diff --git a/logscraper/logscraper.py b/logscraper/logscraper.py
index c6a52f9..b737590 100755
--- a/logscraper/logscraper.py
+++ b/logscraper/logscraper.py
@@ -284,6 +284,7 @@ class BuildCache:
 
         # clean builds that are older than 1 day
         self.clean()
+        self.vacuum()
 
         rows = self.fetch_data()
         if rows:
@@ -315,6 +316,10 @@ class BuildCache:
     def add(self, uid):
         self.builds[uid] = int(datetime.datetime.now().timestamp())
 
+    def vacuum(self):
+        self.cursor.execute("vacuum")
+        self.connection.commit()
+
     def clean(self):
         # Remove old builds
         yesterday = datetime.datetime.now() - datetime.timedelta(days=1)
diff --git a/logscraper/tests/test_logscraper.py b/logscraper/tests/test_logscraper.py
index d90a584..116d816 100644
--- a/logscraper/tests/test_logscraper.py
+++ b/logscraper/tests/test_logscraper.py
@@ -566,7 +566,7 @@ class TestBuildCache(base.TestCase):
         mock_execute = mock_connect.return_value.cursor.return_value.execute
         mock_execute.assert_called()
         self.assertEqual('SELECT uid, timestamp FROM logscraper',
-                         mock_execute.call_args_list[2].args[0])
+                         mock_execute.call_args_list[3].args[0])
 
     def test_clean(self):
         # add old data