diff --git a/client/landing/stepper/declarative-flow/site-migration-flow.ts b/client/landing/stepper/declarative-flow/site-migration-flow.ts
index 3179065361cc5..2d4008f4eed02 100644
--- a/client/landing/stepper/declarative-flow/site-migration-flow.ts
+++ b/client/landing/stepper/declarative-flow/site-migration-flow.ts
@@ -1,4 +1,3 @@
-import { isEnabled } from '@automattic/calypso-config';
 import { PLAN_MIGRATION_TRIAL_MONTHLY } from '@automattic/calypso-products';
 import { useSelect } from '@wordpress/data';
 import { useEffect } from 'react';
@@ -6,7 +5,6 @@ import { HOSTING_INTENT_MIGRATE } from 'calypso/data/hosting/use-add-hosting-tri
 import { useIsSiteOwner } from 'calypso/landing/stepper/hooks/use-is-site-owner';
 import { useQuery } from 'calypso/landing/stepper/hooks/use-query';
 import { addQueryArgs } from 'calypso/lib/url';
-import wpcom from 'calypso/lib/wp';
 import { useSiteData } from '../hooks/use-site-data';
 import { useSiteSlugParam } from '../hooks/use-site-slug-param';
 import { useStartUrl } from '../hooks/use-start-url';
@@ -29,12 +27,8 @@ const siteMigration: Flow = {
 		return [
 			STEPS.SITE_MIGRATION_IDENTIFY,
 			STEPS.SITE_MIGRATION_IMPORT_OR_MIGRATE,
-			STEPS.BUNDLE_TRANSFER,
-			STEPS.SITE_MIGRATION_PLUGIN_INSTALL,
-			STEPS.PROCESSING,
 			STEPS.SITE_MIGRATION_UPGRADE_PLAN,
 			STEPS.SITE_MIGRATION_ASSIGN_TRIAL_PLAN,
-			STEPS.SITE_MIGRATION_INSTRUCTIONS,
 			STEPS.SITE_MIGRATION_INSTRUCTIONS_I2,
 			STEPS.ERROR,
 			STEPS.SITE_MIGRATION_ASSISTED_MIGRATION,
@@ -98,28 +92,12 @@ const siteMigration: Flow = {
 			window.location.assign( to );
 		};
 
-		const saveSiteSettings = async ( siteSlug: string, settings: Record< string, unknown > ) => {
-			return wpcom.req.post(
-				`/sites/${ siteSlug }/settings`,
-				{
-					apiVersion: '1.4',
-				},
-				{
-					...settings,
-				}
-			);
-		};
-
 		// TODO - We may need to add `...params: string[]` back once we start adding more steps.
 		async function submit( providedDependencies: ProvidedDependencies = {} ) {
 			recordSubmitStep( providedDependencies, intent, flowName, currentStep );
 			const siteSlug = ( providedDependencies?.siteSlug as string ) || siteSlugParam || '';
 			const siteId = getSiteIdBySlug( siteSlug );
 
-			const transferStepSlug = isEnabled( 'migration-flow/remove-processing-step' )
-				? STEPS.SITE_MIGRATION_INSTRUCTIONS_I2.slug
-				: STEPS.BUNDLE_TRANSFER.slug;
-
 			switch ( currentStep ) {
 				case STEPS.SITE_MIGRATION_IDENTIFY.slug: {
 					const { from, platform, action } = providedDependencies as {
@@ -167,56 +145,25 @@ const siteMigration: Flow = {
 
 					// Take the user to the upgrade plan step.
 					if ( providedDependencies?.destination === 'upgrade' ) {
-						// TODO - Once the upgrade plan step is available, we'll want to change this to use the slug constant.
-						return navigate( 'site-migration-upgrade-plan', {
+						return navigate( STEPS.SITE_MIGRATION_UPGRADE_PLAN.slug, {
 							siteId,
 							siteSlug,
 						} );
 					}
 
 					// Continue with the migration flow.
-					return navigate( transferStepSlug, {
+					return navigate( STEPS.SITE_MIGRATION_INSTRUCTIONS_I2.slug, {
 						siteId,
 						siteSlug,
 					} );
 				}
 
-				case STEPS.BUNDLE_TRANSFER.slug: {
-					return navigate( STEPS.PROCESSING.slug, { bundleProcessing: true } );
-				}
-
-				case STEPS.SITE_MIGRATION_PLUGIN_INSTALL.slug: {
-					return navigate( STEPS.PROCESSING.slug, { pluginInstall: true } );
-				}
-
-				case STEPS.PROCESSING.slug: {
-					// Any process errors go to the error step.
-					if ( providedDependencies?.error ) {
-						return navigate( STEPS.ERROR.slug );
-					}
-
-					// If the plugin was installed successfully, go to the migration instructions.
-					if ( providedDependencies?.pluginInstall ) {
-						if ( siteSlug ) {
-							// Remove the in_site_migration_flow option at the end of the flow.
-							await saveSiteSettings( siteSlug, {
-								in_site_migration_flow: '',
-							} );
-						}
-
-						return navigate( STEPS.SITE_MIGRATION_INSTRUCTIONS.slug );
-					}
-
-					// Otherwise processing has finished from the BundleTransfer step and we need to install the plugin.
-					return navigate( STEPS.SITE_MIGRATION_PLUGIN_INSTALL.slug );
-				}
-
 				case STEPS.SITE_MIGRATION_ASSIGN_TRIAL_PLAN.slug: {
 					if ( providedDependencies?.error ) {
 						return navigate( STEPS.ERROR.slug );
 					}
 
-					return navigate( transferStepSlug, {
+					return navigate( STEPS.SITE_MIGRATION_INSTRUCTIONS_I2.slug, {
 						siteId,
 						siteSlug,
 					} );
@@ -226,7 +173,7 @@ const siteMigration: Flow = {
 					if ( providedDependencies?.goToCheckout ) {
 						const redirectAfterCheckout = providedDependencies?.userAcceptedDeal
 							? STEPS.SITE_MIGRATION_ASSISTED_MIGRATION.slug
-							: transferStepSlug;
+							: STEPS.SITE_MIGRATION_INSTRUCTIONS_I2.slug;
 
 						const destination = addQueryArgs(
 							{
@@ -258,10 +205,6 @@ const siteMigration: Flow = {
 						return;
 					}
 				}
-
-				case STEPS.SITE_MIGRATION_INSTRUCTIONS.slug: {
-					return exitFlow( `/home/${ siteSlug }` );
-				}
 			}
 		}
 
diff --git a/client/landing/stepper/declarative-flow/test/site-migration-flow.tsx b/client/landing/stepper/declarative-flow/test/site-migration-flow.tsx
index 4a08f0aaf590a..a5eb4ae49739f 100644
--- a/client/landing/stepper/declarative-flow/test/site-migration-flow.tsx
+++ b/client/landing/stepper/declarative-flow/test/site-migration-flow.tsx
@@ -1,7 +1,6 @@
 /**
  * @jest-environment jsdom
  */
-import config from '@automattic/calypso-config';
 import { PLAN_MIGRATION_TRIAL_MONTHLY } from '@automattic/calypso-products';
 import { isCurrentUserLoggedIn } from '@automattic/data-stores/src/user/selectors';
 import { waitFor } from '@testing-library/react';
@@ -15,7 +14,6 @@ import siteMigrationFlow from '../site-migration-flow';
 import { getAssertionConditionResult, getFlowLocation, renderFlow } from './helpers';
 // we need to save the original object for later to not affect tests from other files
 const originalLocation = window.location;
-const originalIsEnabled = config.isEnabled;
 
 jest.mock( '../../utils/checkout' );
 jest.mock( '@automattic/data-stores/src/user/selectors' );
@@ -43,11 +41,6 @@ describe( 'Site Migration Flow', () => {
 		const testSettingsEndpoint = '/rest/v1.4/sites/example.wordpress.com/settings';
 		nock( apiBaseUrl ).get( testSettingsEndpoint ).reply( 200, {} );
 		nock( apiBaseUrl ).post( testSettingsEndpoint ).reply( 200, {} );
-		jest
-			.spyOn( config, 'isEnabled' )
-			.mockImplementation( ( key ) =>
-				key === 'migration-flow/remove-processing-step' ? false : originalIsEnabled( key )
-			);
 	} );
 
 	afterEach( () => {
@@ -172,31 +165,9 @@ describe( 'Site Migration Flow', () => {
 			} );
 		} );
 
-		it( 'migrate redirects from the import-from page to bundleTransfer step if new instructions not enabled', () => {
-			const { runUseStepNavigationSubmit } = renderFlow( siteMigrationFlow );
-
-			runUseStepNavigationSubmit( {
-				currentStep: STEPS.BUNDLE_TRANSFER.slug,
-				dependencies: {
-					destination: 'migrate',
-				},
-			} );
-
-			expect( getFlowLocation() ).toEqual( {
-				path: `/${ STEPS.PROCESSING.slug }`,
-				state: {
-					bundleProcessing: true,
-				},
-			} );
-		} );
-
 		it( 'migrate redirects from the import-from page to new instructions if flag enabled', () => {
 			const { runUseStepNavigationSubmit } = renderFlow( siteMigrationFlow );
 
-			( config.isEnabled as jest.Mock ).mockImplementation( ( key: string ) =>
-				key === 'migration-flow/remove-processing-step' ? true : originalIsEnabled( key )
-			);
-
 			runUseStepNavigationSubmit( {
 				currentStep: STEPS.SITE_MIGRATION_IMPORT_OR_MIGRATE.slug,
 			} );
@@ -224,7 +195,7 @@ describe( 'Site Migration Flow', () => {
 			} );
 
 			expect( goToCheckout ).toHaveBeenCalledWith( {
-				destination: `/setup/site-migration/${ STEPS.BUNDLE_TRANSFER.slug }?siteSlug=example.wordpress.com&from=https%3A%2F%2Fsite-to-be-migrated.com`,
+				destination: `/setup/site-migration/${ STEPS.SITE_MIGRATION_INSTRUCTIONS_I2.slug }?siteSlug=example.wordpress.com&from=https%3A%2F%2Fsite-to-be-migrated.com`,
 				extraQueryParams: { hosting_intent: HOSTING_INTENT_MIGRATE },
 				flowName: 'site-migration',
 				siteSlug: 'example.wordpress.com',
@@ -258,7 +229,7 @@ describe( 'Site Migration Flow', () => {
 			} );
 
 			expect( getFlowLocation() ).toEqual( {
-				path: '/bundleTransfer',
+				path: `/${ STEPS.SITE_MIGRATION_INSTRUCTIONS_I2.slug }`,
 				state: { siteSlug: 'example.wordpress.com' },
 			} );
 		} );
diff --git a/config/development.json b/config/development.json
index d9880a9ebc1c9..035dfed928df7 100644
--- a/config/development.json
+++ b/config/development.json
@@ -139,7 +139,6 @@
 		"me/account-close": true,
 		"me/account/color-scheme-picker": true,
 		"me/vat-details": true,
-		"migration-flow/remove-processing-step": true,
 		"my-sites/add-ons": true,
 		"network-connection": true,
 		"oauth": false,
diff --git a/config/horizon.json b/config/horizon.json
index 5d452385ea06a..37d8c48800d84 100644
--- a/config/horizon.json
+++ b/config/horizon.json
@@ -86,7 +86,6 @@
 		"marketplace-test": false,
 		"me/account/color-scheme-picker": true,
 		"me/vat-details": true,
-		"migration-flow/remove-processing-step": true,
 		"my-sites/add-ons": true,
 		"network-connection": true,
 		"onboarding/design-choices": true,
diff --git a/config/production.json b/config/production.json
index 11fc4e7e01b87..28a75c4aeece1 100644
--- a/config/production.json
+++ b/config/production.json
@@ -112,7 +112,6 @@
 		"me/account-close": true,
 		"me/account/color-scheme-picker": true,
 		"me/vat-details": true,
-		"migration-flow/remove-processing-step": true,
 		"my-sites/add-ons": true,
 		"onboarding/design-choices": true,
 		"onboarding/import": true,
diff --git a/config/stage.json b/config/stage.json
index 1e4c5ccd8c35e..23e821cfec626 100644
--- a/config/stage.json
+++ b/config/stage.json
@@ -107,7 +107,6 @@
 		"me/account-close": true,
 		"me/account/color-scheme-picker": true,
 		"me/vat-details": true,
-		"migration-flow/remove-processing-step": true,
 		"my-sites/add-ons": true,
 		"onboarding/design-choices": true,
 		"onboarding/import": true,
diff --git a/config/test.json b/config/test.json
index 21852aef4e934..a2da2bd41620a 100644
--- a/config/test.json
+++ b/config/test.json
@@ -83,7 +83,6 @@
 		"marketplace-personal-premium": false,
 		"me/account-close": true,
 		"me/vat-details": true,
-		"migration-flow/remove-processing-step": true,
 		"my-sites/add-ons": true,
 		"network-connection": true,
 		"p2-enabled": false,
diff --git a/config/wpcalypso.json b/config/wpcalypso.json
index 4ae8b47a55852..3bf85f79e5161 100644
--- a/config/wpcalypso.json
+++ b/config/wpcalypso.json
@@ -106,7 +106,6 @@
 		"me/account-close": true,
 		"me/account/color-scheme-picker": true,
 		"me/vat-details": true,
-		"migration-flow/remove-processing-step": true,
 		"my-sites/add-ons": true,
 		"network-connection": true,
 		"onboarding/design-choices": true,