diff --git a/src/components/views/elements/AppTile.js b/src/components/views/elements/AppTile.js
index df1fbe0f3c..5fe8b50b64 100644
--- a/src/components/views/elements/AppTile.js
+++ b/src/components/views/elements/AppTile.js
@@ -150,7 +150,7 @@ export default class AppTile extends React.Component {
             this.setState({initialising: false});
         });
     }
-    
+
     _iframeRefChange = (ref) => {
         this.setState({iframe: ref});
         if (ref) {
@@ -223,7 +223,7 @@ export default class AppTile extends React.Component {
      * @private
      * @returns {Promise<*>} Resolves when the widget is terminated, or timeout passed.
      */
-    _endWidgetActions() {
+    async _endWidgetActions() { // widget migration dev note: async to maintain signature
         // HACK: This is a really dirty way to ensure that Jitsi cleans up
         // its hold on the webcam. Without this, the widget holds a media
         // stream open, even after death. See https://github.com/vector-im/element-web/issues/7351
diff --git a/src/components/views/right_panel/WidgetCard.tsx b/src/components/views/right_panel/WidgetCard.tsx
index 8efbe3dcf3..30900b9a4d 100644
--- a/src/components/views/right_panel/WidgetCard.tsx
+++ b/src/components/views/right_panel/WidgetCard.tsx
@@ -29,7 +29,6 @@ import defaultDispatcher from "../../../dispatcher/dispatcher";
 import {SetRightPanelPhasePayload} from "../../../dispatcher/payloads/SetRightPanelPhasePayload";
 import {Action} from "../../../dispatcher/actions";
 import WidgetStore from "../../../stores/WidgetStore";
-import ActiveWidgetStore from "../../../stores/ActiveWidgetStore";
 import {ChevronFace, ContextMenuButton, useContextMenu} from "../../structures/ContextMenu";
 import IconizedContextMenu, {
     IconizedContextMenuOption,
@@ -40,7 +39,6 @@ import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
 import classNames from "classnames";
 import dis from "../../../dispatcher/dispatcher";
 import { WidgetMessagingStore } from "../../../stores/widgets/WidgetMessagingStore";
-import { Capability } from "matrix-widget-api/lib/interfaces/Capabilities";
 import { MatrixCapabilities } from "matrix-widget-api";
 
 interface IProps {
diff --git a/src/components/views/rooms/Stickerpicker.js b/src/components/views/rooms/Stickerpicker.js
index d191e05407..2faa0fea27 100644
--- a/src/components/views/rooms/Stickerpicker.js
+++ b/src/components/views/rooms/Stickerpicker.js
@@ -22,7 +22,6 @@ import * as sdk from '../../../index';
 import dis from '../../../dispatcher/dispatcher';
 import AccessibleButton from '../elements/AccessibleButton';
 import WidgetUtils from '../../../utils/WidgetUtils';
-import ActiveWidgetStore from '../../../stores/ActiveWidgetStore';
 import PersistedElement from "../elements/PersistedElement";
 import {IntegrationManagers} from "../../../integrations/IntegrationManagers";
 import SettingsStore from "../../../settings/SettingsStore";
diff --git a/src/stores/OwnProfileStore.ts b/src/stores/OwnProfileStore.ts
index 61387e3c26..8983380fec 100644
--- a/src/stores/OwnProfileStore.ts
+++ b/src/stores/OwnProfileStore.ts
@@ -70,7 +70,7 @@ export class OwnProfileStore extends AsyncStoreWithClient<IState> {
      * will be returned as an HTTP URL.
      * @returns The HTTP URL of the user's avatar
      */
-    public getHttpAvatarUrl(size: number = 0): string {
+    public getHttpAvatarUrl(size = 0): string {
         if (!this.avatarMxc) return null;
         const adjustedSize = size > 1 ? size : undefined; // don't let negatives or zero through
         return this.matrixClient.mxcUrlToHttp(this.avatarMxc, adjustedSize, adjustedSize);
diff --git a/src/stores/widgets/StopGapWidget.ts b/src/stores/widgets/StopGapWidget.ts
index 76c027bb33..1c24f70d0d 100644
--- a/src/stores/widgets/StopGapWidget.ts
+++ b/src/stores/widgets/StopGapWidget.ts
@@ -25,7 +25,7 @@ import {
     IWidgetData,
     MatrixCapabilities,
     Widget,
-    WidgetApiFromWidgetAction
+    WidgetApiFromWidgetAction,
 } from "matrix-widget-api";
 import { StopGapWidgetDriver } from "./StopGapWidgetDriver";
 import { EventEmitter } from "events";