diff --git a/packages/controller/src/__tests__/disconnect.test.ts b/packages/controller/src/__tests__/disconnect.test.ts
new file mode 100644
index 0000000000..977ca6f157
--- /dev/null
+++ b/packages/controller/src/__tests__/disconnect.test.ts
@@ -0,0 +1,112 @@
+import ControllerProvider from "../controller";
+
+type MockStorage = {
+  [key: string]: string;
+};
+
+const createMockLocalStorage = () => {
+  const store: MockStorage = {};
+
+  return {
+    get length() {
+      return Object.keys(store).length;
+    },
+    clear: jest.fn(() => {
+      Object.keys(store).forEach((key) => {
+        delete store[key];
+      });
+    }),
+    getItem: jest.fn((key: string) => (key in store ? store[key] : null)),
+    setItem: jest.fn((key: string, value: string) => {
+      store[key] = String(value);
+    }),
+    removeItem: jest.fn((key: string) => {
+      delete store[key];
+    }),
+    key: jest.fn((index: number) => {
+      const keys = Object.keys(store);
+      return keys[index] || null;
+    }),
+  } as Storage;
+};
+
+describe("ControllerProvider.disconnect", () => {
+  const originalLocalStorage = (global as any).localStorage;
+
+  beforeEach(() => {
+    (global as any).localStorage = createMockLocalStorage();
+  });
+
+  afterEach(() => {
+    (global as any).localStorage = originalLocalStorage;
+    jest.restoreAllMocks();
+  });
+
+  test("cleans persisted connector/session localStorage keys", async () => {
+    const controller = new ControllerProvider({});
+    const keychainDisconnect = jest.fn().mockResolvedValue(undefined);
+    (controller as any).keychain = {
+      disconnect: keychainDisconnect,
+    };
+
+    localStorage.setItem("lastUsedConnector", "controller");
+    localStorage.setItem(
+      "@cartridge/account/0x40bda2fcd37963c0b8f951801c63a88132feb399dab0f5318245b2c59a553af/0x534e5f5345504f4c4941",
+      JSON.stringify({ Controller: {} }),
+    );
+    localStorage.setItem("@cartridge/active", JSON.stringify({ Active: {} }));
+    localStorage.setItem(
+      "@cartridge/https://x.cartridge.gg/active",
+      JSON.stringify({ Active: {} }),
+    );
+    localStorage.setItem(
+      "@cartridge/policies/0x4fdcb829582d172a6f3858b97c16da38b08da5a1df7101a5d285b868d89921b/0x534e5f4d41494e",
+      JSON.stringify({ policies: [] }),
+    );
+    localStorage.setItem("@cartridge/features", JSON.stringify({}));
+    localStorage.setItem(
+      "@cartridge/session/0x4fdcb829582d172a6f3858b97c16da38b08da5a1df7101a5d285b868d89921b/0x534e5f4d41494e",
+      JSON.stringify({ Session: {} }),
+    );
+    localStorage.setItem("keepMe", "keep");
+
+    await controller.disconnect();
+
+    expect(localStorage.getItem("lastUsedConnector")).toBeNull();
+    expect(
+      localStorage.getItem(
+        "@cartridge/account/0x40bda2fcd37963c0b8f951801c63a88132feb399dab0f5318245b2c59a553af/0x534e5f5345504f4c4941",
+      ),
+    ).toBeNull();
+    expect(localStorage.getItem("@cartridge/active")).toBeNull();
+    expect(
+      localStorage.getItem("@cartridge/https://x.cartridge.gg/active"),
+    ).toBeNull();
+    expect(
+      localStorage.getItem(
+        "@cartridge/policies/0x4fdcb829582d172a6f3858b97c16da38b08da5a1df7101a5d285b868d89921b/0x534e5f4d41494e",
+      ),
+    ).toBeNull();
+    expect(localStorage.getItem("@cartridge/features")).toBeNull();
+    expect(
+      localStorage.getItem(
+        "@cartridge/session/0x4fdcb829582d172a6f3858b97c16da38b08da5a1df7101a5d285b868d89921b/0x534e5f4d41494e",
+      ),
+    ).toBeNull();
+    expect(localStorage.getItem("keepMe")).toBe("keep");
+    expect(localStorage.removeItem).toHaveBeenCalledWith("lastUsedConnector");
+    expect(keychainDisconnect).toHaveBeenCalledTimes(1);
+  });
+
+  test("does not throw when localStorage is unavailable", async () => {
+    delete (global as any).localStorage;
+    const controller = new ControllerProvider({});
+    const keychainDisconnect = jest.fn().mockResolvedValue(undefined);
+    (controller as any).keychain = {
+      disconnect: keychainDisconnect,
+    };
+
+    await expect(controller.disconnect()).resolves.toBeUndefined();
+    expect(keychainDisconnect).toHaveBeenCalledTimes(1);
+  });
+});
diff --git a/packages/controller/src/controller.ts b/packages/controller/src/controller.ts
index 01ef397a10..05c63871bb 100644
--- a/packages/controller/src/controller.ts
+++ b/packages/controller/src/controller.ts
@@ -395,6 +395,13 @@ export default class ControllerProvider extends BaseProvider {
     try {
       if (typeof localStorage !== "undefined") {
         localStorage.removeItem("lastUsedConnector");
+
+        for (let i = localStorage.length - 1; i >= 0; i--) {
+          const key = localStorage.key(i);
+          if (key?.startsWith("@cartridge/")) {
+            localStorage.removeItem(key);
+          }
+        }
       }
     } catch {
       // Ignore environments where localStorage is unavailable.