chore(auth&payments): Remove feature flag

2023-08-07 10:29:59 -04:00 · 2023-08-07 10:29:59 -04:00 · a39d69372b
--- a/packages/fxa-auth-server/config/index.ts
+++ b/packages/fxa-auth-server/config/index.ts
@ -903,14 +903,6 @@ const convictConf = convict({
      format: String,
      doc: 'Stripe API key for direct Stripe integration',
    },
-    stripeInvoiceImmediately: {
-      enabled: {
-        default: false,
-        doc: 'Enables immediate invoicing for stripe in all subscription upgrades',
-        env: 'SUBSCRIPTIONS_STRIPE_INVOICE_IMMEDIATELY',
-        format: Boolean,
-      },
-    },
    stripeWebhookPayloadLimit: {
      default: 1048576,
      env: 'STRIPE_WEBHOOK_PAYLOAD_LIMIT',
--- a/packages/fxa-auth-server/lib/payments/stripe-formatter.ts
+++ b/packages/fxa-auth-server/lib/payments/stripe-formatter.ts
@ -4,7 +4,6 @@
 import * as invoiceDTO from 'fxa-shared/dto/auth/payments/invoice';
 import { InvoicePreview } from 'fxa-shared/subscriptions/types';
 import { Stripe } from 'stripe';
-import { config } from '../../config';

 /**
 * Formats a Stripe Invoice to the FirstInvoicePreview DTO format.
@ -51,10 +50,7 @@ export function stripeInvoiceToFirstInvoicePreviewDTO(
    };
  }

-  if (
-    invoice[1] &&
-    config.getProperties().subscriptions.stripeInvoiceImmediately
-  ) {
+  if (invoice[1]) {
    const proration = invoice[1].lines.data.find(
      (lineItem) => lineItem.proration
    );
--- a/packages/fxa-auth-server/lib/payments/stripe.ts
+++ b/packages/fxa-auth-server/lib/payments/stripe.ts
@ -689,11 +689,7 @@ export class StripeHelper extends StripeHelperBase {
      );

      let proratedInvoice;
-      if (
-        isUpgrade &&
-        requestObject.subscription_items?.length &&
-        this.config.subscriptions.stripeInvoiceImmediately
-      ) {
+      if (isUpgrade && requestObject.subscription_items?.length) {
        try {
          requestObject.subscription_proration_behavior = 'always_invoice';
          requestObject.subscription_proration_date = Math.floor(
@ -1454,7 +1450,10 @@ export class StripeHelper extends StripeHelperBase {
      expand: ['data.customer', 'data.subscription'],
    })) {
      const subscription = invoice.subscription as Stripe.Subscription;
-      if (subscription && ACTIVE_SUBSCRIPTION_STATUSES.includes(subscription.status)) {
+      if (
+        subscription &&
+        ACTIVE_SUBSCRIPTION_STATUSES.includes(subscription.status)
+      ) {
        yield invoice;
      }
    }
@ -1974,11 +1973,6 @@ export class StripeHelper extends StripeHelperBase {
      plan_change_date: moment().unix(),
    };

-    const prorationBehavior = this.config.subscriptions.stripeInvoiceImmediately
-      .enabled
-      ? 'always_invoice'
-      : 'create_prorations';
-
    const updatedSubscription = await this.updateSubscriptionAndBackfill(
      subscription,
      {
@ -1989,7 +1983,7 @@ export class StripeHelper extends StripeHelperBase {
            plan: newPlanId,
          },
        ],
-        proration_behavior: prorationBehavior,
+        proration_behavior: 'always_invoice',
        metadata: updatedMetadata,
      }
    );
@ -3137,7 +3131,6 @@ export class StripeHelper extends StripeHelperBase {
      id: invoiceId,
      number: invoiceNumber,
      currency: paymentProratedCurrency,
-      total: invoiceTotalNewInCents,
      amount_due: invoiceAmountDue,
    } = invoice;

@ -3164,87 +3157,8 @@ export class StripeHelper extends StripeHelperBase {
          subscriptionId: subscription.id,
        });

-    const {
-      total: nextInvoiceTotal,
-      currency: nextInvoiceCurrency,
-      lines: nextInvoiceLines,
-    } = nextInvoice || {};
-
-    // https://stripe.com/docs/api/invoices/object#invoice_object-lines
-    // as per the Stripe docs, one of the individual line items includes
-    // new plan pricing and tax information without additional fees
-    const upcomingInvoiceLineItem = nextInvoiceLines?.data?.find(
-      (line) => line.type === 'subscription'
-    );
-
-    const {
-      amount: upcomingInvoiceAmount,
-      discount_amounts: upcomingInvoiceDiscountAmounts,
-      tax_amounts: upcomingInvoiceTaxAmounts,
-    } = upcomingInvoiceLineItem || {};
-
-    const {
-      productPaymentCycleNew: productPaymentCycleNew,
-      invoiceTotalOldInCents: invoiceTotalOldInCents,
-    } = baseDetails;
-
-    // remove everything between asterisk in FXA-7796
-    // **************** //
-    const sameBillingCycle = productPaymentCycleOld === productPaymentCycleNew;
-    const sameBillingCondition = sameBillingCycle && !!upcomingInvoiceLineItem;
-
-    const invoiceImmediately =
-      this.config.subscriptions.stripeInvoiceImmediately.enabled;
-
-    // used for newTotalInCents
-    const newListPriceTotalWithoutTax =
-      sameBillingCondition && !!upcomingInvoiceAmount
-        ? upcomingInvoiceAmount
-        : undefined;
-
-    // used for newTotalInCents
-    const newListPriceDiscounts =
-      (sameBillingCondition &&
-        upcomingInvoiceDiscountAmounts?.reduce(
-          (acc, discount) =>
-            discount.amount ? acc + discount.amount : acc + 0,
-          0
-        )) ||
-      0;
-
-    // used for newTotalInCents
-    const newListPriceTotalTaxes = sameBillingCondition
-      ? upcomingInvoiceTaxAmounts?.reduce(
-          (acc, tax) => (tax.inclusive ? acc + 0 : acc + tax.amount),
-          0
-        )
-      : undefined;
-
-    // if same billing cycle and line item exists, add amount and tax for new total
-    // else return the next invoice total
-    const newTotalInCents =
-      sameBillingCycle &&
-      !!newListPriceTotalWithoutTax &&
-      !!newListPriceTotalTaxes
-        ? newListPriceTotalWithoutTax -
-          newListPriceDiscounts +
-          newListPriceTotalTaxes
-        : nextInvoiceTotal;
-
-    // calculated proration
-    // if same billing cycle, return next invoice total minus new plan price
-    // else return amount due on current invoice
-    const paymentProratedInCents = sameBillingCycle
-      ? nextInvoiceTotal - newTotalInCents
-      : invoiceAmountDue;
-
-    // calculated old total
-    // if same billing cycle, get new invoiceTotal
-    // else get current invoiceTotal
-    const oldTotalInCents = sameBillingCycle
-      ? invoiceTotalNewInCents
-      : invoiceTotalOldInCents;
-    // **************** //
+    const { total: nextInvoiceTotal, currency: nextInvoiceCurrency } =
+      nextInvoice || {};

    return {
      ...baseDetails,
@ -3253,25 +3167,14 @@ export class StripeHelper extends StripeHelperBase {
      productNameOld,
      productIconURLOld,
      productPaymentCycleOld,
-      // remove condition and keep invoiceTotalOldInCents as value in FXA-7796
-      paymentAmountOldInCents: !invoiceImmediately
-        ? oldTotalInCents
-        : invoiceTotalOldInCents,
+      paymentAmountOldInCents: baseDetails.invoiceTotalOldInCents,
      paymentAmountOldCurrency: planOld.currency,
-      // remove condition and keep nextInvoiceTotal as value in FXA-7796
-      paymentAmountNewInCents: !invoiceImmediately
-        ? newTotalInCents
-        : nextInvoiceTotal,
+      paymentAmountNewInCents: nextInvoiceTotal,
      paymentAmountNewCurrency: nextInvoiceCurrency,
      invoiceNumber,
      invoiceId,
-      // remove condition and keep invoiceAmountDue as value in FXA-7796
-      paymentProratedInCents: !invoiceImmediately
-        ? paymentProratedInCents
-        : invoiceAmountDue,
+      paymentProratedInCents: invoiceAmountDue,
      paymentProratedCurrency,
-      // remove in FXA-7796
-      invoiceImmediately: invoiceImmediately,
    };
  }

--- a/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/en.ftl
+++ b/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/en.ftl
@ -14,8 +14,6 @@ subscriptionUpgrade-upgrade-info = You have successfully upgraded from { $produc
 # $productPaymentCycleNew (String) - The interval of time from the end of one payment statement date to the next payment statement date of the new subscription, e.g. month
 # $productPaymentCycleOld (String) - The interval of time from the end of one payment statement date to the next payment statement date of the old subscription, e.g. month
 # $paymentProrated (String) - The one time fee to reflect the higher charge for the remainder of the payment cycle, including currency, e.g. $10.00
-# remove subscriptionUpgrade-content-charge-info in FXA-7796; additionally remove in subscriptionUpgrade/index.txt
-subscriptionUpgrade-content-charge-info = Starting with your next bill, your charge will change from { $paymentAmountOld } per { $productPaymentCycleOld } to { $paymentAmountNew } per { $productPaymentCycleNew }. At that time you will also be charged a one-time fee of { $paymentProrated } to reflect the higher charge for the remainder of this { $productPaymentCycleOld }.
 subscriptionUpgrade-content-charge-info-different-cycle = You will be charged a one-time fee of { $paymentProrated } to reflect your subscription’s higher price for the remainder of this { $productPaymentCycleOld }. Starting with your next bill, your charge will change from { $paymentAmountOld } per { $productPaymentCycleOld } to { $paymentAmountNew } per { $productPaymentCycleNew }.

 # Variables:
--- a/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/index.mjml
+++ b/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/index.mjml
@ -9,22 +9,15 @@
    <mj-text css-class="text-header">
      <span data-l10n-id="subscriptionUpgrade-title">Thank you for upgrading!</span>
    </mj-text>
-  </mj-column>
-</mj-section>

-<mj-section>
-  <mj-column>
    <mj-text css-class="text-body">
      <span data-l10n-id="subscriptionUpgrade-upgrade-info" data-l10n-args="<%= JSON.stringify({productName, productNameOld}) %>">You have successfully upgraded from <%- productNameOld %> to <%- productName %>.</span>
    </mj-text>

    <mj-text css-class="text-body">
-      <% if (!locals.invoiceImmediately && locals.productPaymentCycleOld === locals.productPaymentCycleNew) { %>
-        <span data-l10n-id="subscriptionUpgrade-content-charge-info" data-l10n-args="<%= JSON.stringify({paymentAmountNew, paymentAmountOld, paymentProrated, productPaymentCycleNew, productPaymentCycleOld}) %>">Starting with your next bill, your charge will change from <%- paymentAmountOld %> per <%- productPaymentCycleOld %> to <%- paymentAmountNew %> per <%- productPaymentCycleNew %>. At that time you will also be charged a one-time fee of <%- paymentProrated %> to reflect the higher charge for the remainder of this <%- productPaymentCycleOld %>.</span>
-      <% } else { %>
-        <span data-l10n-id="subscriptionUpgrade-content-charge-info-different-cycle" data-l10n-args="<%= JSON.stringify({paymentAmountNew, paymentAmountOld, paymentProrated, productPaymentCycleNew, productPaymentCycleOld}) %>">You will be charged a one-time fee of <%- paymentProrated %> to reflect your subscription’s higher price for the remainder of this <%- productPaymentCycleOld %>. Starting with your next bill, your charge will change from <%- paymentAmountOld %> per <%- productPaymentCycleOld %> to <%- paymentAmountNew %> per <%- productPaymentCycleNew %>.</span>
-      <% } %>
+      <span data-l10n-id="subscriptionUpgrade-content-charge-info-different-cycle" data-l10n-args="<%= JSON.stringify({paymentAmountNew, paymentAmountOld, paymentProrated, productPaymentCycleNew, productPaymentCycleOld}) %>">You will be charged a one-time fee of <%- paymentProrated %> to reflect your subscription’s higher price for the remainder of this <%- productPaymentCycleOld %>. Starting with your next bill, your charge will change from <%- paymentAmountOld %> per <%- productPaymentCycleOld %> to <%- paymentAmountNew %> per <%- productPaymentCycleNew %>.</span>
    </mj-text>
+
    <mj-text css-class="text-body">
      <span data-l10n-id="subscriptionUpgrade-install" data-l10n-args="<%= JSON.stringify({productName}) %>">If there is new software for you to install in order to use <%- productName %>, you will receive a separate email with download instructions.</span>
    </mj-text>
--- a/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/index.stories.ts
+++ b/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/index.stories.ts
@ -29,20 +29,3 @@ const createStory = subplatStoryWithProps(
 );

 export const Default = createStory();
-
-// remove in FXA-7796
-export const SubscriptionUpgradeDifferentBillingCycle = createStory(
-  {},
-  'Subscription upgrade - differnt billing cycle'
-);
-
-// remove in FXA-7796
-export const SubscriptionUpgradeSameBillingCycle = createStory(
-  {
-    paymentAmountNew: '£123,121.00',
-    paymentAmountOld: '¥99,991',
-    productPaymentCycleNew: 'month',
-    paymentProrated: '$5,231.00',
-  },
-  'Subscription upgrade - same billing cycle'
-);
--- a/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/index.txt
+++ b/packages/fxa-auth-server/lib/senders/emails/templates/subscriptionUpgrade/index.txt
@ -4,7 +4,7 @@ subscriptionUpgrade-title = "Thank you for upgrading!"

 subscriptionUpgrade-upgrade-info = "You have successfully upgraded from <%- productNameOld %> to <%- productName %>."

-<% if (locals.productPaymentCycleOld === locals.productPaymentCycleNew) { %>subscriptionUpgrade-content-charge-info = "Starting with your next bill, your charge will change from <%- paymentAmountOld %> per <%- productPaymentCycleOld %> to <%- paymentAmountNew %> per <%- productPaymentCycleNew %>. At that time you will also be charged a one-time fee of <%- paymentProrated %> to reflect the higher charge for the remainder of this <%- productPaymentCycleOld %>."<% } else { %>subscriptionUpgrade-content-charge-info-different-cycle = "You will be charged a one-time fee of <%- paymentProrated %> to reflect your subscription’s higher price for the remainder of this <%- productPaymentCycleOld %>. Starting with your next bill, your charge will change from <%- paymentAmountOld %> per <%- productPaymentCycleOld %> to <%- paymentAmountNew %> per <%- productPaymentCycleNew %>."<% } %>
+subscriptionUpgrade-content-charge-info-different-cycle = "You will be charged a one-time fee of <%- paymentProrated %> to reflect your subscription’s higher price for the remainder of this <%- productPaymentCycleOld %>. Starting with your next bill, your charge will change from <%- paymentAmountOld %> per <%- productPaymentCycleOld %> to <%- paymentAmountNew %> per <%- productPaymentCycleNew %>."

 subscriptionUpgrade-install = "If there is new software for you to install in order to use <%- productName %>, you will receive a separate email with download instructions."

--- a/packages/fxa-auth-server/test/local/payments/stripe.js
+++ b/packages/fxa-auth-server/test/local/payments/stripe.js
@ -129,7 +129,6 @@ const mockConfig = {
  subscriptions: {
    cacheTtlSeconds: 10,
    productConfigsFirestore: { enabled: true },
-    stripeInvoiceImmediately: { enabled: false },
    stripeApiKey: 'sk_test_4eC39HqLyjWDarjtT1zdp7dc',
  },
  subhub: {
@ -2093,7 +2092,6 @@ describe('#integration - StripeHelper', () => {
    });

    it('retrieves both upcoming invoices with and without proration info', async () => {
-      stripeHelper.config.subscriptions.stripeInvoiceImmediately.enabled = true;
      const stripeStub = sandbox
        .stub(stripeHelper.stripe.invoices, 'retrieveUpcoming')
        .resolves();
@ -2134,8 +2132,6 @@ describe('#integration - StripeHelper', () => {
        ],
        expand: ['total_tax_amounts.tax_rate'],
      });
-
-      stripeHelper.config.subscriptions.stripeInvoiceImmediately.enabled = false;
    });
  });

@ -3633,7 +3629,7 @@ describe('#integration - StripeHelper', () => {
              plan: 'plan_G93mMKnIFCjZek',
            },
          ],
-          proration_behavior: 'create_prorations',
+          proration_behavior: 'always_invoice',
          metadata: {
            key: 'value',
            previous_plan_id: subscription1.items.data[0].plan.id,
@ -3659,49 +3655,6 @@ describe('#integration - StripeHelper', () => {
      assert.equal(thrown.errno, error.ERRNO.SUBSCRIPTION_ALREADY_CHANGED);
      sinon.assert.notCalled(stripeHelper.updateSubscriptionAndBackfill);
    });
-
-    it(`uses 'always_invoice' when the config is enabled`, async () => {
-      stripeHelper.config.subscriptions.stripeInvoiceImmediately.enabled = true;
-
-      const unixTimestamp = moment().unix();
-      const subscription = deepCopy(subscription1);
-      subscription.metadata = {
-        key: 'value',
-        previous_plan_id: 'plan_123',
-        plan_change_date: 12345678,
-      };
-
-      sandbox.stub(moment, 'unix').returns(unixTimestamp);
-      sandbox
-        .stub(stripeHelper, 'updateSubscriptionAndBackfill')
-        .resolves(subscription2);
-
-      const actual = await stripeHelper.changeSubscriptionPlan(
-        subscription,
-        'plan_G93mMKnIFCjZek'
-      );
-
-      assert.deepEqual(actual, subscription2);
-      sinon.assert.calledWithExactly(
-        stripeHelper.updateSubscriptionAndBackfill,
-        subscription,
-        {
-          cancel_at_period_end: false,
-          items: [
-            {
-              id: subscription1.items.data[0].id,
-              plan: 'plan_G93mMKnIFCjZek',
-            },
-          ],
-          proration_behavior: 'always_invoice',
-          metadata: {
-            key: 'value',
-            previous_plan_id: subscription1.items.data[0].plan.id,
-            plan_change_date: unixTimestamp,
-          },
-        }
-      );
-    });
  });

  describe('cancelSubscriptionForCustomer', () => {
@ -5963,8 +5916,6 @@ describe('#integration - StripeHelper', () => {
          const event = deepCopy(eventCustomerSubscriptionUpdated);
          const productIdOld = event.data.previous_attributes.plan.product;
          const productIdNew = event.data.object.plan.product;
-          const invoiceImmediately =
-            stripeHelper.config.subscriptions.stripeInvoiceImmediately.enabled;

          const baseDetails = {
            ...expectedBaseUpdateDetails,
@ -6038,29 +5989,13 @@ describe('#integration - StripeHelper', () => {
              event.data.previous_attributes.plan.interval,
            paymentAmountOldCurrency:
              event.data.previous_attributes.plan.currency,
-            paymentAmountOldInCents:
-              upcomingInvoice && upcomingInvoice.total && !invoiceImmediately
-                ? upcomingInvoice.total
-                : baseDetails.invoiceTotalOldInCents,
-            paymentAmountNewCurrency:
-              upcomingInvoice && upcomingInvoice.currency && !invoiceImmediately
-                ? upcomingInvoice.currency
-                : mockInvoice.currency,
-            paymentAmountNewInCents:
-              upcomingInvoice && upcomingInvoice.total && !invoiceImmediately
-                ? upcomingInvoice.total
-                : mockInvoice.total,
-            paymentProratedCurrency:
-              upcomingInvoice && upcomingInvoice.currency && !invoiceImmediately
-                ? upcomingInvoice.currency
-                : mockInvoice.currency,
-            paymentProratedInCents:
-              upcomingInvoice && !invoiceImmediately
-                ? expectedPaymentProratedInCents
-                : mockInvoice.amount_due,
+            paymentAmountOldInCents: baseDetails.invoiceTotalOldInCents,
+            paymentAmountNewCurrency: upcomingInvoice.currency,
+            paymentAmountNewInCents: upcomingInvoice.total,
+            paymentProratedCurrency: mockInvoice.currency,
+            paymentProratedInCents: mockInvoice.amount_due,
            invoiceNumber: mockInvoice.number,
            invoiceId: mockInvoice.id,
-            invoiceImmediately: invoiceImmediately,
          });
        };

--- a/packages/fxa-auth-server/test/local/senders/emails.ts
+++ b/packages/fxa-auth-server/test/local/senders/emails.ts
@ -2300,7 +2300,7 @@ const TESTS: [string, any, Record<string, any>?][] = [
  ]), {updateTemplateValues: x => (
    {...x, discountType: 'repeating', discountDuration: 3})}
  ],
-  // subscription upgrade email for different billing cycle
+
  ['subscriptionUpgradeEmail', new Map<string, Test | any>([
    ['subject', { test: 'equal', expected: `You have upgraded to ${MESSAGE.productNameNew}` }],
    ['headers', new Map([
@ -2333,39 +2333,6 @@ const TESTS: [string, any, Record<string, any>?][] = [
  ]), {updateTemplateValues: x => (
    {...x, productName: MESSAGE.productNameNew })}
  ],
-  // subscription upgrade email for same billing cycle
-  ['subscriptionUpgradeEmail', new Map<string, Test | any>([
-    ['subject', { test: 'equal', expected: `You have upgraded to ${MESSAGE.productNameNew}` }],
-    ['headers', new Map([
-      ['X-SES-MESSAGE-TAGS', { test: 'equal', expected: sesMessageTagsHeaderValue('subscriptionUpgrade') }],
-      ['X-Template-Name', { test: 'equal', expected: 'subscriptionUpgrade' }],
-      ['X-Template-Version', { test: 'equal', expected: TEMPLATE_VERSIONS.subscriptionUpgrade }],
-    ])],
-    ['html', [
-      { test: 'include', expected: `You have upgraded to ${MESSAGE.productNameNew}` },
-      { test: 'include', expected: 'Thank you for upgrading!' },
-      { test: 'include', expected: decodeUrl(configHref('subscriptionSettingsUrl', 'subscription-upgrade', 'cancel-subscription', 'plan_id', 'product_id', 'uid', 'email')) },
-      { test: 'include', expected: decodeUrl(configHref('subscriptionTermsUrl', 'subscription-upgrade', 'subscription-terms')) },
-      { test: 'include', expected: `from ${MESSAGE.productNameOld} to ${MESSAGE.productNameNew}.` },
-      { test: 'include', expected: `from ${MESSAGE_FORMATTED.paymentAmountOld} per ${MESSAGE.productPaymentCycleOld} to ${MESSAGE_FORMATTED.paymentAmountNew} per ${MESSAGE.productPaymentCycleOld}.` },
-      { test: 'include', expected: `one-time fee of ${MESSAGE_FORMATTED.paymentProrated} to reflect the higher charge for the remainder of this ${MESSAGE.productPaymentCycleOld}.` },
-      { test: 'include', expected: `to use ${MESSAGE.productNameNew},` },
-      { test: 'notInclude', expected: `one-time fee of ${MESSAGE_FORMATTED.paymentProrated} to reflect your subscription’s higher price for the remainder of this ${MESSAGE.productPaymentCycleOld}.` },
-      { test: 'notInclude', expected: 'utm_source=email' },
-    ]],
-    ['text', [
-      { test: 'include', expected: `You have upgraded to ${MESSAGE.productNameNew}` },
-      { test: 'include', expected: 'Thank you for upgrading!' },
-      { test: 'include', expected: `from ${MESSAGE.productNameOld} to ${MESSAGE.productNameNew}.` },
-      { test: 'include', expected: `from ${MESSAGE_FORMATTED.paymentAmountOld} per ${MESSAGE.productPaymentCycleOld} to ${MESSAGE_FORMATTED.paymentAmountNew} per ${MESSAGE.productPaymentCycleOld}.` },
-      { test: 'include', expected: `one-time fee of ${MESSAGE_FORMATTED.paymentProrated} to reflect the higher charge for the remainder of this ${MESSAGE.productPaymentCycleOld}.` },
-      { test: 'include', expected: `to use ${MESSAGE.productNameNew},` },
-      { test: 'notInclude', expected: `one-time fee of ${MESSAGE_FORMATTED.paymentProrated} to reflect your subscription’s higher price for the remainder of this ${MESSAGE.productPaymentCycleOld}.` },
-      { test: 'notInclude', expected: 'utm_source=email' },
-    ]]
-  ]), {updateTemplateValues: x => (
-    {...x, productName: MESSAGE.productNameNew, productPaymentCycleNew: MESSAGE.productPaymentCycleOld })}
-  ],

  // Template partial specific tests (choose a template containing the partial)
  ['verifyLoginEmail', new Map<string, Test | any>([
--- a/packages/fxa-payments-server/server/config/index.js
+++ b/packages/fxa-payments-server/server/config/index.js
@ -24,12 +24,6 @@ const conf = convict({
      env: 'SUBSCRIPTIONS_STRIPE_TAX_ENABLED',
      format: Boolean,
    },
-    useStripeInvoiceImmediately: {
-      default: false,
-      doc: 'Enables immediate invoicing for stripe in all subscription upgrades',
-      env: 'SUBSCRIPTIONS_STRIPE_INVOICE_IMMEDIATELY',
-      format: Boolean,
-    }
  },
  amplitude: {
    enabled: {
--- a/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/PlanUpgradeDetails.tsx
+++ b/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/PlanUpgradeDetails.tsx
@ -44,7 +44,6 @@ export const PlanUpgradeDetails = ({
  const role = isMobile ? undefined : 'complementary';

  const showTax = config.featureFlags.useStripeAutomaticTax;
-  const invoiceImmediately = config.featureFlags.useStripeInvoiceImmediately;

  const exclusiveTaxRates =
    invoicePreview.tax?.filter(
@ -77,26 +76,20 @@ export const PlanUpgradeDetails = ({
        {showTax && !!subTotal && !!exclusiveTaxRates.length && (
          <>
            <div className="plan-details-item">
-              {invoiceImmediately ? (
-                <Localized
-                  id={`sub-update-new-plan-${formattedInterval}`}
-                  vars={{
-                    productName: productDetails.name || product_name,
-                  }}
-                >
-                  <div>
-                    {productDetails.name || product_name} (
-                    {formattedInterval.replace(/\w/, (firstLetter) =>
-                      firstLetter.toUpperCase()
-                    )}
-                    )
-                  </div>
-                </Localized>
-              ) : (
-                <Localized id="plan-details-list-price">
-                  <div>List Price</div>
-                </Localized>
-              )}
+              <Localized
+                id={`sub-update-new-plan-${formattedInterval}`}
+                vars={{
+                  productName: productDetails.name || product_name,
+                }}
+              >
+                <div data-testid={`sub-update-new-plan-${formattedInterval}`}>
+                  {productDetails.name || product_name} (
+                  {formattedInterval.replace(/\w/, (firstLetter) =>
+                    firstLetter.toUpperCase()
+                  )}
+                  )
+                </div>
+              </Localized>

              <PriceDetails
                total={subTotal}
@ -150,13 +143,18 @@ export const PlanUpgradeDetails = ({
          </div>
        )}

-        {invoiceImmediately && oneTimeCharge && (
+        {oneTimeCharge && (
          <>
            <hr className="m-0 my-5 unit-row-hr" />

            <div className="plan-details-item font-semibold mt-5">
              <Localized id="sub-update-prorated-upgrade">
-                <div className="total-label">Prorated Upgrade</div>
+                <div
+                  className="total-label"
+                  data-testid="sub-update-prorated-upgrade"
+                >
+                  Prorated Upgrade
+                </div>
              </Localized>

              <PriceDetails
--- a/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/en.ftl
+++ b/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/en.ftl
@ -2,10 +2,6 @@

 product-plan-change-heading = Review your change
 sub-change-failed = Plan change failed
-sub-update-copy =
-    Your plan will change immediately, and you’ll be charged an adjusted
-    amount for the rest of your billing cycle. Starting { $startingDate }
-    you’ll be charged the full amount.
 sub-update-acknowledgment =
    Your plan will change immediately, and you’ll be charged a prorated
    amount today for the rest of this billing cycle. Starting { $startingDate }
--- a/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/index.stories.tsx
+++ b/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/index.stories.tsx
@ -148,7 +148,6 @@ export const Default = storyWithContext({
      ...defaultAppContext.config,
      featureFlags: {
        useStripeAutomaticTax: true,
-        useStripeInvoiceImmediately: true,
      },
    },
  },
@ -167,7 +166,6 @@ export const DefaultWithInclusiveTax = storyWithContext({
      ...defaultAppContext.config,
      featureFlags: {
        useStripeAutomaticTax: true,
-        useStripeInvoiceImmediately: true,
      },
    },
  },
@ -186,7 +184,6 @@ export const DefaultWithExclusiveTax = storyWithContext({
      ...defaultAppContext.config,
      featureFlags: {
        useStripeAutomaticTax: true,
-        useStripeInvoiceImmediately: true,
      },
    },
  },
@ -205,7 +202,6 @@ export const MultipleWithExclusiveTax = storyWithContext({
      ...defaultAppContext.config,
      featureFlags: {
        useStripeAutomaticTax: true,
-        useStripeInvoiceImmediately: true,
      },
    },
  },
@ -221,9 +217,6 @@ export const LocalizedToPirate = storyWithContext({
    navigatorLanguages: ['xx-pirate'],
    config: {
      ...defaultAppContext.config,
-      featureFlags: {
-        useStripeInvoiceImmediately: true,
-      },
    },
  },
 });
@ -241,9 +234,6 @@ export const Submitting = storyWithContext({
    ...defaultAppContext,
    config: {
      ...defaultAppContext.config,
-      featureFlags: {
-        useStripeInvoiceImmediately: true,
-      },
    },
  },
 });
@ -265,9 +255,6 @@ export const InternalServerError = storyWithContext({
    ...defaultAppContext,
    config: {
      ...defaultAppContext.config,
-      featureFlags: {
-        useStripeInvoiceImmediately: true,
-      },
    },
  },
 });
--- a/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/index.test.tsx
+++ b/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/index.test.tsx
@ -44,7 +44,7 @@ import {
  getLocalizedDateString,
 } from '../../../lib/formats';
 import { WebSubscription } from 'fxa-shared/subscriptions/types';
-import { config, updateConfig } from '../../../lib/config';
+import { updateConfig } from '../../../lib/config';
 import { deepCopy } from '../../../lib/test-utils';

 jest.mock('../../../lib/sentry');
@ -100,30 +100,29 @@ async function rendersAsExpected(
  expect(queryByTestId('plan-upgrade-subtotal')).not.toBeInTheDocument();
  expect(queryByTestId('plan-upgrade-tax-amount')).not.toBeInTheDocument();

-  if (config.featureFlags.useStripeInvoiceImmediately) {
-    expect(queryByTestId('sub-update-acknowledgment')).toHaveTextContent(
-      expectedInvoiceDate
-    );
+  expect(queryByTestId('sub-update-acknowledgment')).toHaveTextContent(
+    expectedInvoiceDate
+  );
+
+  // <Product Name (Interval)> (e.g. Better Upgrade Product (Monthly))
+  // only appears when there is exclusive tax
+  if (
+    invoicePreview?.subtotal_excluding_tax ||
+    invoicePreview?.total_excluding_tax
+  ) {
    expect(
      queryByTestId(`sub-update-new-plan-${selectedPlan.interval}`)
    ).toBeInTheDocument();
+  }

-    if (
-      !!invoicePreview.one_time_charge &&
-      invoicePreview.one_time_charge > 0
-    ) {
-      expect(queryByTestId('sub-update-prorated-upgrade')).toBeInTheDocument();
-      expect(queryByTestId('prorated-amount')).toBeInTheDocument();
-    } else {
-      expect(
-        queryByTestId('sub-update-prorated-upgrade')
-      ).not.toBeInTheDocument();
-      expect(queryByTestId('prorated-amount')).not.toBeInTheDocument();
-    }
+  if (!!invoicePreview.one_time_charge && invoicePreview.one_time_charge > 0) {
+    expect(queryByTestId('sub-update-prorated-upgrade')).toBeInTheDocument();
+    expect(queryByTestId('prorated-amount')).toBeInTheDocument();
  } else {
-    expect(queryByTestId('sub-update-copy')).toHaveTextContent(
-      expectedInvoiceDate
-    );
+    expect(
+      queryByTestId('sub-update-prorated-upgrade')
+    ).not.toBeInTheDocument();
+    expect(queryByTestId('prorated-amount')).not.toBeInTheDocument();
  }
 }

--- a/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/index.tsx
+++ b/packages/fxa-payments-server/src/routes/Product/SubscriptionUpgrade/index.tsx
@ -1,11 +1,10 @@
-import React, { useCallback, useEffect, useState, useContext } from 'react';
+import React, { useCallback, useEffect, useState } from 'react';
 import { Localized } from '@fluent/react';

 import { Plan, Customer, Profile } from '../../../store/types';
 import { SelectorReturns } from '../../../store/selectors';

 import * as Amplitude from '../../../lib/amplitude';
-import AppContext from '../../../lib/AppContext';

 import { getLocalizedDate, getLocalizedDateString } from '../../../lib/formats';
 import { useCallbackOnce } from '../../../lib/hooks';
@ -61,7 +60,6 @@ export const SubscriptionUpgrade = ({
  resetUpdateSubscriptionPlan,
  discount,
 }: SubscriptionUpgradeProps) => {
-  const { config } = useContext(AppContext);
  const ariaLabelledBy = 'error-plan-change-failed-header';
  const ariaDescribedBy = 'error-plan-change-failed-description';
  const validator = useValidatorState();
@ -201,35 +199,21 @@ export const SubscriptionUpgrade = ({
            {...{ validator, onSubmit }}
          >
            <hr className="my-6" />
-            {config.featureFlags.useStripeInvoiceImmediately ? (
-              <Localized
-                id="sub-update-acknowledgment"
-                vars={{
-                  startingDate: getLocalizedDate(nextInvoiceDate),
-                }}
-              >
-                <p data-testid="sub-update-acknowledgment">
-                  Your plan will change immediately, and you’ll be charged a
-                  prorated amount today for the rest of this billing cycle.
-                  Starting {getLocalizedDateString(nextInvoiceDate)} you’ll be
-                  charged the full amount.
-                </p>
-              </Localized>
-            ) : (
-              <Localized
-                id="sub-update-copy"
-                vars={{
-                  startingDate: getLocalizedDate(nextInvoiceDate),
-                }}
-              >
-                <p data-testid="sub-update-copy">
-                  Your plan will change immediately, and you’ll be charged an
-                  adjusted amount for the rest of your billing cycle. Starting
-                  {getLocalizedDateString(nextInvoiceDate)} you’ll be charged
-                  the full amount.
-                </p>
-              </Localized>
-            )}
+
+            <Localized
+              id="sub-update-acknowledgment"
+              vars={{
+                startingDate: getLocalizedDate(nextInvoiceDate),
+              }}
+            >
+              <p data-testid="sub-update-acknowledgment">
+                Your plan will change immediately, and you’ll be charged a
+                prorated amount today for the rest of this billing cycle.
+                Starting {getLocalizedDateString(nextInvoiceDate)} you’ll be
+                charged the full amount.
+              </p>
+            </Localized>
+
            <hr className="my-6" />

            <PaymentConsentCheckbox
--- a/packages/fxa-shared/payments/stripe.ts
+++ b/packages/fxa-shared/payments/stripe.ts
@ -82,9 +82,6 @@ export type StripeHelperConfig = {
    productConfigsFirestore: {
      enabled: boolean;
    };
-    stripeInvoiceImmediately: {
-      enabled: boolean;
-    };
  };
  authFirestore: {
    prefix: string;