diff --git a/.eslintrc.json b/.eslintrc.json
index 382f80ca40..20cae7473d 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -155,7 +155,6 @@
                 "reactions": false,
                 "realm_night_logo": false,
                 "recent_topics": false,
-                "reminder": false,
                 "search_pill_widget": false,
                 "settings": false,
                 "settings_account": false,
diff --git a/frontend_tests/node_tests/compose.js b/frontend_tests/node_tests/compose.js
index 90ef832820..24257f2fe8 100644
--- a/frontend_tests/node_tests/compose.js
+++ b/frontend_tests/node_tests/compose.js
@@ -47,6 +47,7 @@ const _notifications = {
     clear_compose_notifications: noop,
 };
 const reminder = {
+    __esModule: true,
     is_deferred_delivery: noop,
 };
 
@@ -54,7 +55,7 @@ set_global("document", _document);
 rewiremock("../../static/js/drafts").with(_drafts);
 set_global("navigator", _navigator);
 rewiremock("../../static/js/notifications").with(_notifications);
-set_global("reminder", reminder);
+rewiremock("../../static/js/reminder").with(reminder);
 rewiremock("../../static/js/sent_messages").with(sent_messages);
 rewiremock("../../static/js/rendered_markdown").with({
     update_elements: () => {},
diff --git a/static/js/bundles/app.js b/static/js/bundles/app.js
index caa28922c4..d83c767207 100644
--- a/static/js/bundles/app.js
+++ b/static/js/bundles/app.js
@@ -34,7 +34,6 @@ import "../message_events";
 import "../server_events";
 import "../zulip";
 import "../templates";
-import "../reminder";
 import "../confirm_dialog";
 import "../dropdown_list_widget";
 import "../settings_account";
diff --git a/static/js/compose.js b/static/js/compose.js
index 8f5fa3d460..8bef289b27 100644
--- a/static/js/compose.js
+++ b/static/js/compose.js
@@ -19,6 +19,7 @@ import * as markdown from "./markdown";
 import * as notifications from "./notifications";
 import * as peer_data from "./peer_data";
 import * as people from "./people";
+import * as reminder from "./reminder";
 import * as rendered_markdown from "./rendered_markdown";
 import * as resize from "./resize";
 import * as rtl from "./rtl";
diff --git a/static/js/global.d.ts b/static/js/global.d.ts
index ed7eb20871..4851e7cb8d 100644
--- a/static/js/global.d.ts
+++ b/static/js/global.d.ts
@@ -27,7 +27,6 @@ declare let panels: any;
 declare let pointer: any;
 declare let reactions: any;
 declare let recent_topics: any;
-declare let reminder: any;
 declare let search_pill_widget: any;
 declare let settings: any;
 declare let settings_account: any;
diff --git a/static/js/popovers.js b/static/js/popovers.js
index 4e0d7ad9fe..692ca9b230 100644
--- a/static/js/popovers.js
+++ b/static/js/popovers.js
@@ -26,6 +26,7 @@ import * as muting_ui from "./muting_ui";
 import * as narrow_state from "./narrow_state";
 import * as overlays from "./overlays";
 import * as people from "./people";
+import * as reminder from "./reminder";
 import * as resize from "./resize";
 import * as rows from "./rows";
 import * as settings_config from "./settings_config";
diff --git a/static/js/reminder.js b/static/js/reminder.js
index 7eea1e7734..83598a2e56 100644
--- a/static/js/reminder.js
+++ b/static/js/reminder.js
@@ -1,14 +1,12 @@
-"use strict";
+import * as channel from "./channel";
+import * as compose from "./compose";
+import * as hash_util from "./hash_util";
+import * as notifications from "./notifications";
+import * as people from "./people";
+import * as transmit from "./transmit";
+import * as util from "./util";
 
-const channel = require("./channel");
-const compose = require("./compose");
-const hash_util = require("./hash_util");
-const notifications = require("./notifications");
-const people = require("./people");
-const transmit = require("./transmit");
-const util = require("./util");
-
-const deferred_message_types = {
+export const deferred_message_types = {
     scheduled: {
         delivery_type: "send_later",
         test: /^\/schedule/,
@@ -21,13 +19,11 @@ const deferred_message_types = {
     },
 };
 
-exports.deferred_message_types = deferred_message_types;
-
-exports.is_deferred_delivery = function (message_content) {
+export function is_deferred_delivery(message_content) {
     const reminders_test = deferred_message_types.reminders.test;
     const scheduled_test = deferred_message_types.scheduled.test;
     return reminders_test.test(message_content) || scheduled_test.test(message_content);
-};
+}
 
 function patch_request_for_scheduling(request, message_content, deliver_at, delivery_type) {
     if (request.type === "private") {
@@ -44,7 +40,7 @@ function patch_request_for_scheduling(request, message_content, deliver_at, deli
     return new_request;
 }
 
-exports.schedule_message = function (request) {
+export function schedule_message(request) {
     if (request === undefined) {
         request = compose.create_message_object();
     }
@@ -106,9 +102,9 @@ exports.schedule_message = function (request) {
     $("#compose-textarea").prop("disabled", true);
 
     transmit.send_message(request, success, error);
-};
+}
 
-exports.do_set_reminder_for_message = function (message_id, timestamp) {
+export function do_set_reminder_for_message(message_id, timestamp) {
     const row = $(`[zid='${CSS.escape(message_id)}']`);
     function error() {
         row.find(".alert-msg")
@@ -131,7 +127,7 @@ exports.do_set_reminder_for_message = function (message_id, timestamp) {
             success(data) {
                 if (current_msg_list === msg_list) {
                     message.raw_content = data.raw_content;
-                    exports.do_set_reminder_for_message(message_id, timestamp);
+                    do_set_reminder_for_message(message_id, timestamp);
                 }
             },
             error,
@@ -171,6 +167,4 @@ exports.do_set_reminder_for_message = function (message_id, timestamp) {
         deferred_message_types.reminders.delivery_type,
     );
     transmit.send_message(reminder_message, success, error);
-};
-
-window.reminder = exports;
+}