diff --git a/src/FromWidgetPostMessageApi.js b/src/FromWidgetPostMessageApi.js
index 61c51d4a20..79e5206f50 100644
--- a/src/FromWidgetPostMessageApi.js
+++ b/src/FromWidgetPostMessageApi.js
@@ -17,9 +17,12 @@ limitations under the License.
 
 import URL from 'url';
 import dis from './dispatcher';
-import IntegrationManager from './IntegrationManager';
 import WidgetMessagingEndpoint from './WidgetMessagingEndpoint';
 import ActiveWidgetStore from './stores/ActiveWidgetStore';
+import sdk from "./index";
+import Modal from "./Modal";
+import MatrixClientPeg from "./MatrixClientPeg";
+import RoomViewStore from "./stores/RoomViewStore";
 
 const WIDGET_API_VERSION = '0.0.2'; // Current API version
 const SUPPORTED_WIDGET_API_VERSIONS = [
@@ -189,7 +192,14 @@ export default class FromWidgetPostMessageApi {
             const data = event.data.data || event.data.widgetData;
             const integType = (data && data.integType) ? data.integType : null;
             const integId = (data && data.integId) ? data.integId : null;
-            IntegrationManager.open(integType, integId);
+
+            // The dialog will take care of scalar auth for us
+            const IntegrationsManager = sdk.getComponent("views.settings.IntegrationsManager");
+            Modal.createTrackedDialog('Integrations Manager', '', IntegrationsManager, {
+                room: MatrixClientPeg.get().getRoom(RoomViewStore.getRoomId()),
+                screen: 'type_' + integType,
+                integrationId: integId,
+            }, "mx_IntegrationsManager");
         } else if (action === 'set_always_on_screen') {
             // This is a new message: there is no reason to support the deprecated widgetData here
             const data = event.data.data;
diff --git a/src/IntegrationManager.js b/src/IntegrationManager.js
deleted file mode 100644
index 7ff9aff86e..0000000000
--- a/src/IntegrationManager.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-Copyright 2017 New Vector Ltd
-Copyright 2019 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-import Modal from './Modal';
-import sdk from './index';
-import RoomViewStore from './stores/RoomViewStore';
-import MatrixClientPeg from "./MatrixClientPeg";
-
-// TODO: We should use this everywhere.
-export default class IntegrationManager {
-    /**
-     * Launch the integrations manager on the specified integration page
-     * @param  {string} integName integration / widget type
-     * @param  {string} integId   integration / widget ID
-     * @param  {function} onFinished Callback to invoke on integration manager close
-     */
-    static async open(integName, integId, onFinished) {
-        // The dialog will take care of scalar auth for us
-        const IntegrationsManager = sdk.getComponent("views.settings.IntegrationsManager");
-        Modal.createTrackedDialog('Integrations Manager', '', IntegrationsManager, {
-            room: MatrixClientPeg.get().getRoom(RoomViewStore.getRoomId()),
-            screen: 'type_' + integName,
-            integrationId: integId,
-            onFinished: onFinished,
-        }, "mx_IntegrationsManager");
-    }
-}
diff --git a/src/components/views/rooms/Stickerpicker.js b/src/components/views/rooms/Stickerpicker.js
index 809d948840..2dc174ceac 100644
--- a/src/components/views/rooms/Stickerpicker.js
+++ b/src/components/views/rooms/Stickerpicker.js
@@ -68,7 +68,7 @@ export default class Stickerpicker extends React.Component {
 
     _acquireScalarClient() {
         if (this.scalarClient) return Promise.resolve(this.scalarClient);
-        if (SdkConfig.get().integrations_ui_url && SdkConfig.get().integrations_rest_url) {
+        if (ScalarAuthClient.isPossible()) {
             this.scalarClient = new ScalarAuthClient();
             return this.scalarClient.connect().then(() => {
                 this.forceUpdate();
@@ -348,7 +348,7 @@ export default class Stickerpicker extends React.Component {
     /**
      * Launch the integrations manager on the stickers integration page
      */
-    async _launchManageIntegrations() {
+    _launchManageIntegrations() {
         const IntegrationsManager = sdk.getComponent("views.settings.IntegrationsManager");
 
         // The integrations manager will handle scalar auth for us.