)
     allow_any_instance_of(Idv::Flows::DocAuthFlow).to receive(:next_step).and_return(step)
   end
-
-  let(:user) { create(:user, :fully_registered) }
-  let(:document_capture_session_uuid) { DocumentCaptureSession.create!(user: user).uuid }
-
-  def mock_document_capture_step
-    stub_sign_in(user)
-    allow_any_instance_of(Flow::BaseFlow).to \
-      receive(:flow_session).and_return(
-        'document_capture_session_uuid' => document_capture_session_uuid,
-        'Idv::Steps::WelcomeStep' => true,
-        'Idv::Steps::LinkSentStep' => true,
-        'Idv::Steps::UploadStep' => true,
-      )
-  end
 end
diff --git a/spec/controllers/idv/link_sent_controller_spec.rb b/spec/controllers/idv/link_sent_controller_spec.rb
index c2491123c6d..038cf95f3ef 100644
--- a/spec/controllers/idv/link_sent_controller_spec.rb
+++ b/spec/controllers/idv/link_sent_controller_spec.rb
@@ -19,11 +19,7 @@
     )
   end
 
-  let(:feature_flag_enabled) { true }
-
   before do
-    allow(IdentityConfig.store).to receive(:doc_auth_link_sent_controller_enabled).
-      and_return(feature_flag_enabled)
     allow(subject).to receive(:flow_session).and_return(flow_session)
     stub_sign_in(user)
     stub_analytics
diff --git a/spec/controllers/idv/ssn_controller_spec.rb b/spec/controllers/idv/ssn_controller_spec.rb
index b2fcbce6970..31ada7f5c31 100644
--- a/spec/controllers/idv/ssn_controller_spec.rb
+++ b/spec/controllers/idv/ssn_controller_spec.rb
@@ -203,7 +203,6 @@
       before do
         flow_session[:flow_path] = 'standard'
         flow_session.delete('pii_from_doc')
-        flow_session['Idv::Steps::DocumentCaptureStep'] = true
       end
 
       it 'redirects to DocumentCaptureController on standard flow' do
@@ -212,10 +211,16 @@
         expect(response).to redirect_to idv_document_capture_url
       end
 
-      it 'redirects to FSM DocumentCaptureStep on hybrid flow' do
+      it 'redirects to LinkSentController on hybrid flow' do
         flow_session[:flow_path] = 'hybrid'
         put :update
-        expect(flow_session['Idv::Steps::DocumentCaptureStep']).to be_nil
+        expect(response.status).to eq 302
+        expect(response).to redirect_to idv_link_sent_url
+      end
+
+      it 'redirects to FSM UploadStep if there is no flow_path' do
+        flow_session[:flow_path] = nil
+        put :update
         expect(response.status).to eq 302
         expect(response).to redirect_to idv_doc_auth_url
       end
diff --git a/spec/features/idv/actions/cancel_link_sent_action_spec.rb b/spec/features/idv/actions/cancel_link_sent_action_spec.rb
index e90d5e499e2..2cf54a9f177 100644
--- a/spec/features/idv/actions/cancel_link_sent_action_spec.rb
+++ b/spec/features/idv/actions/cancel_link_sent_action_spec.rb
@@ -4,11 +4,7 @@
   include IdvStepHelper
   include DocAuthHelper
 
-  let(:new_controller_enabled) { false }
-
   before do
-    allow(IdentityConfig.store).to receive(:doc_auth_link_sent_controller_enabled).
-      and_return(new_controller_enabled)
     sign_in_and_2fa_user
     complete_doc_auth_steps_before_link_sent_step
   end
@@ -18,15 +14,4 @@
 
     expect(page).to have_current_path(idv_doc_auth_upload_step)
   end
-
-  context 'new SendLink controller is enabled' do
-    let(:new_controller_enabled) { true }
-
-    it 'returns to link sent step', :js do
-      expect(page).to have_current_path(idv_link_sent_path)
-      click_doc_auth_back_link
-
-      expect(page).to have_current_path(idv_doc_auth_upload_step)
-    end
-  end
 end
diff --git a/spec/features/idv/actions/redo_document_capture_action_spec.rb b/spec/features/idv/actions/redo_document_capture_action_spec.rb
index 3e6db6cf5e9..bc45ad8e775 100644
--- a/spec/features/idv/actions/redo_document_capture_action_spec.rb
+++ b/spec/features/idv/actions/redo_document_capture_action_spec.rb
@@ -4,12 +4,8 @@
   include IdvStepHelper
   include DocAuthHelper
 
-  let(:new_controller_enabled) { false }
-
   context 'when barcode scan returns a warning', allow_browser_log: true do
     before do
-      allow(IdentityConfig.store).to receive(:doc_auth_link_sent_controller_enabled).
-        and_return(new_controller_enabled)
       sign_in_and_2fa_user
       complete_doc_auth_steps_before_document_capture_step
       mock_doc_auth_attention_with_barcode
@@ -84,25 +80,5 @@
         expect(page).not_to have_css('[role="status"]')
       end
     end
-
-    context 'with doc_auth_link_sent_controller_enabled flag enabled',
-            driver: :headless_chrome_mobile do
-      let(:new_controller_enabled) { true }
-
-      it 'goes to document capture' do
-        warning_link_text = t('doc_auth.headings.capture_scan_warning_link')
-
-        expect(page).to have_css(
-          '[role="status"]',
-          text: t(
-            'doc_auth.headings.capture_scan_warning_html',
-            link: warning_link_text,
-          ).tr(' ', ' '),
-        )
-        click_link warning_link_text
-
-        expect(current_path).to eq(idv_document_capture_path)
-      end
-    end
   end
 end
diff --git a/spec/features/idv/doc_auth/address_step_spec.rb b/spec/features/idv/doc_auth/address_step_spec.rb
index ef0e6150f4e..62d36a3f4cc 100644
--- a/spec/features/idv/doc_auth/address_step_spec.rb
+++ b/spec/features/idv/doc_auth/address_step_spec.rb
@@ -97,7 +97,7 @@
     it 'stays in FSM on hybrid flow' do
       complete_doc_auth_steps_before_link_sent_step
       visit(idv_address_url)
-      expect(page).to have_current_path(idv_doc_auth_link_sent_step)
+      expect(page).to have_current_path(idv_link_sent_path)
     end
   end
 end
diff --git a/spec/features/idv/doc_auth/link_sent_spec.rb b/spec/features/idv/doc_auth/link_sent_spec.rb
index cf3fee1d149..406aab2e3c4 100644
--- a/spec/features/idv/doc_auth/link_sent_spec.rb
+++ b/spec/features/idv/doc_auth/link_sent_spec.rb
@@ -11,8 +11,6 @@
   before do
     allow(FeatureManagement).
       to(receive(:doc_capture_polling_enabled?).and_return(false))
-    allow(IdentityConfig.store).
-      to(receive(:doc_auth_link_sent_controller_enabled).and_return(true))
 
     user
     complete_doc_auth_steps_before_upload_step
diff --git a/spec/features/idv/doc_auth/link_sent_step_spec.rb b/spec/features/idv/doc_auth/link_sent_step_spec.rb
deleted file mode 100644
index 0d913c4dec1..00000000000
--- a/spec/features/idv/doc_auth/link_sent_step_spec.rb
+++ /dev/null
@@ -1,26 +0,0 @@
-require 'rails_helper'
-
-feature 'doc auth link sent step' do
-  include IdvStepHelper
-  include DocAuthHelper
-  include DocCaptureHelper
-
-  let(:user) { sign_in_and_2fa_user }
-  let(:doc_capture_polling_enabled) { false }
-  let(:phone_number) { '415-555-0199' }
-
-  before do
-    allow(FeatureManagement).
-      to(receive(:doc_capture_polling_enabled?).and_return(doc_capture_polling_enabled))
-    user
-    complete_doc_auth_steps_before_upload_step
-    fill_in :doc_auth_phone, with: ''
-    fill_in :doc_auth_phone, with: phone_number
-    click_send_link
-  end
-
-  it 'Correctly renders the link sent step page' do
-    expect(page).to have_current_path(idv_doc_auth_link_sent_step)
-    expect(page).to have_content(phone_number)
-  end
-end
diff --git a/spec/features/idv/doc_auth/upload_step_spec.rb b/spec/features/idv/doc_auth/upload_step_spec.rb
index bf91ba524ca..41f316f58fa 100644
--- a/spec/features/idv/doc_auth/upload_step_spec.rb
+++ b/spec/features/idv/doc_auth/upload_step_spec.rb
@@ -61,7 +61,7 @@
 
       click_send_link
 
-      expect(page).to have_current_path(idv_doc_auth_link_sent_step)
+      expect(page).to have_current_path(idv_link_sent_path)
       expect(fake_analytics).to have_logged_event(
         'IdV: doc auth upload submitted',
         hash_including(step: 'upload', destination: :link_sent),
@@ -86,7 +86,7 @@
       fill_in :doc_auth_phone, with: '415-555-0199'
       click_send_link
 
-      expect(page).to have_current_path(idv_doc_auth_link_sent_step)
+      expect(page).to have_current_path(idv_link_sent_path)
     end
 
     it 'does not proceed to the next page with invalid info' do
@@ -107,7 +107,7 @@
       fill_in :doc_auth_phone, with: '415-555-0199'
       click_send_link
 
-      expect(page).to have_current_path(idv_doc_auth_link_sent_step)
+      expect(page).to have_current_path(idv_link_sent_path)
     end
 
     it 'does not proceed if Telephony raises an error' do
@@ -169,7 +169,7 @@
           fill_in :doc_auth_phone, with: '415-555-0199'
           click_send_link
 
-          expect(page).to have_current_path(idv_doc_auth_link_sent_step)
+          expect(page).to have_current_path(idv_link_sent_path)
 
           click_doc_auth_back_link
         end
@@ -196,7 +196,7 @@
       travel_to(Time.zone.now + idv_send_link_attempt_window_in_minutes.minutes) do
         fill_in :doc_auth_phone, with: '415-555-0199'
         click_send_link
-        expect(page).to have_current_path(idv_doc_auth_link_sent_step)
+        expect(page).to have_current_path(idv_link_sent_path)
       end
     end
 
diff --git a/spec/features/idv/hybrid_mobile/hybrid_mobile_spec.rb b/spec/features/idv/hybrid_mobile/hybrid_mobile_spec.rb
index e444817f816..fe223ba1ef6 100644
--- a/spec/features/idv/hybrid_mobile/hybrid_mobile_spec.rb
+++ b/spec/features/idv/hybrid_mobile/hybrid_mobile_spec.rb
@@ -105,71 +105,4 @@
       expect(page).to have_content(t('doc_auth.headings.text_message'))
     end
   end
-
-  # delete this whole context when the feature flag is deleted
-  context 'with doc_auth_link_sent_controller_enabled set to true' do
-    before do
-      allow(IdentityConfig.store).to receive(:doc_auth_link_sent_controller_enabled).
-        and_return(true)
-    end
-
-    it 'proofs and hands off to mobile', js: true do
-      user = nil
-
-      perform_in_browser(:desktop) do
-        user = sign_in_and_2fa_user
-        complete_doc_auth_steps_before_upload_step
-        clear_and_fill_in(:doc_auth_phone, phone_number)
-        click_send_link
-
-        expect(page).to have_content(t('doc_auth.headings.text_message'))
-
-        # Confirm that Continue button is not shown when polling is enabled
-        expect(page).not_to have_content(t('doc_auth.buttons.continue'))
-      end
-
-      expect(@sms_link).to be_present
-
-      perform_in_browser(:mobile) do
-        visit @sms_link
-
-        # Confirm app disallows jumping ahead to CaptureComplete page
-        visit idv_hybrid_mobile_capture_complete_url
-        expect(page).to have_current_path(idv_hybrid_mobile_document_capture_url)
-
-        attach_and_submit_images
-
-        expect(page).to have_current_path(idv_hybrid_mobile_capture_complete_url)
-        expect(page).to have_content(t('doc_auth.headings.capture_complete').tr(' ', ' '))
-        expect(page).to have_text(t('doc_auth.instructions.switch_back'))
-        expect_step_indicator_current_step(t('step_indicator.flows.idv.verify_id'))
-
-        # Confirm app disallows jumping back to DocumentCapture page
-        visit idv_hybrid_mobile_document_capture_url
-        expect(page).to have_current_path(idv_hybrid_mobile_capture_complete_url)
-      end
-
-      perform_in_browser(:desktop) do
-        expect(page).to_not have_content(t('doc_auth.headings.text_message'), wait: 10)
-        expect(page).to have_current_path(idv_ssn_path)
-
-        fill_out_ssn_form_ok
-        click_idv_continue
-
-        expect(page).to have_content(t('headings.verify'))
-        click_idv_continue
-
-        fill_out_phone_form_ok
-        verify_phone_otp
-
-        fill_in t('idv.form.password'), with: Features::SessionHelper::VALID_PASSWORD
-        click_idv_continue
-
-        acknowledge_and_confirm_personal_key
-
-        expect(page).to have_current_path(account_path)
-        expect(page).to have_content(t('headings.account.verified_account'))
-      end
-    end
-  end
 end
diff --git a/spec/support/features/doc_auth_helper.rb b/spec/support/features/doc_auth_helper.rb
index f0490bd221f..1d54ffe2caa 100644
--- a/spec/support/features/doc_auth_helper.rb
+++ b/spec/support/features/doc_auth_helper.rb
@@ -65,10 +65,6 @@ def idv_doc_auth_upload_step
     idv_doc_auth_step_path(step: :upload)
   end
 
-  def idv_doc_auth_link_sent_step
-    idv_doc_auth_step_path(step: :link_sent)
-  end
-
   def complete_doc_auth_steps_before_welcome_step(expect_accessible: false)
     visit idv_doc_auth_welcome_step unless current_path == idv_doc_auth_welcome_step
     click_idv_continue if current_path == idv_mail_only_warning_path