diff --git a/.prettierrc.json b/.prettierrc.json
index f018e5c..0ad740f 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -2,6 +2,5 @@
     "arrowParens": "avoid",
     "tabWidth": 4,
     "trailingComma": "none",
-    "quoteProps": "consistent",
-    "plugins": ["prettier-plugin-svelte"]
+    "quoteProps": "consistent"
 }
diff --git a/ext/src/background/ReceiverSelector.ts b/ext/src/background/ReceiverSelector.ts
index 2d9314f..da8d27f 100644
--- a/ext/src/background/ReceiverSelector.ts
+++ b/ext/src/background/ReceiverSelector.ts
@@ -5,23 +5,15 @@ import messaging, { Port, Message } from "../messaging";
 import options from "../lib/options";
 
 import { TypedEventTarget } from "../lib/TypedEventTarget";
-import { SessionRequest } from "../cast/sdk/classes";
 import {
     ReceiverDevice,
     ReceiverSelectionActionType,
-    ReceiverSelectorMediaType
+    ReceiverSelectorMediaType,
+    ReceiverSelectorPageInfo
 } from "../types";
 
 const POPUP_URL = browser.runtime.getURL("ui/popup/index.html");
 
-/** Info about sender page context. */
-export interface ReceiverSelectorPageInfo {
-    url: string;
-    tabId: number;
-    frameId: number;
-    sessionRequest?: SessionRequest;
-}
-
 export interface ReceiverSelectionCast {
     actionType: ReceiverSelectionActionType.Cast;
     receiverDevice: ReceiverDevice;
diff --git a/ext/src/background/menus.ts b/ext/src/background/menus.ts
index 9c0fc1d..b7a289f 100644
--- a/ext/src/background/menus.ts
+++ b/ext/src/background/menus.ts
@@ -30,9 +30,6 @@ let menuIdCastMedia: MenuId;
 let menuIdWhitelist: MenuId;
 let menuIdWhitelistRecommended: MenuId;
 
-export const menuIdPopupCast = "popup_cast";
-export const menuIdPopupStop = "popup_stop";
-
 /** Match patterns for the whitelist option menus. */
 const whitelistChildMenuPatterns = new Map<MenuId, string>();
 
@@ -79,12 +76,12 @@ export async function initMenus() {
     // Popup context menus
     const popupUrlPattern = `${browser.runtime.getURL("ui/popup")}/*`;
     browser.menus.create({
-        id: menuIdPopupCast,
+        id: "popup_cast",
         title: _("popupCastButtonTitle"),
         documentUrlPatterns: [popupUrlPattern]
     });
     browser.menus.create({
-        id: menuIdPopupStop,
+        id: "popup_stop",
         title: _("popupStopButtonTitle"),
         documentUrlPatterns: [popupUrlPattern]
     });
diff --git a/ext/src/types.ts b/ext/src/types.ts
index 21695fa..7c24645 100644
--- a/ext/src/types.ts
+++ b/ext/src/types.ts
@@ -1,5 +1,6 @@
 "use strict";
 
+import { SessionRequest } from "./cast/sdk/classes";
 import { ReceiverStatus } from "./cast/sdk/types";
 
 export enum ReceiverDeviceCapabilities {
@@ -32,3 +33,11 @@ export enum ReceiverSelectionActionType {
     Cast = 1,
     Stop = 2
 }
+
+/** Info about sender page context. */
+export interface ReceiverSelectorPageInfo {
+    url: string;
+    tabId: number;
+    frameId: number;
+    sessionRequest?: SessionRequest;
+}
diff --git a/ext/src/ui/popup/Popup.svelte b/ext/src/ui/popup/Popup.svelte
index df80edf..c224394 100644
--- a/ext/src/ui/popup/Popup.svelte
+++ b/ext/src/ui/popup/Popup.svelte
@@ -3,9 +3,6 @@
 
     import LoadingIndicator from "../LoadingIndicator.svelte";
 
-    import { ReceiverSelectorPageInfo } from "../../background/ReceiverSelector";
-    import { menuIdPopupCast, menuIdPopupStop } from "../../background/menus";
-
     import messaging, { Message, Port } from "../../messaging";
     import options, { Options } from "../../lib/options";
     import { RemoteMatchPattern } from "../../lib/matchPattern";
@@ -13,7 +10,8 @@
     import {
         ReceiverDevice,
         ReceiverSelectionActionType,
-        ReceiverSelectorMediaType
+        ReceiverSelectorMediaType,
+        ReceiverSelectorPageInfo
     } from "../../types";
 
     import knownApps, { KnownApp } from "../../cast/knownApps";
@@ -272,13 +270,13 @@
 
         const device = getDeviceFromElement(target);
         if (!device) {
-            browser.menus.update(menuIdPopupCast, { visible: false });
-            browser.menus.update(menuIdPopupStop, { visible: false });
+            browser.menus.update("popup_cast", { visible: false });
+            browser.menus.update("popup_stop", { visible: false });
         } else {
             const app = device.status?.applications?.[0];
             const isAppRunning = !!(app && !app.isIdleScreen);
 
-            browser.menus.update(menuIdPopupCast, {
+            browser.menus.update("popup_cast", {
                 visible: true,
                 title: _("popupCastMenuTitle", device.friendlyName),
                 enabled:
@@ -288,7 +286,7 @@
                     isMediaTypeAvailable
             });
 
-            browser.menus.update(menuIdPopupStop, {
+            browser.menus.update("popup_stop", {
                 visible: isAppRunning,
                 title: isAppRunning
                     ? _("popupStopMenuTitle", [
@@ -305,8 +303,8 @@
     /** Handle click events for receiver context menus. */
     function onMenuClicked(info: browser.menus.OnClickData) {
         if (
-            info.menuItemId !== menuIdPopupCast &&
-            info.menuItemId !== menuIdPopupStop
+            info.menuItemId !== "popup_cast" &&
+            info.menuItemId !== "popup_stop"
         ) {
             return;
         }
@@ -319,10 +317,10 @@
         if (!device) return;
 
         switch (info.menuItemId) {
-            case menuIdPopupCast:
+            case "popup_cast":
                 onReceiverCast(device);
                 break;
-            case menuIdPopupStop:
+            case "popup_stop":
                 onReceiverStop(device);
                 break;
         }
diff --git a/tsconfig.json b/tsconfig.json
index 00393c9..d59ccd4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,5 +9,5 @@
         "target": "es6",
         "strict": true
     },
-    "exclude": ["node_modules/**/*", "dist/**/*"]
+    "exclude": ["node_modules/**/*", "**/node_modules/**/*", "dist/**/*"]
 }