diff --git a/static/js/avatar.js b/static/js/avatar.js
index bb7da1ea45..7bc9a70833 100644
--- a/static/js/avatar.js
+++ b/static/js/avatar.js
@@ -103,7 +103,6 @@ export function build_user_avatar_widget(upload_function) {
             parent: modal_parent,
             html_heading: $t_html({defaultMessage: "Delete profile picture"}),
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: delete_user_avatar,
             fade: true,
         });
diff --git a/static/js/confirm_dialog.js b/static/js/confirm_dialog.js
index 38a8570d1f..12af40c8c1 100644
--- a/static/js/confirm_dialog.js
+++ b/static/js/confirm_dialog.js
@@ -1,5 +1,10 @@
+import {$t_html} from "./i18n";
 import * as dialog_widget from "./dialog_widget";
 
 export function launch(conf) {
-    dialog_widget.launch({...conf, is_confirm_dialog: true});
+    dialog_widget.launch(
+        {...conf,
+         html_submit_button: $t_html({defaultMessage: "Confirm"}),
+         is_confirm_dialog: true,
+        });
 }
diff --git a/static/js/dialog_widget.js b/static/js/dialog_widget.js
index 01487c1e46..1d00fe0850 100644
--- a/static/js/dialog_widget.js
+++ b/static/js/dialog_widget.js
@@ -4,6 +4,7 @@ import render_dialog_widget from "../templates/dialog_widget.hbs";
 import render_dialog_heading from "../templates/dialog_widget_heading.hbs";
 
 import * as blueslip from "./blueslip";
+import {$t_html} from "./i18n";
 import * as overlays from "./overlays";
 import * as settings_data from "./settings_data";
 
@@ -64,18 +65,17 @@ export function launch(conf) {
     const html = render_dialog_widget({fade: conf.fade});
     const dialog = $(html);
 
-    const conf_fields = [
-        // The next three fields should be safe HTML. If callers
+    const mandatory_fields = [
+        // The html_ fields should be safe HTML. If callers
         // interpolate user data into strings, they should use
         // templates.
         "html_heading",
         "html_body",
-        "html_submit_button",
         "on_click",
         "parent",
     ];
 
-    for (const f of conf_fields) {
+    for (const f of mandatory_fields) {
         if (conf[f] === undefined) {
             blueslip.error("programmer omitted " + f);
         }
@@ -99,7 +99,8 @@ export function launch(conf) {
 
     const submit_button_span = dialog.find(".dialog_submit_button span");
 
-    submit_button_span.html(conf.html_submit_button);
+    let html_submit_button = conf.html_submit_button || $t_html({defaultMessage: "Save changes"});
+    submit_button_span.html(html_submit_button);
 
     if (conf.post_render !== undefined) {
         conf.post_render();
diff --git a/static/js/message_edit.js b/static/js/message_edit.js
index 606110d4df..4e0bde5d63 100644
--- a/static/js/message_edit.js
+++ b/static/js/message_edit.js
@@ -1004,7 +1004,6 @@ export function delete_message(msg_id) {
         parent: modal_parent,
         html_heading: $t_html({defaultMessage: "Delete message"}),
         html_body,
-        html_submit_button: $t_html({defaultMessage: "Confirm"}),
         help_link: "/help/edit-or-delete-a-message#delete-a-message",
         on_click: do_delete_message,
         loading_spinner: true,
diff --git a/static/js/muted_users_ui.js b/static/js/muted_users_ui.js
index c7178e27cd..7f7b685d51 100644
--- a/static/js/muted_users_ui.js
+++ b/static/js/muted_users_ui.js
@@ -37,7 +37,6 @@ export function confirm_mute_user(user_id) {
         html_heading: $t({defaultMessage: "Mute user"}),
         help_link: "/help/mute-a-user",
         html_body,
-        html_submit_button: $t({defaultMessage: "Confirm"}),
         on_click,
     });
 }
diff --git a/static/js/settings_account.js b/static/js/settings_account.js
index 6d90ddee2b..b43d790ba4 100644
--- a/static/js/settings_account.js
+++ b/static/js/settings_account.js
@@ -603,7 +603,6 @@ export function set_up() {
             parent: modal_parent,
             html_heading: $t_html({defaultMessage: "Deactivate your account"}),
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: handle_confirm,
             help_link: "/help/deactivate-your-account",
             fade: true,
diff --git a/static/js/settings_emoji.js b/static/js/settings_emoji.js
index c1de73ea99..9d28586657 100644
--- a/static/js/settings_emoji.js
+++ b/static/js/settings_emoji.js
@@ -269,7 +269,6 @@ export function set_up() {
                     parent: modal_parent,
                     html_heading: $t_html({defaultMessage: "Override built-in emoji?"}),
                     html_body,
-                    html_submit_button: $t_html({defaultMessage: "Confirm"}),
                     on_click: submit_custom_emoji_request,
                     fade: true,
                 });
diff --git a/static/js/settings_invites.js b/static/js/settings_invites.js
index 01e529acb0..3ca391b9ea 100644
--- a/static/js/settings_invites.js
+++ b/static/js/settings_invites.js
@@ -206,7 +206,6 @@ export function on_load_success(invites_data, initialize_event_handlers) {
                 ? $t_html({defaultMessage: "Revoke invitation link"})
                 : $t_html({defaultMessage: "Revoke invitation to {email}"}, {email}),
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: do_revoke_invite,
             fade: true,
         });
@@ -232,7 +231,6 @@ export function on_load_success(invites_data, initialize_event_handlers) {
             parent: modal_parent,
             html_heading: $t_html({defaultMessage: "Resend invitation"}),
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: do_resend_invite,
             fade: true,
         });
diff --git a/static/js/settings_org.js b/static/js/settings_org.js
index dcfcb6b2bc..5fdcbdb3db 100644
--- a/static/js/settings_org.js
+++ b/static/js/settings_org.js
@@ -1174,7 +1174,6 @@ export function build_page() {
             html_heading: $t_html({defaultMessage: "Deactivate organization"}),
             help_link: "/help/deactivate-your-organization",
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: do_deactivate_realm,
             fade: true,
         });
diff --git a/static/js/settings_user_groups.js b/static/js/settings_user_groups.js
index 969bae884a..24c8621901 100644
--- a/static/js/settings_user_groups.js
+++ b/static/js/settings_user_groups.js
@@ -366,7 +366,6 @@ export function set_up() {
             parent: modal_parent,
             html_heading: $t_html({defaultMessage: "Delete user group"}),
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: delete_user_group,
             fade: true,
         });
diff --git a/static/js/settings_users.js b/static/js/settings_users.js
index fb17d753fc..05e2ee4633 100644
--- a/static/js/settings_users.js
+++ b/static/js/settings_users.js
@@ -447,7 +447,6 @@ function confirm_deactivation(row, user_id, status_field) {
         parent: modal_parent,
         html_heading: $t_html({defaultMessage: "Deactivate {email}"}, {email: user.email}),
         html_body,
-        html_submit_button: $t_html({defaultMessage: "Confirm"}),
         on_click: handle_confirm,
         fade: true,
     });
diff --git a/static/js/starred_messages_ui.js b/static/js/starred_messages_ui.js
index b2a0f61f35..d017cc1c7e 100644
--- a/static/js/starred_messages_ui.js
+++ b/static/js/starred_messages_ui.js
@@ -16,7 +16,6 @@ export function confirm_unstar_all_messages() {
         parent: modal_parent,
         html_heading: $t_html({defaultMessage: "Unstar all messages"}),
         html_body,
-        html_submit_button: $t_html({defaultMessage: "Confirm"}),
         on_click: message_flags.unstar_all_messages,
     });
 }
@@ -41,7 +40,6 @@ export function confirm_unstar_all_messages_in_topic(stream_id, topic) {
         parent: modal_parent,
         html_heading: $t_html({defaultMessage: "Unstar messages in topic"}),
         html_body,
-        html_submit_button: $t_html({defaultMessage: "Confirm"}),
         on_click,
     });
 }
diff --git a/static/js/stream_create.js b/static/js/stream_create.js
index f2e04f1068..9ad293a74d 100644
--- a/static/js/stream_create.js
+++ b/static/js/stream_create.js
@@ -441,7 +441,6 @@ export function set_up_handlers() {
                 parent: modal_parent,
                 html_heading: $t_html({defaultMessage: "Large number of subscribers"}),
                 html_body,
-                html_submit_button: $t_html({defaultMessage: "Confirm"}),
                 on_click: () => {
                     create_stream();
                 },
diff --git a/static/js/stream_edit.js b/static/js/stream_edit.js
index 3435c92dd6..43be5e71c2 100644
--- a/static/js/stream_edit.js
+++ b/static/js/stream_edit.js
@@ -899,7 +899,6 @@ export function initialize() {
                     {stream_name: sub.name},
                 ),
                 html_body,
-                html_submit_button: $t_html({defaultMessage: "Confirm"}),
                 on_click: remove_user_from_private_stream,
                 fade: true,
             });
@@ -968,7 +967,6 @@ export function initialize() {
             ),
             help_link: "/help/archive-a-stream",
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: do_archive_stream,
             fade: true,
         });
diff --git a/static/js/stream_popover.js b/static/js/stream_popover.js
index 1114004cb8..3da54afda3 100644
--- a/static/js/stream_popover.js
+++ b/static/js/stream_popover.js
@@ -671,7 +671,6 @@ export function register_topic_handlers() {
             html_heading: $t_html({defaultMessage: "Delete topic"}),
             help_link: "/help/delete-a-topic",
             html_body,
-            html_submit_button: $t_html({defaultMessage: "Confirm"}),
             on_click: () => {
                 message_edit.delete_topic(stream_id, topic);
             },
diff --git a/static/js/stream_settings_ui.js b/static/js/stream_settings_ui.js
index ba8aae9323..63303e756e 100644
--- a/static/js/stream_settings_ui.js
+++ b/static/js/stream_settings_ui.js
@@ -970,7 +970,6 @@ export function unsubscribe_from_private_stream(sub, from_stream_popover) {
             {stream_name: sub.name},
         ),
         html_body,
-        html_submit_button: $t_html({defaultMessage: "Confirm"}),
         on_click: unsubscribe_from_stream,
         fade: true,
     });