diff --git a/oyster/core.py b/oyster/core.py
index 4a7dfb3..9ff7072 100644
--- a/oyster/core.py
+++ b/oyster/core.py
@@ -37,7 +37,8 @@ class Kernel(object):
             self.db.status.insert({'update_queue': 0})
 
         # ensure an index on _random
-        self.db.tracked.ensure_index([('_random', pymongo.ASCENDING)])
+        self.db.tracked.ensure_index('_random')
+        self.db.tracked.ensure_index('url')
 
         self.scraper = scrapelib.Scraper(user_agent=user_agent,
                                          requests_per_minute=rpm,
diff --git a/oyster/ext/cloudsearch.py b/oyster/ext/cloudsearch.py
index 5d3f3d7..a8ace5d 100644
--- a/oyster/ext/cloudsearch.py
+++ b/oyster/ext/cloudsearch.py
@@ -1,58 +1,8 @@
-import json
-import requests
 from celery.task.base import Task
 
 from ..core import kernel
 from ..conf import settings
 
-
-class CloudSearch(object):
-
-    # slightly under 5MB
-    MAX_BYTES = 5240000
-
-    def __init__(self, name, domainid, flush_every=None):
-        self.doc_url = 'http://doc-{0}-{1}.us-east-1.cloudsearch.amazonaws.com/2011-02-01/documents/batch'.format(name, domainid)
-        self.search_url = 'http://search-{0}-{1}.us-east-1.cloudsearch.amazonaws.com/2011-02-01/search'.format(name, domainid)
-
-        self._current_batch = []
-        self._current_size = 0
-        self._flush_every = flush_every
-
-
-    def flush(self):
-        print 'flushing!'
-        if self._current_batch:
-            payload = '[{0}]'.format(','.join(self._current_batch))
-            resp = requests.post(self.doc_url, payload,
-                                 headers={'content-type': 'application/json'})
-            self._current_batch = []
-            self._current_size = 0
-            if resp.status_code >= 400:
-                # http://docs.amazonwebservices.com/cloudsearch/latest/developerguide/DocumentsBatch.html
-                raise Exception('{0}: {1}'.format(resp.status_code, resp.text))
-
-    def add_document(self, id, **kwargs):
-        newdoc = {'type': 'add', 'version': 1, 'lang': 'en',
-                  'id': id, 'fields': kwargs}
-        newjson = json.dumps(newdoc)
-        newsize = len(newjson)
-
-        if (self._current_size + newsize > self.MAX_BYTES or
-            (self._flush_every and
-             len(self._current_batch) > self._flush_every)):
-            self.flush()
-
-        self._current_batch.append(json.dumps(newdoc))
-        self._current_size += newsize
-
-    def search_by_expr(self, q, bq=None, size=10, start=0):
-        " http://docs.amazonwebservices.com/cloudsearch/latest/developerguide/SearchAPI.html "
-        params = {'q': q, 'size': size, 'start': start}
-        if bq:
-            params['bq'] = bq
-        return requests.get(self.search_url, params=params).text
-
 cs = CloudSearch(settings.CLOUDSEARCH_DOMAIN, settings.CLOUDSEARCH_ID, 20)
 
 class CloudSearchPush(Task):