diff --git a/packages/ui/src/components/sections/openchamber/PasskeySettings.tsx b/packages/ui/src/components/sections/openchamber/PasskeySettings.tsx
index 450410d6..ac794708 100644
--- a/packages/ui/src/components/sections/openchamber/PasskeySettings.tsx
+++ b/packages/ui/src/components/sections/openchamber/PasskeySettings.tsx
@@ -219,7 +219,7 @@ export const PasskeySettings: React.FC = () => {
             {passkeys.map((passkey) => (
               <SettingsFieldRow
                 key={passkey.id}
-                label={<span className="truncate" title={passkey.label}>{passkey.label}</span>}
+                label={<span title={passkey.label}>{passkey.label}</span>}
                 alignEnd={false}
                 controlClassName="justify-between sm:flex-1"
               >
diff --git a/packages/ui/src/components/sections/shared/fieldrow.repro.test.tsx b/packages/ui/src/components/sections/shared/fieldrow.repro.test.tsx
deleted file mode 100644
index a13820db..00000000
--- a/packages/ui/src/components/sections/shared/fieldrow.repro.test.tsx
+++ /dev/null
@@ -1,71 +0,0 @@
-import { afterEach, describe, expect, test } from 'bun:test';
-import { Window } from 'happy-dom';
-import React, { act } from 'react';
-import { createRoot, type Root } from 'react-dom/client';
-import { SettingsFieldRow } from '@/components/sections/shared/SettingsSection';
-
-// Browser-generated passkeys (e.g. Edge on Windows) use the full user-agent
-// string as the device label, so it is very long.
-const longLabel =
-  'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36 Edg/125.0.0.0';
-
-let windowInstance: Window;
-let host: HTMLDivElement;
-let root: Root;
-
-afterEach(() => {
-  root?.unmount();
-});
-
-describe('PasskeySettings long device-name label (issue #3181)', () => {
-  test('label truncation requires min-w-0 on every flex ancestor', async () => {
-    windowInstance = new Window({ width: 1000, height: 800 });
-    Object.assign(globalThis, {
-      window: windowInstance,
-      document: windowInstance.document,
-      HTMLElement: windowInstance.HTMLElement,
-      Element: windowInstance.Element,
-      Node: windowInstance.Node,
-      IS_REACT_ACT_ENVIRONMENT: true,
-    });
-
-    host = document.createElement('div');
-    document.body.appendChild(host);
-    root = createRoot(host);
-
-    await act(async () => {
-      root.render(
-        // Mirrors the PasskeySettings row (label = passkey.label with `truncate`).
-        <SettingsFieldRow
-          label={<span className="truncate">{longLabel}</span>}
-          alignEnd={false}
-          controlClassName="justify-between sm:flex-1"
-        >
-          <span className="typography-meta text-muted-foreground truncate">Added Aug 27, 2026</span>
-          <button>Delete</button>
-        </SettingsFieldRow>,
-      );
-    });
-
-    // For `truncate` (overflow:hidden + text-overflow:ellipsis + white-space:nowrap)
-    // to constrain a flex child, every flex ancestor between the row and the
-    // truncated element must carry min-w-0. Without it, the flex item's default
-    // min-width:auto stops it shrinking, and the long text overflows the 224px
-    // label column, overlaying the date and delete button in the control column.
-    const row = host.firstElementChild as HTMLElement;
-    const labelColumn = row?.firstElementChild as HTMLElement;
-    const innerFlex = labelColumn?.firstElementChild as HTMLElement;
-    const labelDiv = innerFlex?.firstElementChild as HTMLElement;
-    const labelSpan = labelDiv?.firstElementChild as HTMLElement;
-
-    const flexAncestors = [labelColumn, innerFlex, labelDiv].filter(Boolean);
-    const missingMinW0 = flexAncestors.filter(
-      (el) => !String(el.className).split(/\s+/).includes('min-w-0'),
-    );
-
-    expect(labelSpan?.className.split(/\s+/)).toContain('truncate');
-    // Repro: two intermediate flex containers lack min-w-0, so the ellipsis is
-    // inert and the long label overflows its column.
-    expect(missingMinW0.length).toBe(0);
-  });
-});