diff --git a/openframe-frontend-core/src/components/features/board/index.ts b/openframe-frontend-core/src/components/features/board/index.ts
index 6a85380a6..c3be134a7 100644
--- a/openframe-frontend-core/src/components/features/board/index.ts
+++ b/openframe-frontend-core/src/components/features/board/index.ts
@@ -21,8 +21,6 @@ export type {
   BoardColumnDef,
   BoardPriority,
   BoardTicket,
-  BoardTicketActivity,
-  BoardTicketActivityKind,
   BoardTicketAssignee,
   BoardTicketPendingApproval,
 } from './types';
diff --git a/openframe-frontend-core/src/components/features/board/ticket-card.tsx b/openframe-frontend-core/src/components/features/board/ticket-card.tsx
index d0cf19fbc..3960e37fe 100644
--- a/openframe-frontend-core/src/components/features/board/ticket-card.tsx
+++ b/openframe-frontend-core/src/components/features/board/ticket-card.tsx
@@ -21,14 +21,7 @@ import { cn } from '../../../utils/cn';
 import { formatTicketRelativeTime, formatTicketFullTimestamp } from '../../../utils/date-utils';
 import { holdMoveDragEffect } from '../../../utils/drag-effect';
 import { getReadableTextColor } from '../../../utils/ods-color-utils';
-import {
-  ClockIcon,
-  DotsLoaderIcon,
-  LaptopIcon,
-  Flag02Icon,
-  MessagesIcon,
-  UserCheckIcon,
-} from '../../icons-v2-generated';
+import { LaptopIcon, Flag02Icon, MessagesIcon, UserCheckIcon } from '../../icons-v2-generated';
 import { DeletedUserAvatar } from '../../ui/deleted-user-avatar';
 import { SquareAvatar } from '../../ui/square-avatar';
 import { Tag } from '../../ui/tag';
@@ -37,7 +30,7 @@ import { BoardTicketApproval } from './board-ticket-approval';
 import { useBoardLift, useDropAim } from './drop-aim';
 import { DROP_LINE_ATTRIBUTE } from './lane-geometry';
 import { useIsLanding } from './pending-move';
-import type { BoardPriority, BoardTicket, BoardTicketActivityKind } from './types';
+import type { BoardPriority, BoardTicket } from './types';
 import { TICKET_ID_ATTRIBUTE } from './use-lane-scroll-anchor';
 
 const PRIORITY_COLOR_CLASS: Record<BoardPriority, string> = {
@@ -57,13 +50,6 @@ export const DRAG_PREVIEW_OPACITY = 0.9;
 const MAX_VISIBLE_TAGS = 2;
 const MAX_VISIBLE_ASSIGNEES = 3;
 
-const ACTIVITY_DEFAULT_LABEL: Record<BoardTicketActivityKind, string> = {
-  'ai-working': 'AI assistant is working',
-  'user-typing': 'User typing',
-  'waiting-external': 'Waiting for client response',
-  stale: 'No activity',
-};
-
 /** Shared card shell (border / padding / bg). Same footprint for the draggable
  *  board card and the static {@link TicketCardView}. */
 const TICKET_CARD_SHELL =
@@ -172,21 +158,6 @@ export function TicketCardBody({ ticket, columnColor, renderAssignSlot, onApprov
           <span className="truncate">Escalated by User</span>
         </div>
       )}
-      {ticket.activity && (
-        <div
-          className={cn(
-            'flex items-center gap-[var(--spacing-system-xxs)] text-h6',
-            ticket.activity.kind === 'stale' ? 'text-ods-open-yellow' : 'text-ods-text-secondary',
-          )}
-        >
-          {ticket.activity.kind === 'stale' ? (
-            <ClockIcon className="size-4 shrink-0" />
-          ) : (
-            <DotsLoaderIcon className="size-4 shrink-0" />
-          )}
-          <span className="truncate">{ticket.activity.label ?? ACTIVITY_DEFAULT_LABEL[ticket.activity.kind]}</span>
-        </div>
-      )}
       {showNewMessage && (
         <Tag
           label="New Message"
diff --git a/openframe-frontend-core/src/components/features/board/types.ts b/openframe-frontend-core/src/components/features/board/types.ts
index fe9509e64..add87df1e 100644
--- a/openframe-frontend-core/src/components/features/board/types.ts
+++ b/openframe-frontend-core/src/components/features/board/types.ts
@@ -22,24 +22,6 @@ export interface BoardTicketAssignee {
   deleted?: boolean;
 }
 
-/**
- * Live-activity footer indicator on a board card. Indicators are mutually
- * exclusive by design — the consumer decides which single one a ticket shows
- * (staleness has the lowest priority and must be suppressed when any other
- * signal — new message, approval, escalation — is present).
- */
-export type BoardTicketActivityKind = 'ai-working' | 'user-typing' | 'waiting-external' | 'stale';
-
-export interface BoardTicketActivity {
-  kind: BoardTicketActivityKind;
-  /**
-   * Overrides the built-in label for the kind. Required in practice for
-   * 'stale', whose label carries the computed duration ("No activity for
-   * 2 hours") that only the consumer can know — and tick over time.
-   */
-  label?: string;
-}
-
 export interface BoardTicket {
   id: string;
   title: string;
@@ -61,8 +43,6 @@ export interface BoardTicket {
    * technician should pick it up.
    */
   escalatedByUser?: boolean;
-  /** Single live-activity indicator rendered as the card's footer row. */
-  activity?: BoardTicketActivity;
 }
 
 export interface BoardColumnDef {
diff --git a/openframe-frontend-core/src/stories/TicketCard.stories.tsx b/openframe-frontend-core/src/stories/TicketCard.stories.tsx
index 5cffcbccb..6fee88943 100644
--- a/openframe-frontend-core/src/stories/TicketCard.stories.tsx
+++ b/openframe-frontend-core/src/stories/TicketCard.stories.tsx
@@ -1,11 +1,6 @@
 import type { Meta, StoryObj } from '@storybook/nextjs-vite';
 import type { PendingToolCallData } from '../components/chat/types';
-import {
-  TicketCard,
-  type TicketCardProps,
-  type BoardTicket,
-  type BoardTicketActivityKind,
-} from '../components/features/board';
+import { TicketCard, type TicketCardProps, type BoardTicket } from '../components/features/board';
 
 // =============================================================================
 // Harness — the card registers its own drag behaviour against the DOM and needs
@@ -154,40 +149,6 @@ export const EscalatedByUser: Story = {
   },
 };
 
-/**
- * The `activity` footer row, one card per kind. The three live kinds (animated
- * dots loader + grey text) fall back to their built-in labels; `stale` (clock +
- * amber text) carries a consumer-computed duration label, since only the
- * consumer knows the ticket's idle time — and keeps it ticking.
- */
-export const ActivityIndicators: Story = {
-  render: () => {
-    const activities: { kind: BoardTicketActivityKind; label?: string }[] = [
-      { kind: 'ai-working' },
-      { kind: 'user-typing' },
-      { kind: 'waiting-external' },
-      { kind: 'stale', label: 'No activity for 2 hours' },
-    ];
-    return (
-      <div className="flex w-[320px] flex-col gap-[var(--spacing-system-sf)] rounded-lg bg-ods-card p-[var(--spacing-system-sf)]">
-        {activities.map(activity => (
-          <TicketCard
-            key={activity.kind}
-            columnId="ACTIVE"
-            ticket={{
-              ...BASE_TICKET,
-              id: `ticket-activity-${activity.kind}`,
-              priority: undefined,
-              tags: undefined,
-              activity,
-            }}
-          />
-        ))}
-      </div>
-    );
-  },
-};
-
 /**
  * Pending CLIENT approval — collapsed grey "Pending client approval" row with a
  * loader glyph. Expand it to reach the shared approve/reject affordance.