diff --git a/back/src/Controller/AuthenticateController.ts b/back/src/Controller/AuthenticateController.ts
index 55036a0e..4d950815 100644
--- a/back/src/Controller/AuthenticateController.ts
+++ b/back/src/Controller/AuthenticateController.ts
@@ -77,20 +77,18 @@ export class AuthenticateController extends BaseController {
         });
 
         this.App.post("/anonymLogin", (res: HttpResponse, req: HttpRequest) => {
-            (async () => {
-                this.addCorsHeaders(res);
+            this.addCorsHeaders(res);
 
-                res.onAborted(() => {
-                    console.warn('Login request was aborted');
-                })
+            res.onAborted(() => {
+                console.warn('Login request was aborted');
+            })
 
-                const userUuid = v4();
-                const authToken = jwtTokenManager.createJWTToken(userUuid);
-                res.writeStatus("200 OK").end(JSON.stringify({
-                    authToken,
-                    userUuid,
-                }));
-            })();
+            const userUuid = v4();
+            const authToken = jwtTokenManager.createJWTToken(userUuid);
+            res.writeStatus("200 OK").end(JSON.stringify({
+                authToken,
+                userUuid,
+            }));
         });
     }
 }
diff --git a/back/src/Model/RoomIdentifier.ts b/back/src/Model/RoomIdentifier.ts
index 9bb58bb9..2cba16fd 100644
--- a/back/src/Model/RoomIdentifier.ts
+++ b/back/src/Model/RoomIdentifier.ts
@@ -2,9 +2,9 @@ export class RoomIdentifier {
     public anonymous: boolean;
     public id:string
     constructor(roomID: string) {
-        if (roomID.indexOf('_/') === 0) {
+        if (roomID.startsWith('_/')) {
             this.anonymous = true;
-        } else if(roomID.indexOf('@/') === 0) {
+        } else if(roomID.startsWith('@/')) {
             this.anonymous = false;
         } else {
             throw new Error('Incorrect room ID: '+roomID);
diff --git a/front/src/Administration/ConsoleGlobalMessageManager.ts b/front/src/Administration/ConsoleGlobalMessageManager.ts
index 64e417a0..8258d0ed 100644
--- a/front/src/Administration/ConsoleGlobalMessageManager.ts
+++ b/front/src/Administration/ConsoleGlobalMessageManager.ts
@@ -6,7 +6,6 @@ import {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";
 export const CLASS_CONSOLE_MESSAGE = 'main-console';
 export const INPUT_CONSOLE_MESSAGE = 'input-send-text';
 export const UPLOAD_CONSOLE_MESSAGE = 'input-upload-music';
-export const BUTTON_CONSOLE_SEND = 'button-send';
 export const INPUT_TYPE_CONSOLE = 'input-type';
 
 export const AUDIO_TYPE = 'audio';
@@ -124,7 +123,7 @@ export class ConsoleGlobalMessageManager {
             // Start loading CSS
             const cssPromise = ConsoleGlobalMessageManager.loadCss();
             // Import quill
-            const Quill = await import("quill") as any;
+            const Quill:any = await import("quill"); // eslint-disable-line @typescript-eslint/no-explicit-any
             // Wait for CSS to be loaded
             await cssPromise;
 
diff --git a/front/src/Connexion/ConnectionManager.ts b/front/src/Connexion/ConnectionManager.ts
index 615f75b9..9fb7cbdb 100644
--- a/front/src/Connexion/ConnectionManager.ts
+++ b/front/src/Connexion/ConnectionManager.ts
@@ -18,7 +18,7 @@ class ConnectionManager {
         const connexionType = urlManager.getGameConnexionType();
         if(connexionType === GameConnexionTypes.register) {
            const organizationMemberToken = urlManager.getOrganizationToken();
-            const data:any = await Axios.post(`${API_URL}/register`, {organizationMemberToken}).then(res => res.data);
+            const data = await Axios.post(`${API_URL}/register`, {organizationMemberToken}).then(res => res.data);
             this.localUser = new LocalUser(data.userUuid, data.authToken);
             localUserStore.saveUser(this.localUser);
            
@@ -35,7 +35,7 @@ class ConnectionManager {
             if (localUser) {
                 this.localUser = localUser
             } else {
-                const data:any = await Axios.post(`${API_URL}/anonymLogin`).then(res => res.data);
+                const data = await Axios.post(`${API_URL}/anonymLogin`).then(res => res.data);
                 this.localUser = new LocalUser(data.userUuid, data.authToken);
                 localUserStore.saveUser(this.localUser);
             }
diff --git a/front/src/Phaser/Game/GameManager.ts b/front/src/Phaser/Game/GameManager.ts
index 22123d1c..01eee687 100644
--- a/front/src/Phaser/Game/GameManager.ts
+++ b/front/src/Phaser/Game/GameManager.ts
@@ -58,7 +58,7 @@ export class GameManager {
         return mapUrlStart.substring(startPos, endPos);
     }
 
-    public async goToStartingMap(scenePlugin: Phaser.Scenes.ScenePlugin) {
+    public goToStartingMap(scenePlugin: Phaser.Scenes.ScenePlugin) {
         console.log('Starting scene '+this.startRoom.url);
         scenePlugin.start(this.startRoom.url, {startLayerName: 'global'});
     }
diff --git a/front/src/Phaser/Login/EnableCameraScene.ts b/front/src/Phaser/Login/EnableCameraScene.ts
index 3916587a..1d8bf3d3 100644
--- a/front/src/Phaser/Login/EnableCameraScene.ts
+++ b/front/src/Phaser/Login/EnableCameraScene.ts
@@ -258,7 +258,7 @@ export class EnableCameraScene extends Phaser.Scene {
         this.soundMeterSprite.setVolume(this.soundMeter.getVolume());
     }
 
-    private async login(): Promise<void> {
+    private login(): void {
         this.getElementByIdOrFail<HTMLDivElement>('webRtcSetup').style.display = 'none';
         this.soundMeter.stop();
         window.removeEventListener('resize', this.repositionCallback);
diff --git a/front/src/Url/UrlManager.ts b/front/src/Url/UrlManager.ts
index ae8725bc..0199bf75 100644
--- a/front/src/Url/UrlManager.ts
+++ b/front/src/Url/UrlManager.ts
@@ -12,11 +12,11 @@ class UrlManager {
     //todo: use that to detect if we can find a token in localstorage
     public getGameConnexionType(): GameConnexionTypes {
         const url = window.location.pathname.toString();
-        if (url.indexOf('_/') > -1) {
+        if (url.includes('_/')) {
             return GameConnexionTypes.anonymous;
-        } else if (url.indexOf('@/') > -1) {
+        } else if (url.includes('@/')) {
             return GameConnexionTypes.organization;
-        } else if(url.indexOf('register/') > -1) {
+        } else if(url.includes('register/')) {
             return GameConnexionTypes.register
         } else {
             return GameConnexionTypes.unknown