diff --git a/apps/web/src/components/CommandPalette.browser.test.tsx b/apps/web/src/components/CommandPalette.browser.test.tsx
index c7106f0cff289..8292121ac2ceb 100644
--- a/apps/web/src/components/CommandPalette.browser.test.tsx
+++ b/apps/web/src/components/CommandPalette.browser.test.tsx
@@ -5,6 +5,8 @@ import { page, userEvent } from "vite-plus/test/browser";
 import { act, render } from "../../test/render";
 import { openCommandPalette } from "../commandPaletteBus";
 import { useCommandPaletteStore } from "../commandPaletteStore";
+import { LAST_USED_PROJECT_STORAGE_KEY } from "../hooks/useHandleNewThread";
+import { removeLocalStorageItem } from "../hooks/useLocalStorage";
 import { makeThreadFixture } from "../test-fixtures";
 import type { Project, Thread } from "../types";
 import { CommandPalette } from "./CommandPalette";
@@ -20,6 +22,9 @@ vi.mock("../state/entities", async (original) => ({
 }));
 
 function setup(state: { projects?: ReadonlyArray<Project>; threads?: ReadonlyArray<Thread> } = {}) {
+  // Earlier browser test files share this origin's localStorage; a remembered project
+  // that is not listed here hides the default "New thread in <project>" row.
+  removeLocalStorageItem(LAST_USED_PROJECT_STORAGE_KEY);
   useCommandPaletteStore.setState(useCommandPaletteStore.getInitialState(), true);
   entities.projects = state.projects ?? [];
   entities.threads = state.threads ?? [];