diff --git a/globals.native.d.ts b/globals.native.d.ts
index 110e465ef7..79e8352eec 100644
--- a/globals.native.d.ts
+++ b/globals.native.d.ts
@@ -30,6 +30,7 @@ interface IWindow {
     setImmediate: typeof setImmediate;
     clearImmediate: typeof clearImmediate;
     addEventListener: Function;
+    removeEventListener: Function;
 }
 
 interface INavigator {
diff --git a/react/features/base/color-scheme/ColorSchemeRegistry.ts b/react/features/base/color-scheme/ColorSchemeRegistry.ts
index 3d23c1d57a..721b6c16a2 100644
--- a/react/features/base/color-scheme/ColorSchemeRegistry.ts
+++ b/react/features/base/color-scheme/ColorSchemeRegistry.ts
@@ -88,7 +88,7 @@ class ColorSchemeRegistry {
     _applyColorScheme(
             stateful: IStateful,
             componentName: string,
-            style: StyleType): StyleType {
+            style: StyleType | null): StyleType {
         let schemedStyle: any;
 
         if (Array.isArray(style)) {
@@ -115,8 +115,8 @@ class ColorSchemeRegistry {
                     // The value is another style object, we apply the same
                     // transformation recursively.
                     schemedStyle[styleName]
-                        = this._applyColorScheme( // @ts-ignore
-                            stateful, componentName, styleValue);
+                        = this._applyColorScheme(
+                            stateful, componentName, styleValue as StyleType);
                 } else if (typeof styleValue === 'function') {
                     // The value is a function, which indicates that it's a
                     // dynamic, schemed color we need to resolve.
diff --git a/react/features/base/conference/actions.ts b/react/features/base/conference/actions.ts
index a0fa40d2ff..e3761ba443 100644
--- a/react/features/base/conference/actions.ts
+++ b/react/features/base/conference/actions.ts
@@ -98,34 +98,32 @@ function _addConferenceListeners(conference: IJitsiConference, dispatch: IStore[
         JitsiConferenceEvents.AUTH_STATUS_CHANGED,
         (authEnabled: boolean, authLogin: string) => dispatch(authStatusChanged(authEnabled, authLogin)));
     conference.on(
-        JitsiConferenceEvents.CONFERENCE_FAILED, // @ts-ignore
-        (...args: any[]) => dispatch(conferenceFailed(conference, ...args)));
+        JitsiConferenceEvents.CONFERENCE_FAILED,
+        (err: string, ...args: any[]) => dispatch(conferenceFailed(conference, err, ...args)));
     conference.on(
-        JitsiConferenceEvents.CONFERENCE_JOINED, // @ts-ignore
-        (...args: any[]) => dispatch(conferenceJoined(conference, ...args)));
+        JitsiConferenceEvents.CONFERENCE_JOINED,
+        (..._args: any[]) => dispatch(conferenceJoined(conference)));
     conference.on(
-        JitsiConferenceEvents.CONFERENCE_UNIQUE_ID_SET, // @ts-ignore
-        (...args: any[]) => dispatch(conferenceUniqueIdSet(conference, ...args)));
+        JitsiConferenceEvents.CONFERENCE_UNIQUE_ID_SET,
+        (..._args: any[]) => dispatch(conferenceUniqueIdSet(conference)));
     conference.on(
-        JitsiConferenceEvents.CONFERENCE_JOIN_IN_PROGRESS, // @ts-ignore
-        (...args: any[]) => dispatch(conferenceJoinInProgress(conference, ...args)));
+        JitsiConferenceEvents.CONFERENCE_JOIN_IN_PROGRESS,
+        (..._args: any[]) => dispatch(conferenceJoinInProgress(conference)));
     conference.on(
         JitsiConferenceEvents.CONFERENCE_LEFT,
-        (...args: any[]) => {
+        (..._args: any[]) => {
             dispatch(conferenceTimestampChanged(0));
-
-            // @ts-ignore
-            dispatch(conferenceLeft(conference, ...args));
+            dispatch(conferenceLeft(conference));
         });
-    conference.on(JitsiConferenceEvents.SUBJECT_CHANGED, // @ts-ignore
-        (...args: any[]) => dispatch(conferenceSubjectChanged(...args)));
+    conference.on(JitsiConferenceEvents.SUBJECT_CHANGED,
+        (subject: string) => dispatch(conferenceSubjectChanged(subject)));
 
-    conference.on(JitsiConferenceEvents.CONFERENCE_CREATED_TIMESTAMP, // @ts-ignore
-        (...args: any[]) => dispatch(conferenceTimestampChanged(...args)));
+    conference.on(JitsiConferenceEvents.CONFERENCE_CREATED_TIMESTAMP,
+        (timestamp: number) => dispatch(conferenceTimestampChanged(timestamp)));
 
     conference.on(
-        JitsiConferenceEvents.KICKED, // @ts-ignore
-        (...args: any[]) => dispatch(kickedOut(conference, ...args)));
+        JitsiConferenceEvents.KICKED,
+        (participant: any) => dispatch(kickedOut(conference, participant)));
 
     conference.on(
         JitsiConferenceEvents.PARTICIPANT_KICKED,
@@ -136,8 +134,8 @@ function _addConferenceListeners(conference: IJitsiConference, dispatch: IStore[
         (jitsiParticipant: IJitsiParticipant) => dispatch(participantSourcesUpdated(jitsiParticipant)));
 
     conference.on(
-        JitsiConferenceEvents.LOCK_STATE_CHANGED, // @ts-ignore
-        (...args: any[]) => dispatch(lockStateChanged(conference, ...args)));
+        JitsiConferenceEvents.LOCK_STATE_CHANGED,
+        (locked: boolean) => dispatch(lockStateChanged(conference, locked)));
 
     // Dispatches into features/base/media follow:
 
@@ -220,12 +218,12 @@ function _addConferenceListeners(conference: IJitsiConference, dispatch: IStore[
         });
 
     conference.on(
-        JitsiConferenceEvents.ENDPOINT_MESSAGE_RECEIVED, // @ts-ignore
-        (...args: any[]) => dispatch(endpointMessageReceived(...args)));
+        JitsiConferenceEvents.ENDPOINT_MESSAGE_RECEIVED,
+        (participant: Object, json: Object) => dispatch(endpointMessageReceived(participant, json)));
 
     conference.on(
-        JitsiConferenceEvents.NON_PARTICIPANT_MESSAGE_RECEIVED, // @ts-ignore
-        (...args: any[]) => dispatch(nonParticipantMessageReceived(...args)));
+        JitsiConferenceEvents.NON_PARTICIPANT_MESSAGE_RECEIVED,
+        (id: string, json: Object) => dispatch(nonParticipantMessageReceived(id, json)));
 
     conference.on(
         JitsiConferenceEvents.USER_JOINED,
@@ -234,15 +232,15 @@ function _addConferenceListeners(conference: IJitsiConference, dispatch: IStore[
         JitsiConferenceEvents.USER_LEFT,
         (_id: string, user: any) => commonUserLeftHandling({ dispatch }, conference, user));
     conference.on(
-        JitsiConferenceEvents.USER_ROLE_CHANGED, // @ts-ignore
-        (...args: any[]) => dispatch(participantRoleChanged(...args)));
+        JitsiConferenceEvents.USER_ROLE_CHANGED,
+        (id: string, role: string) => dispatch(participantRoleChanged(id, role)));
     conference.on(
-        JitsiConferenceEvents.USER_STATUS_CHANGED, // @ts-ignore
-        (...args: any[]) => dispatch(participantPresenceChanged(...args)));
+        JitsiConferenceEvents.USER_STATUS_CHANGED,
+        (id: string, presence: string) => dispatch(participantPresenceChanged(id, presence)));
 
     conference.on(
-        JitsiE2ePingEvents.E2E_RTT_CHANGED, // @ts-ignore
-        (...args: any[]) => dispatch(e2eRttChanged(...args)));
+        JitsiE2ePingEvents.E2E_RTT_CHANGED,
+        (participant: Object, rtt: number) => dispatch(e2eRttChanged(participant, rtt)));
 
     conference.on(
         JitsiConferenceEvents.BOT_TYPE_CHANGED,
@@ -633,7 +631,7 @@ export function endConference() {
  *     participant: JitsiParticipant
  * }}
  */
-export function kickedOut(conference: Object, participant: Object) {
+export function kickedOut(conference: IJitsiConference, participant: Object) {
     return {
         type: KICKED_OUT,
         conference,
@@ -673,7 +671,7 @@ export function leaveConference() {
  *     locked: boolean
  * }}
  */
-export function lockStateChanged(conference: Object, locked: boolean) {
+export function lockStateChanged(conference: IJitsiConference, locked: boolean) {
     return {
         type: LOCK_STATE_CHANGED,
         conference,
@@ -692,7 +690,7 @@ export function lockStateChanged(conference: Object, locked: boolean) {
  *      json: Object
  * }}
  */
-export function nonParticipantMessageReceived(id: String, json: Object) {
+export function nonParticipantMessageReceived(id: string, json: Object) {
     return {
         type: NON_PARTICIPANT_MESSAGE_RECEIVED,
         id,
diff --git a/react/features/base/conference/middleware.any.ts b/react/features/base/conference/middleware.any.ts
index 306ff3542d..bfbb089ac4 100644
--- a/react/features/base/conference/middleware.any.ts
+++ b/react/features/base/conference/middleware.any.ts
@@ -67,7 +67,7 @@ import logger from './logger';
 /**
  * Handler for before unload event.
  */
-let beforeUnloadHandler: Function | undefined;
+let beforeUnloadHandler: (() => void) | undefined;
 
 /**
  * Implements the middleware of the feature base/conference.
@@ -295,7 +295,6 @@ function _conferenceJoined({ dispatch, getState }: IStore, next: Function, actio
         dispatch(overwriteConfig({ disableFocus: false }));
     }
 
-    // @ts-ignore
     window.addEventListener(disableBeforeUnloadHandlers ? 'unload' : 'beforeunload', beforeUnloadHandler);
 
     if (requireDisplayName
@@ -513,7 +512,6 @@ function _removeUnloadHandler(getState: IStore['getState']) {
     if (typeof beforeUnloadHandler !== 'undefined') {
         const { disableBeforeUnloadHandlers = false } = getState()['features/base/config'];
 
-        // @ts-ignore
         window.removeEventListener(disableBeforeUnloadHandlers ? 'unload' : 'beforeunload', beforeUnloadHandler);
         beforeUnloadHandler = undefined;
     }
diff --git a/react/features/base/lib-jitsi-meet/functions.any.ts b/react/features/base/lib-jitsi-meet/functions.any.ts
index 882be13d11..8ffe1c5267 100644
--- a/react/features/base/lib-jitsi-meet/functions.any.ts
+++ b/react/features/base/lib-jitsi-meet/functions.any.ts
@@ -2,7 +2,6 @@ import { IStateful } from '../app/types';
 import { ConnectionFailedError } from '../connection/actions.any';
 import { toState } from '../redux/functions';
 
-// @ts-ignore
 import JitsiMeetJS from './_';
 
 
diff --git a/react/features/base/react/components/web/Watermarks.tsx b/react/features/base/react/components/web/Watermarks.tsx
index 9c9a8c620b..04c03eca7a 100644
--- a/react/features/base/react/components/web/Watermarks.tsx
+++ b/react/features/base/react/components/web/Watermarks.tsx
@@ -168,10 +168,10 @@ class Watermarks extends Component<IProps, State> {
                 maxWidth: 140,
                 maxHeight: 70,
                 position: _logoLink ? 'static' : 'absolute'
-            };
+            } as const;
 
             reactElement = (<div
-                className = { className } // @ts-ignore
+                className = { className }
                 style = { style } />);
 
             if (_logoLink) {
diff --git a/react/features/base/sounds/components/SoundCollection.ts b/react/features/base/sounds/components/SoundCollection.ts
index 57b60c9442..b6a3ce8cbc 100644
--- a/react/features/base/sounds/components/SoundCollection.ts
+++ b/react/features/base/sounds/components/SoundCollection.ts
@@ -57,7 +57,7 @@ class SoundCollection extends Component<IProps> {
             sounds.push(
                 React.createElement(
                     Audio, {
-                        key, // @ts-ignore
+                        key,
                         setRef: this._setRef.bind(this, soundId),
                         src,
                         loop: options?.loop
diff --git a/react/features/chat/middleware.ts b/react/features/chat/middleware.ts
index 066959bc3e..eafb4bd180 100644
--- a/react/features/chat/middleware.ts
+++ b/react/features/chat/middleware.ts
@@ -35,8 +35,6 @@ import { showToolbox } from '../toolbox/actions';
 
 import { ADD_MESSAGE, CLOSE_CHAT, OPEN_CHAT, SEND_MESSAGE, SET_IS_POLL_TAB_FOCUSED } from './actionTypes';
 import { addMessage, clearMessages, closeChat } from './actions.any';
-// eslint-disable-next-line lines-around-comment
-// @ts-ignore
 import { ChatPrivacyDialog } from './components';
 import {
     INCOMING_MSG_SOUND_ID,
diff --git a/react/features/mobile/call-integration/reducer.ts b/react/features/mobile/call-integration/reducer.ts
index 37b982fd02..92c0cfb586 100644
--- a/react/features/mobile/call-integration/reducer.ts
+++ b/react/features/mobile/call-integration/reducer.ts
@@ -1,10 +1,7 @@
 import ReducerRegistry from '../../base/redux/ReducerRegistry';
 import { set } from '../../base/redux/functions';
 
-// @ts-ignore
 import CallKit from './CallKit';
-// eslint-disable-next-line lines-around-comment
-// @ts-ignore
 import ConnectionService from './ConnectionService';
 import { _SET_CALL_INTEGRATION_SUBSCRIPTIONS } from './actionTypes';
 
diff --git a/react/features/recording/components/Recording/LocalRecordingManager.web.ts b/react/features/recording/components/Recording/LocalRecordingManager.web.ts
index 840e2e0784..1e379b9d18 100644
--- a/react/features/recording/components/Recording/LocalRecordingManager.web.ts
+++ b/react/features/recording/components/Recording/LocalRecordingManager.web.ts
@@ -138,9 +138,7 @@ const LocalRecordingManager: ILocalRecordingManager = {
     async saveRecording(recordingData, filename) {
         // @ts-ignore
         const blob = await fixWebmDuration(new Blob(recordingData, { type: this.mediaType }));
-
-        // @ts-ignore
-        const url = window.URL.createObjectURL(blob);
+        const url = URL.createObjectURL(blob);
         const a = document.createElement('a');
 
         const extension = this.mediaType.slice(this.mediaType.indexOf('/') + 1, this.mediaType.indexOf(';'));
@@ -249,7 +247,6 @@ const LocalRecordingManager: ILocalRecordingManager = {
             });
             document.title = currentTitle;
 
-            // @ts-ignore
             const isBrowser = gdmStream.getVideoTracks()[0].getSettings().displaySurface === 'browser';
 
             if (!isBrowser || (supportsCaptureHandle // @ts-ignore
diff --git a/react/features/room-lock/actions.ts b/react/features/room-lock/actions.ts
index 4993b42d36..4bf62910e5 100644
--- a/react/features/room-lock/actions.ts
+++ b/react/features/room-lock/actions.ts
@@ -7,8 +7,6 @@ import { conferenceLeft, setPassword } from '../base/conference/actions';
 import { JITSI_CONFERENCE_URL_KEY } from '../base/conference/constants';
 import { IJitsiConference } from '../base/conference/reducer';
 import { hideDialog, openDialog } from '../base/dialog/actions';
-// eslint-disable-next-line lines-around-comment
-// @ts-ignore
 import { SecurityDialog } from '../security/components/security-dialog';
 
 import PasswordRequiredPrompt from './components/PasswordRequiredPrompt';
diff --git a/react/features/salesforce/actions.ts b/react/features/salesforce/actions.ts
index a8015fcf8a..54a23d65ba 100644
--- a/react/features/salesforce/actions.ts
+++ b/react/features/salesforce/actions.ts
@@ -7,7 +7,6 @@ import {
     SALESFORCE_LINK_NOTIFICATION_ID
 } from '../notifications/constants';
 
-// @ts-ignore
 import { SalesforceLinkDialog } from './components';
 import { isSalesforceEnabled } from './functions';
 
diff --git a/react/features/security/actions.ts b/react/features/security/actions.ts
index 0334c09f34..e371bc81a0 100644
--- a/react/features/security/actions.ts
+++ b/react/features/security/actions.ts
@@ -1,7 +1,6 @@
 import { IStore } from '../app/types';
 import { toggleDialog } from '../base/dialog/actions';
 
-// @ts-ignore
 import { SecurityDialog } from './components/security-dialog';
 
 /**
diff --git a/react/features/shared-video/actions.any.ts b/react/features/shared-video/actions.any.ts
index 6ea21af3b9..5eba10bbbd 100644
--- a/react/features/shared-video/actions.any.ts
+++ b/react/features/shared-video/actions.any.ts
@@ -4,8 +4,6 @@ import { openDialog } from '../base/dialog/actions';
 import { getLocalParticipant } from '../base/participants/functions';
 
 import { RESET_SHARED_VIDEO_STATUS, SET_SHARED_VIDEO_STATUS } from './actionTypes';
-// eslint-disable-next-line lines-around-comment
-// @ts-ignore
 import { SharedVideoDialog } from './components';
 
 /**
diff --git a/react/features/videosipgw/middleware.ts b/react/features/videosipgw/middleware.ts
index d16ea0ba00..dfd814ea19 100644
--- a/react/features/videosipgw/middleware.ts
+++ b/react/features/videosipgw/middleware.ts
@@ -39,9 +39,7 @@ MiddlewareRegistry.register(({ dispatch }) => next => action => {
 
         conference.on(
             JitsiConferenceEvents.VIDEO_SIP_GW_AVAILABILITY_CHANGED,
-
-            // @ts-ignore
-            (...args) => dispatch(_availabilityChanged(...args)));
+            (status: string) => dispatch(_availabilityChanged(status)));
         conference.on(
             JitsiConferenceEvents.VIDEO_SIP_GW_SESSION_STATE_CHANGED,
             (event: ISipSessionChangedEvent) => {