diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index a2b5c88..c4c8d33 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -732,6 +732,9 @@
             // none of the files in the directory are referenced any more.
             new ClearThumbnails().execute(
                     mTabControl.getThumbnailDir().listFiles());
+            // there is no quit on Android. But if we can't restore the state,
+            // we can treat it as a new Browser, remove the old session cookies.
+            CookieManager.getInstance().removeSessionCookie();
             final Intent intent = getIntent();
             final Bundle extra = intent.getExtras();
             // Create an initial tab.