@@ -1,38 +1,29 @@
-import axios from "axios";
 import Cookies from "js-cookie";
 import { usePostHog } from "posthog-js/react";
 
 import { getSessionData } from "../helpers/GetSessionData";
 import { getBaseUrl } from "../helpers/GetStaticData";
-import { useAlertStore } from "../store/alert-store";
 import { useSessionStore } from "../store/session-store";
-import { useExceptionHandler } from "./useExceptionHandler";
 
 function useLogout() {
   const setSessionDetails = useSessionStore((state) => state.setSessionDetails);
   const setLogoutLoading = useSessionStore((state) => state.setLogoutLoading);
   const posthog = usePostHog();
-  const { setAlertDetails } = useAlertStore();
-  const handleException = useExceptionHandler();
 
   const clearSessionCookies = () => {
     Cookies.remove("sessionid");
     Cookies.remove("csrftoken");
   };
 
-  return async () => {
+  return () => {
     setLogoutLoading(true);
     setSessionDetails(getSessionData(null));
     posthog.reset();
     clearSessionCookies();
-    const baseUrl = getBaseUrl();
-    try {
-      await axios.get(baseUrl + "/api/v1/logout");
-    } catch (error) {
-      setAlertDetails(handleException(error));
-    }
-    setLogoutLoading(false);
-    window.location.href = baseUrl + "/";
+    // A page navigation, not a request: the backend redirects to the identity
+    // provider's logout, which answers no CORS request from this origin, and
+    // the provider sends the browser on to /landing.
+    window.location.href = `${getBaseUrl()}/api/v1/logout`;
   };
 }
 
 
@@ -0,0 +1,37 @@
+import { renderHook } from "@testing-library/react";
+import { afterEach, describe, expect, it, vi } from "vitest";
+
+import { useSessionStore } from "../store/session-store";
+
+vi.mock("posthog-js/react", () => ({
+  usePostHog: () => ({ reset: vi.fn() }),
+}));
+
+const { default: useLogout } = await import("./useLogout.js");
+
+describe("useLogout", () => {
+  const original = window.location;
+
+  afterEach(() => {
+    Object.defineProperty(window, "location", {
+      configurable: true,
+      value: original,
+    });
+  });
+
+  // The backend's redirects end at the identity provider, which answers no
+  // CORS request: only a page navigation can follow them to /landing.
+  it("leaves the page for the backend logout", () => {
+    const location = { href: "https://app.example/org/dashboard" };
+    Object.defineProperty(window, "location", {
+      configurable: true,
+      value: location,
+    });
+
+    const { result } = renderHook(() => useLogout());
+    result.current();
+
+    expect(location.href).toMatch(/\/api\/v1\/logout$/);
+    expect(useSessionStore.getState().isLogoutLoading).toBe(true);
+  });
+});