diff --git a/templates/corporate/upgrade.html b/templates/corporate/upgrade.html
index 578d838537..4024e53249 100644
--- a/templates/corporate/upgrade.html
+++ b/templates/corporate/upgrade.html
@@ -127,69 +127,6 @@
                             </form>
                         </div>
                     </div>
-
-                    <div id="invoice">
-                        <div id="invoice-error" class="alert alert-danger"></div>
-                        <div id="invoice-input-section">
-                            <form id="invoice-form" method="post">
-                                {% if onboarding and free_trial_days %}
-                                <p><b>Not ready to start your trial?</b> <a href="/">Continue with the Zulip Cloud Free plan</a>.</p>
-                                <hr />
-                                <h2>Zulip Cloud Standard free trial</h2>
-                                {% endif %}
-                                <input type="hidden" name="signed_seat_count" value="{{ signed_seat_count }}" />
-                                <input type="hidden" name="salt" value="{{ salt }}" />
-                                <input type="hidden" name="billing_modality" value="send_invoice" />
-                                <div class="payment-schedule">
-                                    <h3>{{ _("Payment schedule") }}</h3>
-                                    <label>
-                                        <input type="radio" name="schedule" value="annual" checked />
-                                        <div class="box">
-                                            <div class="schedule-time annually">{{ _("Pay annually") }}</div>
-                                            <div class="schedule-amount">
-                                                $<span id="invoice_annual_price_per_month"></span>/user/month
-                                                <div class="schedule-amount-2">
-                                                    ($<span id="invoice_annual_price"></span>/user/year)
-                                                </div>
-                                            </div>
-                                        </div>
-                                    </label>
-                                </div>
-                                <p>
-                                    {% if free_trial_days %}
-                                    Enter the number of users you would like to pay for.<br />
-                                    We'll email you an invoice after the free trial.
-                                    Invoices can be paid by ACH transfer or credit card.
-                                    {% else %}
-                                    Enter the number of users you would like to pay for.<br />
-                                    We'll email you an invoice in 1-2 hours. Invoices can be paid by
-                                    ACH transfer or credit card.
-                                    {% endif %}
-                                </p>
-                                <h4>Number of licenses (minimum {{ min_invoiced_licenses }})</h4>
-                                <input type="number" min="{{ min_invoiced_licenses }}" autocomplete="off"
-                                  id="invoiced_licenses" name="licenses" required/><br />
-                                <!-- Disabled buttons do not fire any events, so we need a container div that isn't disabled for tippyjs to work -->
-                                <div class="upgrade-button-container" {% if is_demo_organization %}data-tippy-content="{% trans %}Convert demo organization before upgrading.{% endtrans %}"{% endif %}>
-                                    <button type="submit" id="invoice-button" class="stripe-button-el invoice-button" {% if is_demo_organization %}disabled{% endif %}>
-                                        Buy Standard
-                                    </button>
-                                </div>
-                            </form>
-                        </div>
-                        <div id="invoice-loading">
-                            <div class="zulip-loading-logo">
-                                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 773.12 773.12">
-                                    <circle cx="386.56" cy="386.56" r="386.56"/>
-                                    <path d="M566.66 527.25c0 33.03-24.23 60.05-53.84 60.05H260.29c-29.61 0-53.84-27.02-53.84-60.05 0-20.22 9.09-38.2 22.93-49.09l134.37-120c2.5-2.14 5.74 1.31 3.94 4.19l-49.29 98.69c-1.38 2.76.41 6.16 3.25 6.16h191.18c29.61 0 53.83 27.03 53.83 60.05zm0-281.39c0 20.22-9.09 38.2-22.93 49.09l-134.37 120c-2.5 2.14-5.74-1.31-3.94-4.19l49.29-98.69c1.38-2.76-.41-6.16-3.25-6.16H260.29c-29.61 0-53.84-27.02-53.84-60.05s24.23-60.05 53.84-60.05h252.54c29.61 0 53.83 27.02 53.83 60.05z"/>
-                                </svg>
-                            </div>
-                            <div id="invoice_loading_indicator"></div>
-                        </div>
-                        <div id="invoice-success" class="alert alert-success">
-                            Upgrade complete! The page will now reload.
-                        </div>
-                    </div>
                 </div>
                 <div class="support-link">
                     <p>
diff --git a/web/src/billing/upgrade.ts b/web/src/billing/upgrade.ts
index 682b69e25e..92b697db11 100644
--- a/web/src/billing/upgrade.ts
+++ b/web/src/billing/upgrade.ts
@@ -5,7 +5,6 @@ import type {Prices} from "./helpers";
 import {page_params} from "./page_params";
 
 export const initialize = (): void => {
-    helpers.set_tab("upgrade");
     $("#add-card-button").on("click", (e) => {
         const license_management = $<HTMLInputElement>(
             "input[type=radio][name=license_management]:checked",
@@ -20,17 +19,6 @@ export const initialize = (): void => {
             window.location.replace(response_data.stripe_session_url);
         });
     });
-
-    $("#invoice-button").on("click", (e) => {
-        if (!helpers.is_valid_input($("#invoiced_licenses"))) {
-            return;
-        }
-        e.preventDefault();
-        helpers.create_ajax_request("/json/billing/upgrade", "invoice", [], "POST", () =>
-            window.location.replace("/billing/"),
-        );
-    });
-
     const prices: Prices = {
         annual: page_params.annual_price * (1 - page_params.percent_off / 100),
         monthly: page_params.monthly_price * (1 - page_params.percent_off / 100),
@@ -46,15 +34,6 @@ export const initialize = (): void => {
     $("#autopay_monthly_price").text(
         `Pay monthly ($${helpers.format_money(prices.monthly)}/user/month)`,
     );
-    $("#invoice_annual_price").text(helpers.format_money(prices.annual));
-    $("#invoice_annual_price_per_month").text(helpers.format_money(prices.annual / 12));
-
-    helpers.update_charged_amount(
-        prices,
-        helpers.schedule_schema.parse(
-            $<HTMLInputElement>("input[type=radio][name=schedule]:checked").val(),
-        ),
-    );
 };
 
 $(() => {