diff --git a/internal/store/pg/teams_tasks_lifecycle.go b/internal/store/pg/teams_tasks_lifecycle.go
index 4e55aaa8..d474eeee 100644
--- a/internal/store/pg/teams_tasks_lifecycle.go
+++ b/internal/store/pg/teams_tasks_lifecycle.go
@@ -65,6 +65,7 @@ func (s *PGTeamStore) CompleteTask(ctx context.Context, taskID, teamID uuid.UUID
 	res, err := tx.ExecContext(ctx,
 		`UPDATE team_tasks SET status = $1, result = $2, locked_at = NULL, lock_expires_at = NULL,
 		 followup_at = NULL, followup_count = 0, followup_message = NULL, followup_channel = NULL, followup_chat_id = NULL,
+		 progress_percent = NULL,
 		 updated_at = $3
 		 WHERE id = $4 AND status = $5 AND team_id = $6`,
 		store.TeamTaskStatusCompleted, result, time.Now(),
@@ -98,6 +99,7 @@ func (s *PGTeamStore) CancelTask(ctx context.Context, taskID, teamID uuid.UUID,
 	res, err := tx.ExecContext(ctx,
 		`UPDATE team_tasks SET status = $1, result = $2, locked_at = NULL, lock_expires_at = NULL,
 		 followup_at = NULL, followup_count = 0, followup_message = NULL, followup_channel = NULL, followup_chat_id = NULL,
+		 progress_percent = NULL,
 		 updated_at = $3
 		 WHERE id = $4 AND status NOT IN ($5, $1) AND team_id = $6`,
 		store.TeamTaskStatusCancelled, reason, now,
@@ -131,6 +133,7 @@ func (s *PGTeamStore) FailTask(ctx context.Context, taskID, teamID uuid.UUID, er
 	res, err := tx.ExecContext(ctx,
 		`UPDATE team_tasks SET status = $1, result = $2, locked_at = NULL, lock_expires_at = NULL,
 		 followup_at = NULL, followup_count = 0, followup_message = NULL, followup_channel = NULL, followup_chat_id = NULL,
+		 progress_percent = NULL,
 		 updated_at = $3
 		 WHERE id = $4 AND status = $5 AND team_id = $6`,
 		store.TeamTaskStatusFailed, "FAILED: "+errMsg, now,
@@ -163,7 +166,8 @@ func (s *PGTeamStore) FailPendingTask(ctx context.Context, taskID, teamID uuid.U
 
 	now := time.Now()
 	res, err := tx.ExecContext(ctx,
-		`UPDATE team_tasks SET status = $1, result = $2, locked_at = NULL, lock_expires_at = NULL, updated_at = $3
+		`UPDATE team_tasks SET status = $1, result = $2, locked_at = NULL, lock_expires_at = NULL,
+		 progress_percent = NULL, updated_at = $3
 		 WHERE id = $4 AND status IN ($5, $6) AND team_id = $7`,
 		store.TeamTaskStatusFailed, "FAILED: "+errMsg, now,
 		taskID, store.TeamTaskStatusPending, store.TeamTaskStatusBlocked, teamID,
@@ -230,6 +234,7 @@ func (s *PGTeamStore) ApproveTask(ctx context.Context, taskID, teamID uuid.UUID,
 	res, err := tx.ExecContext(ctx,
 		`UPDATE team_tasks SET status = $1, locked_at = NULL, lock_expires_at = NULL,
 		 followup_at = NULL, followup_count = 0, followup_message = NULL, followup_channel = NULL, followup_chat_id = NULL,
+		 progress_percent = NULL,
 		 updated_at = $2
 		 WHERE id = $3 AND status = $4 AND team_id = $5`,
 		store.TeamTaskStatusCompleted, now,
@@ -263,6 +268,7 @@ func (s *PGTeamStore) RejectTask(ctx context.Context, taskID, teamID uuid.UUID,
 	res, err := tx.ExecContext(ctx,
 		`UPDATE team_tasks SET status = $1, result = $2, locked_at = NULL, lock_expires_at = NULL,
 		 followup_at = NULL, followup_count = 0, followup_message = NULL, followup_channel = NULL, followup_chat_id = NULL,
+		 progress_percent = NULL,
 		 updated_at = $3
 		 WHERE id = $4 AND status = $5 AND team_id = $6`,
 		store.TeamTaskStatusCancelled, reason, now,
diff --git a/ui/web/src/pages/teams/board/kanban-card.tsx b/ui/web/src/pages/teams/board/kanban-card.tsx
index 31b48eda..d0c1505a 100644
--- a/ui/web/src/pages/teams/board/kanban-card.tsx
+++ b/ui/web/src/pages/teams/board/kanban-card.tsx
@@ -104,7 +104,7 @@ export const KanbanCard = memo(function KanbanCard({ task, isTeamV2, emojiLookup
         </span>
       </div>
 
-      {isTeamV2 && task.progress_percent != null && task.progress_percent > 0 && (
+      {isTeamV2 && task.progress_percent != null && task.progress_percent > 0 && !isTerminalStatus(task.status) && (
         <div className="mt-2 flex items-center gap-1.5">
           <div className="h-1.5 flex-1 rounded-full bg-muted">
             <div className="h-full rounded-full bg-primary transition-all" style={{ width: `${task.progress_percent}%` }} />
diff --git a/ui/web/src/pages/teams/task-sections/task-detail-dialog.tsx b/ui/web/src/pages/teams/task-sections/task-detail-dialog.tsx
index 44f26326..e8b22542 100644
--- a/ui/web/src/pages/teams/task-sections/task-detail-dialog.tsx
+++ b/ui/web/src/pages/teams/task-sections/task-detail-dialog.tsx
@@ -121,7 +121,7 @@ export function TaskDetailDialog({
           )}
 
           {/* Progress bar (V2) */}
-          {isTeamV2 && task.progress_percent != null && task.progress_percent > 0 && (
+          {isTeamV2 && task.progress_percent != null && task.progress_percent > 0 && !isTerminalStatus(task.status) && (
             <div className="space-y-1">
               <div className="flex justify-between text-xs text-muted-foreground">
                 <span>{t("tasks.detail.progress")}</span>
diff --git a/ui/web/src/pages/teams/task-sections/task-list.tsx b/ui/web/src/pages/teams/task-sections/task-list.tsx
index 47c38796..f7bf81c3 100644
--- a/ui/web/src/pages/teams/task-sections/task-list.tsx
+++ b/ui/web/src/pages/teams/task-sections/task-list.tsx
@@ -80,7 +80,7 @@ export function TaskList({
                 {task.task_type && task.task_type !== "general" && (
                   <Badge variant="outline" className="mt-0.5 text-[10px]">{task.task_type}</Badge>
                 )}
-                {isTeamV2 && task.progress_percent != null && task.progress_percent > 0 && (
+                {isTeamV2 && task.progress_percent != null && task.progress_percent > 0 && !isTerminalStatus(task.status) && (
                   <div className="mt-1 flex items-center gap-1.5">
                     <div className="h-1.5 flex-1 rounded-full bg-muted">
                       <div className="h-full rounded-full bg-primary transition-all" style={{ width: `${task.progress_percent}%` }} />