diff --git a/src/app/login/page.tsx b/src/app/login/page.tsx
index ab2bc25..34ee37f 100644
--- a/src/app/login/page.tsx
+++ b/src/app/login/page.tsx
@@ -37,7 +37,7 @@ export default function LoginPage() {
           router.push('/')
         }
       }
-    } catch (error) {
+    } catch {
       setError('Une erreur est survenue')
     } finally {
       setIsLoading(false)
diff --git a/src/components/ui/KeyboardShortcutsModal.tsx b/src/components/ui/KeyboardShortcutsModal.tsx
index 5b9d2f0..b5d51b5 100644
--- a/src/components/ui/KeyboardShortcutsModal.tsx
+++ b/src/components/ui/KeyboardShortcutsModal.tsx
@@ -1,7 +1,6 @@
 'use client';
 
 import { Modal } from './Modal';
-import { cn } from '@/lib/utils';
 
 interface KeyboardShortcut {
   keys: string[];
diff --git a/src/contexts/UserPreferencesContext.tsx b/src/contexts/UserPreferencesContext.tsx
index 1b0dc1f..eda5506 100644
--- a/src/contexts/UserPreferencesContext.tsx
+++ b/src/contexts/UserPreferencesContext.tsx
@@ -78,7 +78,7 @@ export function UserPreferencesProvider({ children, initialPreferences }: UserPr
   const [preferences, setPreferences] = useState<UserPreferences>(initialPreferences || defaultPreferences);
   const [isPending, startTransition] = useTransition();
   const { theme, toggleTheme: themeToggleTheme, setTheme: themeSetTheme } = useTheme();
-  const { data: session, status } = useSession();
+  const { status } = useSession();
 
   // Fonction pour charger les préférences côté client
   const loadUserPreferences = useCallback(async () => {
diff --git a/src/services/core/user-preferences.ts b/src/services/core/user-preferences.ts
index bbcf737..b464987 100644
--- a/src/services/core/user-preferences.ts
+++ b/src/services/core/user-preferences.ts
@@ -106,7 +106,7 @@ class UserPreferencesService {
    */
   async saveKanbanFilters(userId: string, filters: KanbanFilters): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.userPreferences.update({
         where: { userId },
         data: { kanbanFilters: filters }
@@ -138,7 +138,7 @@ class UserPreferencesService {
    */
   async saveViewPreferences(userId: string, preferences: ViewPreferences): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.userPreferences.update({
         where: { userId },
         data: { viewPreferences: preferences }
@@ -176,7 +176,7 @@ class UserPreferencesService {
    */
   async saveColumnVisibility(userId: string, visibility: ColumnVisibility): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.userPreferences.update({
         where: { userId },
         data: { columnVisibility: visibility },
@@ -230,7 +230,7 @@ class UserPreferencesService {
    */
   async saveJiraConfig(userId: string, config: JiraConfig): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.userPreferences.update({
         where: { userId },
         data: { jiraConfig: config as any } // eslint-disable-line @typescript-eslint/no-explicit-any
@@ -278,7 +278,7 @@ class UserPreferencesService {
    */
   async saveTfsConfig(userId: string, config: TfsConfig): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.userPreferences.update({
         where: { userId },
         data: { tfsConfig: config as any }, // eslint-disable-line @typescript-eslint/no-explicit-any
@@ -322,7 +322,7 @@ class UserPreferencesService {
     tfsSyncInterval: 'hourly' | 'daily' | 'weekly'
   ): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.$executeRaw`
         UPDATE user_preferences 
         SET tfsAutoSync = ${tfsAutoSync}, tfsSyncInterval = ${tfsSyncInterval}
@@ -345,7 +345,7 @@ class UserPreferencesService {
     tfsSyncInterval: 'hourly' | 'daily' | 'weekly';
   }> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       const result = await prisma.$queryRaw<
         Array<{ tfsAutoSync: number; tfsSyncInterval: string }>
       >`
@@ -388,7 +388,7 @@ class UserPreferencesService {
     jiraSyncInterval: 'hourly' | 'daily' | 'weekly'
   ): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       // Utiliser une requête SQL brute temporairement pour éviter les problèmes de types
       await prisma.$executeRaw`
         UPDATE user_preferences 
@@ -512,9 +512,9 @@ class UserPreferencesService {
    */
   async resetAllPreferences(userId: string): Promise<void> {
     try {
-      const userPrefs = await this.getOrCreateUserPreferences(userId);
+      await this.getOrCreateUserPreferences(userId);
       await prisma.userPreferences.update({
-        where: { userId: userPrefs.userId },
+        where: { userId },
         data: {
           kanbanFilters: DEFAULT_PREFERENCES.kanbanFilters,
           viewPreferences: DEFAULT_PREFERENCES.viewPreferences,
diff --git a/src/types/next-auth.d.ts b/src/types/next-auth.d.ts
index 636bdea..cdf6fbd 100644
--- a/src/types/next-auth.d.ts
+++ b/src/types/next-auth.d.ts
@@ -1,4 +1,5 @@
-import NextAuth from "next-auth"
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+import type NextAuth from "next-auth"
 
 declare module "next-auth" {
   interface Session {