diff --git a/app/src/bridge/Media.ts b/app/src/bridge/Media.ts
index 80deda7..8246269 100644
--- a/app/src/bridge/Media.ts
+++ b/app/src/bridge/Media.ts
@@ -25,25 +25,14 @@ export interface UpdateMessageData {
 
 
 export default class Media {
-    private sessionId: number;
-    private mediaSessionId: number;
-    private referenceId: string;
-    private session: Session;
     private channel: Channel;
-    private sendMessageCallback: SendMessageCallback;
 
     constructor (
             sessionId: number
           , mediaSessionId: number
-          , referenceId: string
-          , session: Session
-          , sendMessageCallback: SendMessageCallback) {
-
-        this.sessionId = sessionId;
-        this.mediaSessionId = mediaSessionId;
-        this.referenceId = referenceId;
-        this.session = session;
-        this.sendMessageCallback = sendMessageCallback;
+          , private referenceId: string
+          , private session: Session
+          , private sendMessageCallback: SendMessageCallback) {
 
         this.session.createChannel(MEDIA_NAMESPACE);
         this.channel = this.session.channelMap.get(MEDIA_NAMESPACE)!;
@@ -77,11 +66,6 @@ export default class Media {
                 }
 
                 this.sendMessage("shim:/media/update", messageData);
-
-                // Update ID
-                if (status.mediaSessionId) {
-                    this.mediaSessionId = status.mediaSessionId;
-                }
             }
         });
     }
diff --git a/app/src/bridge/Session.ts b/app/src/bridge/Session.ts
index 8f67383..6dc7703 100644
--- a/app/src/bridge/Session.ts
+++ b/app/src/bridge/Session.ts
@@ -1,7 +1,5 @@
 "use strict";
 
-import uuid from "uuid";
-
 import { Channel, Client } from "castv2";
 
 import { Message
diff --git a/app/src/bridge/StatusListener.ts b/app/src/bridge/StatusListener.ts
index b0e3363..b924ea5 100644
--- a/app/src/bridge/StatusListener.ts
+++ b/app/src/bridge/StatusListener.ts
@@ -17,10 +17,7 @@ export default class StatusListener extends EventEmitter {
     private clientReceiver?: Channel;
     private clientHeartbeatIntervalId?: NodeJS.Timeout;
 
-    constructor (
-            private host: string
-          , private port: number) {
-
+    constructor (host: string, port: number) {
         super();
 
         this.client = new Client();
diff --git a/app/src/bridge/index.ts b/app/src/bridge/index.ts
index 58afafb..a2cd2a0 100755
--- a/app/src/bridge/index.ts
+++ b/app/src/bridge/index.ts
@@ -12,11 +12,9 @@ import Session from "./Session";
 import StatusListener from "./StatusListener";
 
 import { DecodeTransform
-       , EncodeTransform
-       , ResponseTransform } from "../transforms";
+       , EncodeTransform } from "../transforms";
 
-import { MediaStatus
-       , ReceiverStatus } from "./castTypes";
+import { ReceiverStatus } from "./castTypes";
 
 import { Message } from "./types";
 
@@ -146,7 +144,6 @@ async function handleMessage (message: Message) {
 
     switch (message.subject) {
         case "bridge:/getInfo": {
-            const extensionVersion = message.data;
             encodeTransform.write(__applicationVersion);
         }
 
diff --git a/app/src/daemon/index.ts b/app/src/daemon/index.ts
index d53e4ab..585ed23 100644
--- a/app/src/daemon/index.ts
+++ b/app/src/daemon/index.ts
@@ -3,7 +3,6 @@
 import { spawn } from "child_process";
 import { Readable } from "stream";
 
-import path from "path";
 import WebSocket from "ws";
 
 import { DecodeTransform
diff --git a/common/tsconfig.json b/common/tsconfig.json
index 4300ab1..8f8078e 100644
--- a/common/tsconfig.json
+++ b/common/tsconfig.json
@@ -3,6 +3,7 @@
         "esModuleInterop": true
       , "module": "commonjs"
       , "noImplicitAny": true
+      , "noUnusedLocals": true
       , "removeComments": true
       , "resolveJsonModule": true
       , "target": "es6"
diff --git a/ext/src/background/ShimManager.ts b/ext/src/background/ShimManager.ts
index 3a55efc..960f868 100644
--- a/ext/src/background/ShimManager.ts
+++ b/ext/src/background/ShimManager.ts
@@ -4,9 +4,9 @@ import bridge from "../lib/bridge";
 import loadSender from "../lib/loadSender";
 import options from "../lib/options";
 
-import { TypedEventTarget } from "../lib/typedEvents";
 import { Message } from "../types";
 
+import { getMediaTypesForPageUrl } from "../lib/utils";
 import { ReceiverSelectorMediaType } from "./receiverSelector";
 
 import ReceiverSelectorManager
@@ -140,17 +140,15 @@ export default new class ShimManager {
             }
 
             case "main:/selectReceiverBegin": {
-                const allMediaTypes =
-                        ReceiverSelectorMediaType.App
-                      | ReceiverSelectorMediaType.Tab
-                      | ReceiverSelectorMediaType.Screen
-                      | ReceiverSelectorMediaType.File;
+                const contentTab = await browser.tabs.get(shim.contentTabId);
+                const availableMediaTypes = getMediaTypesForPageUrl(
+                        contentTab.url);
 
                 try {
                     const selection = await ReceiverSelectorManager
                             .getSelection(
                                     ReceiverSelectorMediaType.App
-                                  , allMediaTypes);
+                                  , availableMediaTypes);
 
                     // Handle cancellation
                     if (!selection) {
diff --git a/ext/src/background/StatusManager.ts b/ext/src/background/StatusManager.ts
index 9f816c3..5a4eaa0 100644
--- a/ext/src/background/StatusManager.ts
+++ b/ext/src/background/StatusManager.ts
@@ -1,7 +1,6 @@
 "use strict";
 
 import bridge from "../lib/bridge";
-import options from "../lib/options";
 
 import { TypedEventTarget } from "../lib/typedEvents";
 import { Message, Receiver, ReceiverStatus } from "../types";
diff --git a/ext/src/background/background.ts b/ext/src/background/background.ts
index d478a66..ba995aa 100755
--- a/ext/src/background/background.ts
+++ b/ext/src/background/background.ts
@@ -2,12 +2,10 @@
 
 import defaultOptions from "../defaultOptions";
 import loadSender from "../lib/loadSender";
-import options, { Options } from "../lib/options";
+import options from "../lib/options";
 
 import { getChromeUserAgent } from "../lib/userAgents";
-import { stringify } from "../lib/utils";
-
-import { Message } from "../types";
+import { getMediaTypesForPageUrl, stringify } from "../lib/utils";
 
 import { CAST_FRAMEWORK_LOADER_SCRIPT_URL
        , CAST_LOADER_SCRIPT_URL } from "../lib/endpoints";
@@ -45,7 +43,6 @@ browser.runtime.onInstalled.addListener(async details => {
 });
 
 
-
 function initBrowserAction () {
     browser.browserAction.disable();
 
@@ -68,7 +65,10 @@ function initBrowserAction () {
      * top-level frame.
      */
     browser.browserAction.onClicked.addListener(async tab => {
-        const selection = await ReceiverSelectorManager.getSelection();
+        const selection = await ReceiverSelectorManager.getSelection(
+                ReceiverSelectorMediaType.Tab
+              , getMediaTypesForPageUrl(tab.url)
+                      & ~ReceiverSelectorMediaType.App);
 
         if (selection) {
             loadSender({
@@ -154,17 +154,14 @@ async function initMenus () {
             return;
         }
 
+
+        const availableMediaTypes = getMediaTypesForPageUrl(info.pageUrl);
+
         switch (info.menuItemId) {
             case menuIdMediaCast: {
-                const allMediaTypes =
-                        ReceiverSelectorMediaType.App
-                      | ReceiverSelectorMediaType.Tab
-                      | ReceiverSelectorMediaType.Screen
-                      | ReceiverSelectorMediaType.File;
-
                 const selection = await ReceiverSelectorManager.getSelection(
                         ReceiverSelectorMediaType.App
-                      , allMediaTypes);
+                      , availableMediaTypes);
 
                 // Selection cancelled
                 if (!selection) {
@@ -203,7 +200,9 @@ async function initMenus () {
             }
 
             case menuIdMirroringCast: {
-                const selection = await ReceiverSelectorManager.getSelection();
+                const selection = await ReceiverSelectorManager.getSelection(
+                        ReceiverSelectorMediaType.Tab
+                      , availableMediaTypes & ~ReceiverSelectorMediaType.App);
 
                 loadSender({
                     tabId: tab.id
@@ -319,11 +318,9 @@ async function initMenus () {
                     .reverse();
 
             if (pathSegments.length) {
-                let index = 0;
-
-                for (const pathSegment of pathSegments) {
+                for (let i = 0; i < pathSegments.length; i++) {
                     const partialPath = pathSegments
-                            .slice(index)
+                            .slice(i)
                             .reverse()
                             .join("/");
 
@@ -336,8 +333,6 @@ async function initMenus () {
 
                     whitelistChildMenuPatterns.set(
                             partialPathMenuId, pattern);
-
-                    index++;
                 }
             }
         }
diff --git a/ext/src/background/receiverSelector/PopupReceiverSelector.ts b/ext/src/background/receiverSelector/PopupReceiverSelector.ts
index b7a3590..1b6dd04 100644
--- a/ext/src/background/receiverSelector/PopupReceiverSelector.ts
+++ b/ext/src/background/receiverSelector/PopupReceiverSelector.ts
@@ -16,7 +16,6 @@ export default class PopupReceiverSelector
         implements ReceiverSelector {
 
     private windowId: number;
-    private openerWindowId: number;
 
     private messagePort: browser.runtime.Port;
     private messagePortDisconnected: boolean;
@@ -102,7 +101,6 @@ export default class PopupReceiverSelector
         this._isOpen = true;
 
         this.windowId = popup.id;
-        this.openerWindowId = openerWindow.id;
 
         // Size/position not set correctly on creation (bug?)
         await browser.windows.update(this.windowId, {
@@ -168,7 +166,6 @@ export default class PopupReceiverSelector
 
         // Cleanup
         this.windowId = null;
-        this.openerWindowId = null;
         this.messagePort = null;
         this.receivers = null;
         this.defaultMediaType = null;
diff --git a/ext/src/background/receiverSelector/ReceiverSelectorManager.ts b/ext/src/background/receiverSelector/ReceiverSelectorManager.ts
index c88ff8f..77cb951 100644
--- a/ext/src/background/receiverSelector/ReceiverSelectorManager.ts
+++ b/ext/src/background/receiverSelector/ReceiverSelectorManager.ts
@@ -83,6 +83,29 @@ async function getSelection (
         });
 
 
+        const opts = await options.getAll();
+
+        // Remove mirroring media types if mirroring is not enabled.
+        if (!opts.mirroringEnabled) {
+            availableMediaTypes &= ~(
+                    ReceiverSelectorMediaType.Tab
+                  | ReceiverSelectorMediaType.Screen);
+        }
+
+        // Remove file media type if local media is not enabled
+        if (!opts.mediaEnabled || !opts.localMediaEnabled) {
+            availableMediaTypes &= ~ReceiverSelectorMediaType.File;
+        }
+
+        if (!availableMediaTypes || availableMediaTypes
+                === ReceiverSelectorMediaType.File) {
+            console.error("fx_cast (Debug): No available media types");
+            resolve(null);
+
+            return;
+        }
+
+
         // Ensure status manager is initialized
         await StatusManager.init();
 
diff --git a/ext/src/lib/nativeMessaging.ts b/ext/src/lib/nativeMessaging.ts
index 33ef4f7..c9a5efa 100644
--- a/ext/src/lib/nativeMessaging.ts
+++ b/ext/src/lib/nativeMessaging.ts
@@ -1,8 +1,5 @@
 "use strict";
 
-import { Message } from "../types";
-
-
 const WEBSOCKET_DAEMON_URL = "ws://localhost:9556";
 
 
diff --git a/ext/src/lib/options.ts b/ext/src/lib/options.ts
index aea83d4..6c7da21 100644
--- a/ext/src/lib/options.ts
+++ b/ext/src/lib/options.ts
@@ -3,7 +3,6 @@
 import defaultOptions from "../defaultOptions";
 
 import { ReceiverSelectorType } from "../background/receiverSelector";
-import { Message } from "../types";
 import { TypedEventTarget } from "./typedEvents";
 
 
diff --git a/ext/src/lib/utils.ts b/ext/src/lib/utils.ts
index e9b40c5..810584d 100644
--- a/ext/src/lib/utils.ts
+++ b/ext/src/lib/utils.ts
@@ -1,5 +1,8 @@
 "use strict";
 
+import { ReceiverSelectorMediaType } from "../background/receiverSelector";
+
+
 export function getNextEllipsis (ellipsis: string): string {
     /* tslint:disable:curly */
     if (ellipsis === "") return ".";
@@ -29,6 +32,28 @@ export function stringify (
     return formattedString;
 }
 
+export function getMediaTypesForPageUrl (
+        pageUrl: string): ReceiverSelectorMediaType {
+
+    let availableMediaTypes =
+            ReceiverSelectorMediaType.App
+          | ReceiverSelectorMediaType.Tab
+          | ReceiverSelectorMediaType.Screen
+          | ReceiverSelectorMediaType.File;
+
+    /**
+     * Remove "Screen" option when on an insecure origin as
+     * MediaDevices.getDisplayMedia will not exist (and legacy
+     * MediaDevices.getUserMedia mediaSource constraint will
+     * fail).
+     */
+    if (!pageUrl.startsWith("https://")) {
+        availableMediaTypes &= ~ReceiverSelectorMediaType.Screen;
+    }
+
+    return availableMediaTypes;
+}
+
 
 interface WindowCenteredProps {
     width: number;
diff --git a/ext/src/senders/mirroringCast.ts b/ext/src/senders/mirroringCast.ts
index a581d98..baa015d 100644
--- a/ext/src/senders/mirroringCast.ts
+++ b/ext/src/senders/mirroringCast.ts
@@ -21,22 +21,6 @@ let session: cast.Session;
 let wasSessionRequested = false;
 
 let peerConnection: RTCPeerConnection;
-let drawWindowIntervalId: number;
-
-
-let availableMediaTypes =
-        ReceiverSelectorMediaType.Screen
-      | ReceiverSelectorMediaType.Tab;
-
-/**
- * Remove "Screen" option when on an insecure origin as
- * MediaDevices.getDisplayMedia will not exist (and legacy
- * MediaDevices.getUserMedia mediaSource constraint will
- * fail).
- */
-if (typeof navigator.mediaDevices.getDisplayMedia === "undefined") {
-    availableMediaTypes &= ~ReceiverSelectorMediaType.Screen;
-}
 
 
 /**
@@ -124,7 +108,7 @@ async function onRequestSessionSuccess (newSession: cast.Session) {
             }
 
 
-            drawWindowIntervalId = window.setInterval(drawWindow, 1000 / 30);
+            window.setInterval(drawWindow, 1000 / 30);
 
             /**
              * Capture video stream from canvas and feed into the RTC
diff --git a/ext/src/shim/cast/classes/Session.ts b/ext/src/shim/cast/classes/Session.ts
index 5c8132d..9c2c0b4 100755
--- a/ext/src/shim/cast/classes/Session.ts
+++ b/ext/src/shim/cast/classes/Session.ts
@@ -13,8 +13,7 @@ import Media from "../media/classes/Media";
 import QueueLoadRequest from "../media/classes/QueueLoadRequest";
 
 import { ErrorCode
-       , SessionStatus
-       , VolumeControlType } from "../enums";
+       , SessionStatus } from "../enums";
 
 import { RepeatMode } from "../media/enums";
 
@@ -22,8 +21,7 @@ import { ListenerObject
        , onMessage
        , sendMessageResponse } from "../../eventMessageChannel";
 
-import { Callbacks
-       , CallbacksMap
+import { CallbacksMap
        , ErrorCallback
        , LoadSuccessCallback
        , MediaListener
@@ -51,7 +49,7 @@ export default class Session {
     public media: Media[];
     public namespaces: Array<{ name: "string" }>;
     public senderApps: SenderApplication[];
-    public status: string;
+    public status: SessionStatus;
     public statusText: string;
     public transportId: string;
 
diff --git a/ext/src/shim/cast/classes/Volume.ts b/ext/src/shim/cast/classes/Volume.ts
index a5f8b0c..00e67cb 100755
--- a/ext/src/shim/cast/classes/Volume.ts
+++ b/ext/src/shim/cast/classes/Volume.ts
@@ -5,7 +5,7 @@ import { VolumeControlType } from "../enums";
 
 // https://developers.google.com/cast/docs/reference/chrome/chrome.cast.Volume
 export default class Volume {
-    public controlType: string;
+    public controlType: VolumeControlType;
     public stepInterval: number;
 
     constructor (
diff --git a/ext/src/shim/cast/enums.ts b/ext/src/shim/cast/enums.ts
index 7a3c24b..e19e826 100755
--- a/ext/src/shim/cast/enums.ts
+++ b/ext/src/shim/cast/enums.ts
@@ -1,75 +1,75 @@
 "use strict";
 
-export const AutoJoinPolicy = {
-    TAB_AND_ORIGIN_SCOPED: "tab_and_origin_scoped"
-  , ORIGIN_SCOPED: "origin_scoped"
-  , PAGE_SCOPED: "page_scoped"
-  , CUSTOM_CONTROLLER_SCOPED: "custom_controller_scoped"
-};
+export enum AutoJoinPolicy {
+    TAB_AND_ORIGIN_SCOPED = "tab_and_origin_scoped"
+  , ORIGIN_SCOPED = "origin_scoped"
+  , PAGE_SCOPED = "page_scoped"
+  , CUSTOM_CONTROLLER_SCOPED = "custom_controller_scoped"
+}
 
-export const Capability = {
-    VIDEO_OUT: "video_out"
-  , AUDIO_OUT: "audio_out"
-  , VIDEO_IN: "video_in"
-  , AUDIO_IN: "audio_in"
-  , MULTIZONE_GROUP: "multizone_group"
-};
+export enum Capability {
+    VIDEO_OUT = "video_out"
+  , AUDIO_OUT = "audio_out"
+  , VIDEO_IN = "video_in"
+  , AUDIO_IN = "audio_in"
+  , MULTIZONE_GROUP = "multizone_group"
+}
 
-export const DefaultActionPolicy = {
-    CREATE_SESSION: "create_session"
-  , CAST_THIS_TAB: "cast_this_tab"
-};
+export enum DefaultActionPolicy {
+    CREATE_SESSION = "create_session"
+  , CAST_THIS_TAB = "cast_this_tab"
+}
 
-export const DialAppState = {
-    RUNNING: "running"
-  , STOPPED: "stopped"
-  , ERROR: "error"
-};
+export enum DialAppState {
+    RUNNING = "running"
+  , STOPPED = "stopped"
+  , ERROR = "error"
+}
 
-export const ErrorCode = {
-    CANCEL: "cancel"
-  , TIMEOUT: "timeout"
-  , API_NOT_INITIALIZED: "api_not_initialized"
-  , INVALID_PARAMETER: "invalid_parameter"
-  , EXTENSION_NOT_COMPATIBLE: "extension_not_compatible"
-  , EXTENSION_MISSING: "extension_missing"
-  , RECEIVER_UNAVAILABLE: "receiver_unavailable"
-  , SESSION_ERROR: "session_error"
-  , CHANNEL_ERROR: "channel_error"
-  , LOAD_MEDIA_FAILED: "load_media_failed"
-};
+export enum ErrorCode {
+    CANCEL = "cancel"
+  , TIMEOUT = "timeout"
+  , API_NOT_INITIALIZED = "api_not_initialized"
+  , INVALID_PARAMETER = "invalid_parameter"
+  , EXTENSION_NOT_COMPATIBLE = "extension_not_compatible"
+  , EXTENSION_MISSING = "extension_missing"
+  , RECEIVER_UNAVAILABLE = "receiver_unavailable"
+  , SESSION_ERROR = "session_error"
+  , CHANNEL_ERROR = "channel_error"
+  , LOAD_MEDIA_FAILED = "load_media_failed"
+}
 
-export const ReceiverAction = {
-    CAST: "cast"
-  , STOP: "stop"
-};
+export enum ReceiverAction {
+    CAST = "cast"
+  , STOP = "stop"
+}
 
-export const ReceiverAvailability = {
-    AVAILABLE: "available"
-  , UNAVAILABLE: "unavailable"
-};
+export enum ReceiverAvailability {
+    AVAILABLE = "available"
+  , UNAVAILABLE = "unavailable"
+}
 
-export const ReceiverType = {
-    CAST: "cast"
-  , DIAL: "dial"
-  , HANGOUT: "hangout"
-  , CUSTOM: "custom"
-};
+export enum ReceiverType {
+    CAST = "cast"
+  , DIAL = "dial"
+  , HANGOUT = "hangout"
+  , CUSTOM = "custom"
+}
 
-export const SenderPlatform = {
-    CHROME: "chrome"
-  , IOS: "ios"
-  , ANDROID: "android"
-};
+export enum SenderPlatform {
+    CHROME = "chrome"
+  , IOS = "ios"
+  , ANDROID = "android"
+}
 
-export const SessionStatus = {
-    CONNECTED: "connected"
-  , DISCONNECTED: "disconnected"
-  , STOPPED: "stopped"
-};
+export enum SessionStatus {
+    CONNECTED = "connected"
+  , DISCONNECTED = "disconnected"
+  , STOPPED = "stopped"
+}
 
-export const VolumeControlType = {
-    ATTENUATION: "attenuation"
-  , FIXED: "fixed"
-  , MASTER: "master"
-};
+export enum VolumeControlType {
+    ATTENUATION = "attenuation"
+  , FIXED = "fixed"
+  , MASTER = "master"
+}
diff --git a/ext/src/shim/cast/index.ts b/ext/src/shim/cast/index.ts
index 1197347..49ba2ef 100755
--- a/ext/src/shim/cast/index.ts
+++ b/ext/src/shim/cast/index.ts
@@ -26,8 +26,6 @@ import { AutoJoinPolicy
 
 import * as media from "./media";
 
-
-import { ReceiverSelectorMediaType } from "../../background/receiverSelector";
 import { Receiver } from "../../types";
 import { onMessage, sendMessageResponse } from "../eventMessageChannel";
 
diff --git a/ext/src/shim/cast/media/classes/Media.ts b/ext/src/shim/cast/media/classes/Media.ts
index 56b9d3f..071f883 100644
--- a/ext/src/shim/cast/media/classes/Media.ts
+++ b/ext/src/shim/cast/media/classes/Media.ts
@@ -25,8 +25,7 @@ import { ErrorCode } from "../../enums";
 
 import { onMessage, sendMessageResponse } from "../../../eventMessageChannel";
 
-import { Callbacks
-       , CallbacksMap
+import { CallbacksMap
        , ErrorCallback
        , SuccessCallback
        , UpdateListener } from "../../../types";
diff --git a/ext/src/shim/cast/media/enums.ts b/ext/src/shim/cast/media/enums.ts
index dd07412..bc5219d 100755
--- a/ext/src/shim/cast/media/enums.ts
+++ b/ext/src/shim/cast/media/enums.ts
@@ -1,93 +1,93 @@
 "use strict";
 
-export const IdleReason = {
-    CANCELLED: "CANCELLED"
-  , INTERRUPTED: "INTERRUPTED"
-  , FINISHED: "FINISHED"
-  , ERROR: "ERROR"
-};
+export enum IdleReason {
+    CANCELLED = "CANCELLED"
+  , INTERRUPTED = "INTERRUPTED"
+  , FINISHED = "FINISHED"
+  , ERROR = "ERROR"
+}
 
-export const MediaCommand = {
-    PAUSE: "pause"
-  , SEEK: "seek"
-  , STREAM_VOLUME: "stream_volume"
-  , STREAM_MUTE: "stream_mute"
-};
+export enum MediaCommand {
+    PAUSE = "pause"
+  , SEEK = "seek"
+  , STREAM_VOLUME = "stream_volume"
+  , STREAM_MUTE = "stream_mute"
+}
 
-export const MetadataType = {
-    GENERIC: 0
-  , MOVIE: 1
-  , TV_SHOW: 2
-  , MUSIC_TRACK: 3
-  , PHOTO: 4
-};
+export enum MetadataType {
+    GENERIC
+  , MOVIE
+  , TV_SHOW
+  , MUSIC_TRACK
+  , PHOTO
+}
 
-export const PlayerState = {
-    IDLE: "IDLE"
-  , PLAYING: "PLAYING"
-  , PAUSED: "PAUSED"
-  , BUFFERING:  "BUFFERING"
-};
+export enum PlayerState {
+    IDLE = "IDLE"
+  , PLAYING = "PLAYING"
+  , PAUSED = "PAUSED"
+  , BUFFERING = "BUFFERING"
+}
 
-export const RepeatMode = {
-    OFF: "REPEAT_OFF"
-  , ALL: "REPEAT_ALL"
-  , SINGLE: "REPEAT_SINGLE"
-  , ALL_AND_SHUFFLE: "REPEAT_ALL_AND_SHUFFLE"
-};
+export enum RepeatMode {
+    OFF = "REPEAT_OFF"
+  , ALL = "REPEAT_ALL"
+  , SINGLE = "REPEAT_SINGLE"
+  , ALL_AND_SHUFFLE = "REPEAT_ALL_AND_SHUFFLE"
+}
 
-export const ResumeState = {
-    PLAYBACK_START: "PLAYBACK_START"
-  , PLAYBACK_PAUSE: "PLAYBACK_PAUSE"
-};
+export enum ResumeState {
+    PLAYBACK_START = "PLAYBACK_START"
+  , PLAYBACK_PAUSE = "PLAYBACK_PAUSE"
+}
 
-export const StreamType = {
-    BUFFERED: "BUFFERED"
-  , LIVE: "LIVE"
-  , OTHER: "OTHER"
-};
+export enum StreamType {
+    BUFFERED = "BUFFERED"
+  , LIVE = "LIVE"
+  , OTHER = "OTHER"
+}
 
-export const TextTrackEdgeType = {
-    NONE: "NONE"
-  , OUTLINE: "OUTLINE"
-  , DROP_SHADOW: "DROP_SHADOW"
-  , RAISED: "RAISED"
-  , DEPRESSED: "DEPRESSED"
-};
+export enum TextTrackEdgeType {
+    NONE = "NONE"
+  , OUTLINE = "OUTLINE"
+  , DROP_SHADOW = "DROP_SHADOW"
+  , RAISED = "RAISED"
+  , DEPRESSED = "DEPRESSED"
+}
 
-export const TextTrackFontGenericFamily = {
-    SANS_SERIF: "SANS_SERIF"
-  , MONOSPACED_SANS_SERIF: "MONOSPACED_SANS_SERIF"
-  , SERIF: "SERIF"
-  , MONOSPACED_SERIF: "MONOSPACED_SERIF"
-  , CASUAL: "CASUAL"
-  , CURSIVE: "CURSIVE"
-  , SMALL_CAPITALS: "SMALL_CAPITALS"
-};
+export enum TextTrackFontGenericFamily {
+    SANS_SERIF = "SANS_SERIF"
+  , MONOSPACED_SANS_SERIF = "MONOSPACED_SANS_SERIF"
+  , SERIF = "SERIF"
+  , MONOSPACED_SERIF = "MONOSPACED_SERIF"
+  , CASUAL = "CASUAL"
+  , CURSIVE = "CURSIVE"
+  , SMALL_CAPITALS = "SMALL_CAPITALS"
+}
 
-export const TextTrackFontStyle = {
-    NORMAL: "NORMAL"
-  , BOLD: "BOLD"
-  , BOLD_ITALIC: "BOLD_ITALIC"
-  , ITALIC: "ITALIC"
-};
+export enum TextTrackFontStyle {
+    NORMAL = "NORMAL"
+  , BOLD = "BOLD"
+  , BOLD_ITALIC = "BOLD_ITALIC"
+  , ITALIC = "ITALIC"
+}
 
-export const TextTrackType = {
-    SUBTITLES: "SUBTITLES"
-  , CAPTIONS: "CAPTIONS"
-  , DESCRIPTIONS: "DESCRIPTIONS"
-  , CHAPTERS: "CHAPTERS"
-  , METADATA: "METADATA"
-};
+export enum TextTrackType {
+    SUBTITLES = "SUBTITLES"
+  , CAPTIONS = "CAPTIONS"
+  , DESCRIPTIONS = "DESCRIPTIONS"
+  , CHAPTERS = "CHAPTERS"
+  , METADATA = "METADATA"
+}
 
-export const TextTrackWindowType = {
-    NONE: "NONE"
-  , NORMAL: "NORMAL"
-  , ROUNDED_CORNERS: "ROUNDED_CORNERS"
-};
+export enum TextTrackWindowType {
+    NONE = "NONE"
+  , NORMAL = "NORMAL"
+  , ROUNDED_CORNERS = "ROUNDED_CORNERS"
+}
 
-export const TrackType = {
-    TEXT: "TEXT"
-  , AUDIO: "AUDIO"
-  , VIDEO: "VIDEO"
-};
+export enum TrackType {
+    TEXT = "TEXT"
+  , AUDIO = "AUDIO"
+  , VIDEO = "VIDEO"
+}
diff --git a/ext/src/shim/framework/classes/CastContext.ts b/ext/src/shim/framework/classes/CastContext.ts
index 674a28a..8abf7a5 100644
--- a/ext/src/shim/framework/classes/CastContext.ts
+++ b/ext/src/shim/framework/classes/CastContext.ts
@@ -1,11 +1,7 @@
 "use strict";
 
-import * as cast from "../../cast";
-
 import CastOptions from "./CastOptions";
 import CastSession from "./CastSession";
-import CastStateEventData from "./CastStateEventData";
-import SessionStateEventData from "./SessionStateEventData";
 
 
 export default class CastContext extends EventTarget {
diff --git a/ext/src/shim/framework/classes/CastSession.ts b/ext/src/shim/framework/classes/CastSession.ts
index 2ff35ad..4a1e1a9 100644
--- a/ext/src/shim/framework/classes/CastSession.ts
+++ b/ext/src/shim/framework/classes/CastSession.ts
@@ -2,12 +2,7 @@
 
 import * as cast from "../../cast";
 
-import ActiveInputStateEventData from "./ActiveInputStateEventData";
 import ApplicationMetadata from "./ApplicationMetadata";
-import ApplicationMetadataEventData from "./ApplicationMetadataEventData";
-import ApplicationStatusEventData from "./ApplicationStatusEventData";
-import MediaSessionEventData from "./MediaSessionEventData";
-import VolumeEventData from "./VolumeEventData";
 
 
 type MessageListener = (namespace: string, message: string) => void;
diff --git a/ext/src/shim/framework/classes/RemotePlayerController.ts b/ext/src/shim/framework/classes/RemotePlayerController.ts
index b8314de..ee321a4 100644
--- a/ext/src/shim/framework/classes/RemotePlayerController.ts
+++ b/ext/src/shim/framework/classes/RemotePlayerController.ts
@@ -1,7 +1,6 @@
 "use strict";
 
 import RemotePlayer from "./RemotePlayer";
-import RemotePlayerChangedEvent from "./RemotePlayerChangedEvent";
 
 
 export default class RemotePlayerController extends EventTarget {
diff --git a/ext/src/shim/framework/enums.ts b/ext/src/shim/framework/enums.ts
index c5ee334..2989cb3 100644
--- a/ext/src/shim/framework/enums.ts
+++ b/ext/src/shim/framework/enums.ts
@@ -1,64 +1,64 @@
 "use strict";
 
-export const ActiveInputState = {
-    ACTIVE_INPUT_STATE_UNKNOWN: -1
-  , ACTIVE_INPUT_STATE_NO: 0
-  , ACTIVE_INPUT_YES: 1
-};
+export enum ActiveInputState {
+    ACTIVE_INPUT_STATE_UNKNOWN = -1
+  , ACTIVE_INPUT_STATE_NO = 0
+  , ACTIVE_INPUT_YES = 1
+}
 
-export const CastContextEventType = {
-    CAST_STATE_CHANGED: "caststatechanged"
-  , SESSION_STATE_CHANGED: "sessionstatechanged"
-};
+export enum CastContextEventType {
+    CAST_STATE_CHANGED = "caststatechanged"
+  , SESSION_STATE_CHANGED = "sessionstatechanged"
+}
 
-export const CastState = {
-    NO_DEVICES_AVAILABLE: "NO_DEVICES_AVAILABLE"
-  , NOT_CONNECTED: "NOT_CONNECTED"
-  , CONNECTING: "CONNECTING"
-  , CONNECTED: "CONNECTED"
-};
+export enum CastState {
+    NO_DEVICES_AVAILABLE = "NO_DEVICES_AVAILABLE"
+  , NOT_CONNECTED = "NOT_CONNECTED"
+  , CONNECTING = "CONNECTING"
+  , CONNECTED = "CONNECTED"
+}
 
-export const LoggerLevel = {
-    DEBUG: 0
-  , INFO: 800
-  , WARNING: 900
-  , ERROR: 1000
-  , NONE: 1500
-};
+export enum LoggerLevel {
+    DEBUG = 0
+  , INFO = 800
+  , WARNING = 900
+  , ERROR = 1000
+  , NONE = 1500
+}
 
-export const RemotePlayerEventType = {
-    ANY_CHANGE: "anyChanged"
-  , IS_CONNECTED_CHANGE: "isConnectedChanged"
-  , IS_MEDIA_LOADED_CHANGED: "isMediaLoadedChanged"
-  , DURATION_CHANGED: "durationChanged"
-  , CURRENT_TIME_CHANGED: "currentTimeChanged"
-  , IS_PAUSED_CHANGED: "isPausedChanged"
-  , VOLUME_LEVEL_CHANGED: "volumeLevelChanged"
-  , CAN_CONTROL_VOLUME_CHANGED: "canControlVolumeChanged"
-  , IS_MUTED_CHANGED: "isMutedChanged"
-  , CAN_PAUSE_CHANGED: "canPauseChanged"
-  , CAN_SEEK_CHANGED: "canSeekChanged"
-  , DISPLAY_NAME_CHANGED: "displayNameChanged"
-  , STATUS_TEXT_CHANGED: "statusTextChanged"
-  , MEDIA_INFO_CHANGED: "mediaInfoChanged"
-  , IMAGE_URL_CHANGED: "imageUrlChanged"
-  , PLAYER_STATE_CHANGED: "playerStateChanged"
-};
+export enum RemotePlayerEventType {
+    ANY_CHANGE = "anyChanged"
+  , IS_CONNECTED_CHANGE = "isConnectedChanged"
+  , IS_MEDIA_LOADED_CHANGED = "isMediaLoadedChanged"
+  , DURATION_CHANGED = "durationChanged"
+  , CURRENT_TIME_CHANGED = "currentTimeChanged"
+  , IS_PAUSED_CHANGED = "isPausedChanged"
+  , VOLUME_LEVEL_CHANGED = "volumeLevelChanged"
+  , CAN_CONTROL_VOLUME_CHANGED = "canControlVolumeChanged"
+  , IS_MUTED_CHANGED = "isMutedChanged"
+  , CAN_PAUSE_CHANGED = "canPauseChanged"
+  , CAN_SEEK_CHANGED = "canSeekChanged"
+  , DISPLAY_NAME_CHANGED = "displayNameChanged"
+  , STATUS_TEXT_CHANGED = "statusTextChanged"
+  , MEDIA_INFO_CHANGED = "mediaInfoChanged"
+  , IMAGE_URL_CHANGED = "imageUrlChanged"
+  , PLAYER_STATE_CHANGED = "playerStateChanged"
+}
 
-export const SessionEventType = {
-    APPLICATION_STATUS_CHANGED: "applicationstatuschanged"
-  , APPLICATION_METADATA_CHANGED: "applicationmetadatachanged"
-  , ACTIVE_INPUT_STATE_CHANGED: "activeinputstatechanged"
-  , VOLUME_CHANGED: "volumechanged"
-  , MEDIA_SESSION: "mediasession"
-};
+export enum SessionEventType {
+    APPLICATION_STATUS_CHANGED = "applicationstatuschanged"
+  , APPLICATION_METADATA_CHANGED = "applicationmetadatachanged"
+  , ACTIVE_INPUT_STATE_CHANGED = "activeinputstatechanged"
+  , VOLUME_CHANGED = "volumechanged"
+  , MEDIA_SESSION = "mediasession"
+}
 
-export const SessionState = {
-    NO_SESSION: "NO_SESSION"
-  , SESSION_STARTING: "SESSION_STARTING"
-  , SESSION_STARTED: "SESSION_STARTED"
-  , SESSION_START_FAILED: "SESSION_START_FAILED"
-  , SESSION_ENDING: "SESSION_ENDING"
-  , SESSION_ENDED: "SESSION_ENDED"
-  , SESSION_RESUMED: "SESSION_RESUMED"
-};
+export enum SessionState {
+    NO_SESSION = "NO_SESSION"
+  , SESSION_STARTING = "SESSION_STARTING"
+  , SESSION_STARTED = "SESSION_STARTED"
+  , SESSION_START_FAILED = "SESSION_START_FAILED"
+  , SESSION_ENDING = "SESSION_ENDING"
+  , SESSION_ENDED = "SESSION_ENDED"
+  , SESSION_RESUMED = "SESSION_RESUMED"
+}
diff --git a/ext/src/shim/framework/index.ts b/ext/src/shim/framework/index.ts
index e50a2ed..fc13b3f 100644
--- a/ext/src/shim/framework/index.ts
+++ b/ext/src/shim/framework/index.ts
@@ -1,6 +1,5 @@
 "use strict";
 
-import * as cast from "../cast";
 
 import ActiveInputStateEventData from "./classes/ActiveInputStateEventData";
 import ApplicationMetadata from "./classes/ApplicationMetadata";
@@ -28,8 +27,6 @@ import { ActiveInputState
 
 import GoogleCastLauncher from "./GoogleCastLauncher";
 
-import { onMessage } from "../eventMessageChannel";
-
 
 export default {
     // Enums
diff --git a/ext/src/ui/options/Bridge.tsx b/ext/src/ui/options/Bridge.tsx
index e37d5c4..245476d 100644
--- a/ext/src/ui/options/Bridge.tsx
+++ b/ext/src/ui/options/Bridge.tsx
@@ -4,55 +4,12 @@
 import React, { Component } from "react";
 import semver from "semver";
 
-import { getNextEllipsis
-       , getWindowCenteredProps } from "../../lib/utils";
-
 import { BridgeInfo } from "../../lib/bridge";
+import { getNextEllipsis } from "../../lib/utils";
+
 
 const _ = browser.i18n.getMessage;
 
-const ENDPOINT_URL = "https://api.github.com/repos/hensm/fx_cast/releases/latest";
-
-
-async function downloadApp (info: any, platform: string) {
-    const download = browser.downloads.download({
-        filename: info[platform].name
-      , url: info[platform].url
-    });
-}
-
-
-interface BridgeDownloadsProps {
-    info: any;
-}
-
-const BridgeDownloads = (props: BridgeDownloadsProps) => (
-    <div className="bridge-downloads">
-        <button className="bridge-downloads__download
-                           bridge-downloads__win"
-                disabled
-                onClick={ () => downloadApp(props.info, "win") }>
-            Windows
-        </button>
-        <button className="bridge-downloads__download
-                           bridge-downloads__mac"
-                onClick={ () => downloadApp(props.info, "mac") }>
-            macOS
-        </button>
-
-        <div className="bridge-downloads__linux">
-            <button className="bridge-downloads__download"
-                    onClick={ () => downloadApp(props.info, "deb") }>
-                Linux (deb)
-            </button>
-            <button className="bridge-downloads__download"
-                    onClick={ () => downloadApp(props.info, "rpm") }>
-                Linux (rpm)
-            </button>
-        </div>
-    </div>
-);
-
 
 interface BridgeStatsProps {
     info: BridgeInfo;
@@ -236,7 +193,7 @@ export default class Bridge extends Component<BridgeProps, BridgeState> {
             }));
         }, 500);
 
-        fetch(ENDPOINT_URL)
+        fetch("https://api.github.com/repos/hensm/fx_cast/releases/latest")
             .then(res => {
                 window.clearTimeout(timeout);
                 return res.json();
diff --git a/ext/src/ui/options/index.tsx b/ext/src/ui/options/index.tsx
index 7dc3c5e..6bf09a1 100644
--- a/ext/src/ui/options/index.tsx
+++ b/ext/src/ui/options/index.tsx
@@ -400,19 +400,6 @@ class OptionsApp extends Component<{}, OptionsAppState> {
     private getWhitelistItemPatternError (info: string): string {
         return _("optionsUserAgentWhitelistInvalidMatchPattern", info);
     }
-
-    private async updateBridgeInfo () {
-        this.setState({
-            bridgeLoading: true
-        });
-
-        const bridgeInfo = await bridge.getInfo();
-
-        this.setState({
-            bridgeInfo
-          , bridgeLoading: false
-        });
-    }
 }