diff --git a/src/components/kanban/KanbanFilters.tsx b/src/components/kanban/KanbanFilters.tsx
index 113e02a..00dc4b6 100644
--- a/src/components/kanban/KanbanFilters.tsx
+++ b/src/components/kanban/KanbanFilters.tsx
@@ -39,7 +39,8 @@ export function KanbanFilters({
   hiddenStatuses: propsHiddenStatuses,
   onToggleStatusVisibility,
 }: KanbanFiltersProps) {
-  const { regularTasks, activeFiltersCount } = useTasksContext();
+  const { regularTasks, activeFiltersCount, oldCompletedTasksCount } =
+    useTasksContext();
   const { preferences, toggleColumnVisibility } = useUserPreferences();
 
   // Utiliser les props si disponibles, sinon utiliser le context
@@ -130,6 +131,13 @@ export function KanbanFilters({
     });
   };
 
+  const handleHideCompletedOlderThan15DaysFilterToggle = () => {
+    onFiltersChange({
+      ...filters,
+      hideCompletedOlderThan15Days: !filters.hideCompletedOlderThan15Days,
+    });
+  };
+
   return (
     <ControlPanel className="bg-[var(--card)]/50 border-b border-[var(--border)]/50 backdrop-blur-sm">
       <div className="container mx-auto px-6 py-4">
@@ -219,10 +227,17 @@ export function KanbanFilters({
               <GeneralFilters
                 showWithDueDate={filters.showWithDueDate}
                 showCompletedLast7Days={filters.showCompletedLast7Days}
+                hideCompletedOlderThan15Days={
+                  filters.hideCompletedOlderThan15Days
+                }
+                oldCompletedTasksCount={oldCompletedTasksCount || 0}
                 onDueDateFilterToggle={handleDueDateFilterToggle}
                 onCompletedLast7DaysFilterToggle={
                   handleCompletedLast7DaysFilterToggle
                 }
+                onHideCompletedOlderThan15DaysFilterToggle={
+                  handleHideCompletedOlderThan15DaysFilterToggle
+                }
               />
             </div>
 
diff --git a/src/components/kanban/filters/GeneralFilters.tsx b/src/components/kanban/filters/GeneralFilters.tsx
index 7e07aa7..52ee6fa 100644
--- a/src/components/kanban/filters/GeneralFilters.tsx
+++ b/src/components/kanban/filters/GeneralFilters.tsx
@@ -1,21 +1,29 @@
 'use client';
 
 import { FilterChip } from '@/components/ui';
-import { Calendar, CheckCircle } from 'lucide-react';
+import { Calendar, CheckCircle, Clock } from 'lucide-react';
 
 interface GeneralFiltersProps {
   showWithDueDate?: boolean;
   showCompletedLast7Days?: boolean;
+  hideCompletedOlderThan15Days?: boolean;
+  oldCompletedTasksCount?: number;
   onDueDateFilterToggle: () => void;
   onCompletedLast7DaysFilterToggle: () => void;
+  onHideCompletedOlderThan15DaysFilterToggle: () => void;
 }
 
 export function GeneralFilters({
   showWithDueDate = false,
   showCompletedLast7Days = false,
+  hideCompletedOlderThan15Days = false,
+  oldCompletedTasksCount = 0,
   onDueDateFilterToggle,
   onCompletedLast7DaysFilterToggle,
+  onHideCompletedOlderThan15DaysFilterToggle,
 }: GeneralFiltersProps) {
+  console.log('GeneralFilters render:', { oldCompletedTasksCount });
+
   return (
     <div className="space-y-2">
       <label className="block text-xs font-mono font-medium text-[var(--muted-foreground)] uppercase tracking-wider">
@@ -37,6 +45,15 @@ export function GeneralFilters({
         >
           Complété les 7 derniers jours
         </FilterChip>
+
+        <FilterChip
+          onClick={onHideCompletedOlderThan15DaysFilterToggle}
+          variant={hideCompletedOlderThan15Days ? 'selected' : 'default'}
+          icon={<Clock className="w-4 h-4" />}
+          count={oldCompletedTasksCount}
+        >
+          Masquer terminés +7j
+        </FilterChip>
       </div>
     </div>
   );
diff --git a/src/contexts/TasksContext.tsx b/src/contexts/TasksContext.tsx
index 0284dc2..db4d3e1 100644
--- a/src/contexts/TasksContext.tsx
+++ b/src/contexts/TasksContext.tsx
@@ -34,6 +34,7 @@ interface TasksContextType {
   filteredTasks: Task[];
   pinnedTasks: Task[]; // Tâches avec tags épinglés (objectifs)
   activeFiltersCount: number; // Nombre de filtres actifs
+  oldCompletedTasksCount: number; // Nombre de tâches terminées depuis +15j
   // Tags
   tags: Tag[];
   tagsLoading: boolean;
@@ -64,6 +65,11 @@ export function TasksProvider({
   const { preferences, updateKanbanFilters, updateViewPreferences } =
     useUserPreferences();
 
+  // Fonction utilitaire pour identifier les statuts terminés
+  const isCompletedStatus = (status: TaskStatus): boolean => {
+    return ['done', 'cancelled', 'archived'].includes(status);
+  };
+
   // Construire l'objet KanbanFilters à partir des préférences
   const kanbanFilters: KanbanFilters = useMemo(
     () => ({
@@ -79,6 +85,8 @@ export function TasksProvider({
       showWithDueDate: preferences.kanbanFilters.showWithDueDate || false,
       showCompletedLast7Days:
         preferences.kanbanFilters.showCompletedLast7Days || false,
+      hideCompletedOlderThan15Days:
+        preferences.kanbanFilters.hideCompletedOlderThan15Days || false,
       // Filtres Jira
       showJiraOnly: preferences.kanbanFilters.showJiraOnly || false,
       hideJiraTasks: preferences.kanbanFilters.hideJiraTasks || false,
@@ -106,6 +114,7 @@ export function TasksProvider({
       sortBy: newFilters.sortBy,
       showWithDueDate: newFilters.showWithDueDate,
       showCompletedLast7Days: newFilters.showCompletedLast7Days,
+      hideCompletedOlderThan15Days: newFilters.hideCompletedOlderThan15Days,
       // Filtres Jira
       showJiraOnly: newFilters.showJiraOnly,
       hideJiraTasks: newFilters.hideJiraTasks,
@@ -277,12 +286,25 @@ export function TasksProvider({
 
       filtered = filtered.filter(
         (task) =>
-          task.status === 'done' &&
+          isCompletedStatus(task.status) &&
           task.completedAt &&
           task.completedAt >= sevenDaysAgo
       );
     }
 
+    // Filtre pour masquer les tâches terminées depuis plus de 7 jours
+    if (kanbanFilters.hideCompletedOlderThan15Days) {
+      const sevenDaysAgo = new Date();
+      sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+      filtered = filtered.filter(
+        (task) =>
+          !isCompletedStatus(task.status) ||
+          !task.completedAt ||
+          task.completedAt >= sevenDaysAgo
+      );
+    }
+
     // Tri des tâches
     if (kanbanFilters.sortBy) {
       const sortOption = getSortOption(kanbanFilters.sortBy);
@@ -302,6 +324,33 @@ export function TasksProvider({
     return filtered;
   }, [regularTasks, kanbanFilters]);
 
+  // Calculer le nombre de tickets terminés depuis plus de 7 jours
+  const oldCompletedTasksCount = useMemo(() => {
+    if (!regularTasks || regularTasks.length === 0) return 0;
+
+    const sevenDaysAgo = new Date();
+    sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+    const oldTasks = regularTasks.filter(
+      (task) =>
+        isCompletedStatus(task.status) &&
+        task.completedAt &&
+        task.completedAt < sevenDaysAgo
+    );
+
+    console.log('Debug old completed tasks:', {
+      sevenDaysAgo: sevenDaysAgo.toISOString(),
+      oldTasks: oldTasks.map((t) => ({
+        title: t.title,
+        status: t.status,
+        completedAt: t.completedAt,
+        isOld: t.completedAt ? t.completedAt < sevenDaysAgo : false,
+      })),
+    });
+
+    return oldTasks.length;
+  }, [regularTasks]);
+
   const contextValue: TasksContextType = {
     ...tasksState,
     regularTasks,
@@ -313,6 +362,7 @@ export function TasksProvider({
     filteredTasks,
     pinnedTasks,
     activeFiltersCount,
+    oldCompletedTasksCount,
   };
 
   return (
diff --git a/src/lib/types.ts b/src/lib/types.ts
index bbc834c..f346afa 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -85,6 +85,7 @@ export interface KanbanFilters {
   sortBy?: string;
   showWithDueDate?: boolean;
   showCompletedLast7Days?: boolean;
+  hideCompletedOlderThan15Days?: boolean;
   // Filtres spécifiques Jira
   showJiraOnly?: boolean;
   hideJiraTasks?: boolean;