diff --git a/ui/src/lib/useTaskNoun.test.tsx b/ui/src/lib/useTaskNoun.test.tsx
deleted file mode 100644
index 8057d1c0dad..00000000000
--- a/ui/src/lib/useTaskNoun.test.tsx
+++ /dev/null
@@ -1,96 +0,0 @@
-// @vitest-environment jsdom
-
-import { flushSync } from "react-dom";
-import { createRoot } from "react-dom/client";
-import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-import { useTaskNoun, type TaskNoun } from "./useTaskNoun";
-
-const mockInstanceSettingsApi = vi.hoisted(() => ({
-  getExperimental: vi.fn(),
-}));
-
-vi.mock("../api/instanceSettings", () => ({
-  instanceSettingsApi: mockInstanceSettingsApi,
-}));
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-(globalThis as any).IS_REACT_ACT_ENVIRONMENT = true;
-
-async function act(callback: () => void | Promise<void>) {
-  let result: void | Promise<void> = undefined;
-  flushSync(() => {
-    result = callback();
-  });
-  await result;
-}
-
-async function flushReact() {
-  await act(async () => {
-    await Promise.resolve();
-    await new Promise((resolve) => window.setTimeout(resolve, 0));
-  });
-}
-
-let captured: TaskNoun | null = null;
-
-function Harness() {
-  captured = useTaskNoun();
-  return null;
-}
-
-async function renderHook() {
-  const container = document.createElement("div");
-  document.body.appendChild(container);
-  const root = createRoot(container);
-  const queryClient = new QueryClient({ defaultOptions: { queries: { retry: false } } });
-  await act(async () => {
-    root.render(
-      <QueryClientProvider client={queryClient}>
-        <Harness />
-      </QueryClientProvider>,
-    );
-  });
-  await flushReact();
-  return () => {
-    root.unmount();
-    container.remove();
-  };
-}
-
-describe("useTaskNoun", () => {
-  beforeEach(() => {
-    captured = null;
-  });
-
-  afterEach(() => {
-    vi.clearAllMocks();
-    document.body.innerHTML = "";
-  });
-
-  it("returns the Issue noun when the streamlined-nav flag is OFF (default)", async () => {
-    mockInstanceSettingsApi.getExperimental.mockResolvedValue({
-      enableStreamlinedLeftNavigation: false,
-    });
-    const cleanup = await renderHook();
-    expect(captured).toEqual({ singular: "Issue", plural: "Issues" });
-    cleanup();
-  });
-
-  it("returns the Task noun when the streamlined-nav flag is ON", async () => {
-    mockInstanceSettingsApi.getExperimental.mockResolvedValue({
-      enableStreamlinedLeftNavigation: true,
-    });
-    const cleanup = await renderHook();
-    expect(captured).toEqual({ singular: "Task", plural: "Tasks" });
-    cleanup();
-  });
-
-  it("falls back to the Issue noun before settings have loaded", async () => {
-    // Never resolves — simulates the in-flight state on first render.
-    mockInstanceSettingsApi.getExperimental.mockReturnValue(new Promise(() => {}));
-    const cleanup = await renderHook();
-    expect(captured).toEqual({ singular: "Issue", plural: "Issues" });
-    cleanup();
-  });
-});
diff --git a/ui/src/lib/useTaskNoun.ts b/ui/src/lib/useTaskNoun.ts
deleted file mode 100644
index 1cda416c686..00000000000
--- a/ui/src/lib/useTaskNoun.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import { useQuery } from "@tanstack/react-query";
-import { instanceSettingsApi } from "../api/instanceSettings";
-import { queryKeys } from "./queryKeys";
-
-export interface TaskNoun {
-  /** "Task" when the streamlined-nav flag is ON, "Issue" when OFF. */
-  singular: string;
-  /** "Tasks" when the streamlined-nav flag is ON, "Issues" when OFF. */
-  plural: string;
-}
-
-const ISSUE_NOUN: TaskNoun = { singular: "Issue", plural: "Issues" };
-const TASK_NOUN: TaskNoun = { singular: "Task", plural: "Tasks" };
-
-/**
- * Returns the user-facing noun for a unit of work, gated on the
- * `enableStreamlinedLeftNavigation` experimental flag (PAP-80 D1 → option A).
- *
- * Flag ON  → { singular: "Task",  plural: "Tasks"  }
- * Flag OFF → { singular: "Issue", plural: "Issues" } (default)
- *
- * Intended only for the high-visibility surfaces (sidebar/mobile nav labels,
- * the New-Task button, the tasks-list title/breadcrumb). Deeper copy stays
- * on the already-renamed "Task" wording.
- */
-export function useTaskNoun(): TaskNoun {
-  const { data: experimentalSettings } = useQuery({
-    queryKey: queryKeys.instance.experimentalSettings,
-    queryFn: () => instanceSettingsApi.getExperimental(),
-  });
-
-  return experimentalSettings?.enableStreamlinedLeftNavigation === true
-    ? TASK_NOUN
-    : ISSUE_NOUN;
-}
diff --git a/ui/src/pages/Issues.tsx b/ui/src/pages/Issues.tsx
index 4abe44460d5..d0be7d1d55b 100644
--- a/ui/src/pages/Issues.tsx
+++ b/ui/src/pages/Issues.tsx
@@ -10,7 +10,6 @@ import { useBreadcrumbs } from "../context/BreadcrumbContext";
 import { collectLiveIssueIds } from "../lib/liveIssueIds";
 import { queryKeys } from "../lib/queryKeys";
 import { createIssueDetailLocationState } from "../lib/issueDetailBreadcrumb";
-import { useTaskNoun } from "../lib/useTaskNoun";
 import { EmptyState } from "../components/EmptyState";
 import { IssuesList } from "../components/IssuesList";
 import { CircleDot } from "lucide-react";
@@ -59,7 +58,6 @@ export function buildIssuesSearchUrl(currentHref: string, search: string): strin
 export function Issues() {
   const { selectedCompanyId } = useCompany();
   const { setBreadcrumbs } = useBreadcrumbs();
-  const taskNoun = useTaskNoun();
   const location = useLocation();
   const [searchParams] = useSearchParams();
   const queryClient = useQueryClient();
@@ -110,16 +108,16 @@ export function Issues() {
   const issueLinkState = useMemo(
     () =>
       createIssueDetailLocationState(
-        taskNoun.plural,
+        "Tasks",
         `${location.pathname}${location.search}${location.hash}`,
         "issues",
       ),
-    [taskNoun.plural, location.pathname, location.search, location.hash],
+    [location.pathname, location.search, location.hash],
   );
 
   useEffect(() => {
-    setBreadcrumbs([{ label: taskNoun.plural }]);
-  }, [setBreadcrumbs, taskNoun.plural]);
+    setBreadcrumbs([{ label: "Tasks" }]);
+  }, [setBreadcrumbs]);
 
   const issuePageSize = workspaceIdFilter ? WORKSPACE_FILTER_ISSUE_LIMIT : ISSUES_PAGE_SIZE;
 
@@ -190,7 +188,6 @@ export function Issues() {
       projects={projects}
       liveIssueIds={liveIssueIds}
       viewStateKey="paperclip:issues-view"
-      createIssueLabel={taskNoun.singular}
       issueLinkState={issueLinkState}
       initialAssignees={searchParams.get("assignee") ? [searchParams.get("assignee")!] : undefined}
       initialWorkspaces={initialWorkspaces.length > 0 ? initialWorkspaces : undefined}