diff --git a/client/signup/controller.js b/client/signup/controller.js
index 579f505862d8b4..8241e3c902c2b1 100644
--- a/client/signup/controller.js
+++ b/client/signup/controller.js
@@ -1,11 +1,11 @@
 import config from '@automattic/calypso-config';
 import page from '@automattic/calypso-router';
+import { isOnboardingFlow } from '@automattic/onboarding';
 import { isEmpty } from 'lodash';
 import { createElement } from 'react';
 import store from 'store';
 import { notFound } from 'calypso/controller';
 import { recordPageView } from 'calypso/lib/analytics/page-view';
-import { loadExperimentAssignment } from 'calypso/lib/explat';
 import { isWooOAuth2Client } from 'calypso/lib/oauth2-clients';
 import { login } from 'calypso/lib/paths';
 import { sectionify } from 'calypso/lib/route';
@@ -32,8 +32,6 @@ import {
 	clearSignupDestinationCookie,
 	getSignupCompleteFlowName,
 	wasSignupCheckoutPageUnloaded,
-	setHasRedirectedForExperiment,
-	getHasRedirectedForExperiment,
 } from './storageUtils';
 import {
 	getStepUrl,
@@ -241,23 +239,7 @@ export default {
 
 		store.set( 'signup-locale', localeFromParams );
 
-		const hasRedirected =
-			context.querystring?.includes( 'redirected_1220=true' ) ||
-			// Check the URL as well because sometimes the context.querystring lags behind the URL.
-			new URLSearchParams( window.location.search ).has( 'redirected_1220' ) ||
-			// Check session storage in case the query parma was omitted.
-			getHasRedirectedForExperiment();
-
-		const isOnboardingFlow = flowName === 'onboarding';
-
-		if ( isOnboardingFlow && ! hasRedirected ) {
-			await loadExperimentAssignment( 'calypso_signup_onboarding_aa_test' );
-			setHasRedirectedForExperiment();
-
-			const stepperOnboardingExperimentAssignment = await loadExperimentAssignment(
-				'calypso_signup_onboarding_stepper_flow_confidence_check_3'
-			);
-
+		if ( isOnboardingFlow( flowName ) ) {
 			setReferrerPolicy();
 			let url =
 				getStepUrl(
@@ -266,10 +248,9 @@ export default {
 					getStepSectionName( context.params ),
 					localeFromParams ?? localeFromStore,
 					null,
-					stepperOnboardingExperimentAssignment.variationName === 'stepper' ? '/setup' : '/start'
+					'/setup'
 				) +
-				'?redirected_1220=true' +
-				( context.querystring ? '&' + context.querystring : '' ) +
+				( context.querystring ? '?' + context.querystring : '' ) +
 				( context.hashstring ? '#' + context.hashstring : '' );
 
 			if ( document.referrer ) {
diff --git a/client/signup/storageUtils.js b/client/signup/storageUtils.js
index 81544f99460d9a..b914ae9509afde 100644
--- a/client/signup/storageUtils.js
+++ b/client/signup/storageUtils.js
@@ -61,21 +61,6 @@ export const setSignupCheckoutPageUnloaded = ( value ) =>
 export const getSignupCompleteFlowName = () =>
 	ignoreFatalsForStorage( () => sessionStorage?.getItem( 'wpcom_signup_complete_flow_name' ) );
 
-export const getHasRedirectedForExperiment = () =>
-	ignoreFatalsForStorage( () =>
-		sessionStorage?.getItem(
-			'wpcom_redirected_calypso_signup_onboarding_stepper_flow_confidence_check_2'
-		)
-	);
-
-export const setHasRedirectedForExperiment = () =>
-	ignoreFatalsForStorage( () =>
-		sessionStorage?.setItem(
-			'wpcom_redirected_calypso_signup_onboarding_stepper_flow_confidence_check_2',
-			'1'
-		)
-	);
-
 export const setSignupCompleteFlowName = ( value ) =>
 	ignoreFatalsForStorage( () =>
 		sessionStorage?.setItem( 'wpcom_signup_complete_flow_name', value )