diff --git a/apps/mobile/src/features/home/HomeScreen.tsx b/apps/mobile/src/features/home/HomeScreen.tsx
index ed1eb2afdbeb9a963f905ece059b4931f102f7f7..4fb442b942737d86582e4c28f9d90999ecebe473 100644
--- a/apps/mobile/src/features/home/HomeScreen.tsx
+++ b/apps/mobile/src/features/home/HomeScreen.tsx
@@ -924,9 +924,9 @@ export function HomeScreen(props: HomeScreenProps) {
             : "flex-1 bg-screen"
         }
       >
-        {/* Same recycler the iPad sidebar and the legacy list use: cells are
-            reused across data rebuilds and `itemsAreEqual` keeps a minute tick
-            (or an unrelated shell update) from re-rendering untouched rows. */}
+        {/* Shared with the iPad sidebar: cells are reused across data
+            rebuilds and `itemsAreEqual` keeps a minute tick (or an unrelated
+            shell update) from re-rendering untouched rows. */}
         <SwipeableScrollGateProvider enabled={swipeEnabled}>
           <LegendList
             data={threadListV2Items}
diff --git a/apps/mobile/src/features/home/home-list-options.ts b/apps/mobile/src/features/home/home-list-options.ts
index 849fbda369f9babfc039d772e097c81cae201719..d280c05ee0b11fbe8f00722d082cb432a3bf202a 100644
--- a/apps/mobile/src/features/home/home-list-options.ts
+++ b/apps/mobile/src/features/home/home-list-options.ts
@@ -1,12 +1,5 @@
-import type {
-  EnvironmentId,
-  SidebarProjectGroupingMode,
-  SidebarThreadSortOrder,
-} from "@t3tools/contracts";
-import {
-  DEFAULT_SIDEBAR_PROJECT_SORT_ORDER,
-  DEFAULT_SIDEBAR_THREAD_SORT_ORDER,
-} from "@t3tools/contracts";
+import type { EnvironmentId, SidebarProjectGroupingMode } from "@t3tools/contracts";
+import { DEFAULT_SIDEBAR_PROJECT_SORT_ORDER } from "@t3tools/contracts";
 import {
   createContext,
   createElement,
@@ -24,7 +17,6 @@ import type { HomeProjectSortOrder } from "./homeThreadList";
 export interface HomeListOptions {
   readonly selectedEnvironmentId: EnvironmentId | null;
   readonly projectSortOrder: HomeProjectSortOrder;
-  readonly threadSortOrder: SidebarThreadSortOrder;
 }
 
 export interface ResolvedHomeListOptions extends HomeListOptions {
@@ -38,7 +30,6 @@ function defaultHomeListOptions(): HomeListOptions {
       DEFAULT_SIDEBAR_PROJECT_SORT_ORDER === "manual"
         ? "updated_at"
         : DEFAULT_SIDEBAR_PROJECT_SORT_ORDER,
-    threadSortOrder: DEFAULT_SIDEBAR_THREAD_SORT_ORDER,
   };
 }
 
@@ -90,13 +81,9 @@ export function useHomeListOptions(availableEnvironmentIds: ReadonlySet<Environm
   const setProjectSortOrder = useCallback((value: HomeProjectSortOrder) => {
     setOptions((current) => ({ ...current, projectSortOrder: value }));
   }, []);
-  const setThreadSortOrder = useCallback((value: SidebarThreadSortOrder) => {
-    setOptions((current) => ({ ...current, threadSortOrder: value }));
-  }, []);
   return {
     options: resolvedOptions,
     setSelectedEnvironmentId,
     setProjectSortOrder,
-    setThreadSortOrder,
   } as const;
 }
diff --git a/apps/mobile/src/features/home/homeThreadList.test.ts b/apps/mobile/src/features/home/homeThreadList.test.ts
index 32a17312479314723b0d94a9272704a3e84f1bef..98b32edfd748bb0f5c7780b567b356b7555d1301 100644
--- a/apps/mobile/src/features/home/homeThreadList.test.ts
+++ b/apps/mobile/src/features/home/homeThreadList.test.ts
@@ -2,7 +2,6 @@ import type {
   EnvironmentProject,
   EnvironmentThreadShell,
 } from "@t3tools/client-runtime/state/shell";
-import { threadSearchMatchKey } from "@t3tools/client-runtime/state/thread-search";
 import { EnvironmentId, ProjectId, ProviderInstanceId, ThreadId } from "@t3tools/contracts";
 import { describe, expect, it } from "vite-plus/test";
 
@@ -48,8 +47,6 @@ function makeThread(
   };
 }
 
-const NOW = Date.parse("2026-06-29T00:00:00.000Z");
-
 describe("home project scopes", () => {
   it("builds one v2 scope for the same repository across environments", () => {
     const localEnvironmentId = EnvironmentId.make("environment-local");
diff --git a/apps/mobile/src/features/home/homeThreadList.ts b/apps/mobile/src/features/home/homeThreadList.ts
index e50a14944983ff2e8a92a6280d318822b3634724..0c85972e43e528e688e9899d7fc0eb538c1873b9 100644
--- a/apps/mobile/src/features/home/homeThreadList.ts
+++ b/apps/mobile/src/features/home/homeThreadList.ts
@@ -1,31 +1,22 @@
-import { threadPullRequestSearchTerms } from "@t3tools/shared/threadPullRequests";
-import {
-  buildProjectGroups,
-  derivePhysicalProjectKey,
-  deriveProjectGroupLabel,
-} from "@t3tools/client-runtime/state/project-grouping";
+import { buildProjectGroups } from "@t3tools/client-runtime/state/project-grouping";
 import type {
   EnvironmentProject,
   EnvironmentThreadShell,
 } from "@t3tools/client-runtime/state/shell";
 import {
   getThreadSortTimestamp,
-  sortThreads,
   toSortableTimestamp,
 } from "@t3tools/client-runtime/state/thread-sort";
-import { threadSearchMatchKey } from "@t3tools/client-runtime/state/thread-search";
 import type {
   EnvironmentId,
   ScopedProjectRef,
   SidebarProjectGroupingMode,
   SidebarProjectSortOrder,
-  SidebarThreadSortOrder,
 } from "@t3tools/contracts";
 import * as Arr from "effect/Array";
-import * as Option from "effect/Option";
 import * as Order from "effect/Order";
 
-import { scopedProjectKey, scopedThreadKey } from "../../lib/scopedEntities";
+import { scopedProjectKey } from "../../lib/scopedEntities";
 import type { PendingNewTask } from "../../state/use-pending-new-tasks";
 
 export type HomeProjectSortOrder = Exclude<SidebarProjectSortOrder, "manual">;
@@ -133,11 +124,3 @@ export function sortHomeProjectScopes(input: {
     ),
   );
 }
-
-/**
- * Default home view only surfaces threads active within this window, to keep the
- * screen compact while keeping recent work visible.
- */
-const RECENT_THREAD_WINDOW_MS = 5 * 24 * 60 * 60 * 1000;
-/** Fallback when a project has no threads inside the recency window. */
-const RECENT_THREAD_FALLBACK_COUNT = 3;
diff --git a/apps/mobile/src/features/threads/threadListV2.test.ts b/apps/mobile/src/features/threads/threadListV2.test.ts
index 3c010315515b982f930e2153f913c0a81dce39a4..4bbcf2233a42c0b633c0ca34374234afaa3b5657 100644
--- a/apps/mobile/src/features/threads/threadListV2.test.ts
+++ b/apps/mobile/src/features/threads/threadListV2.test.ts
@@ -5,7 +5,6 @@ import {
   threadOrderAfterMove,
   threadDropLifecycle,
   reconcilePendingThreadOrder,
-  computeThreadMoveAvailability,
   type PendingThreadOrder,
   type ThreadMoveAvailability,
 } from "./threadOrder";
diff --git a/packages/contracts/src/settings.ts b/packages/contracts/src/settings.ts
index 504a9423f2a37040cd30cd5c26b34c6a19c2427a..3e301201910cb8879d0efca58b340c3c5180a9fb 100644
--- a/packages/contracts/src/settings.ts
+++ b/packages/contracts/src/settings.ts
@@ -58,7 +58,9 @@ export const DEFAULT_SIDEBAR_PROJECT_SORT_ORDER: SidebarProjectSortOrder = "upda
 
 export const SidebarThreadSortOrder = Schema.Literals(["updated_at", "created_at"]);
 export type SidebarThreadSortOrder = typeof SidebarThreadSortOrder.Type;
-export const DEFAULT_SIDEBAR_THREAD_SORT_ORDER: SidebarThreadSortOrder = "updated_at";
+// Not exported: mobile was the last consumer of the value itself; the
+// wire field keeps its decoding default below.
+const DEFAULT_SIDEBAR_THREAD_SORT_ORDER: SidebarThreadSortOrder = "updated_at";
 
 export const SidebarProjectGroupingMode = Schema.Literals([
   "repository",