diff --git a/src/dbi.py b/src/dbi.py
index a7bfa138c..990aa351c 100644
--- a/src/dbi.py
+++ b/src/dbi.py
@@ -39,6 +39,7 @@ import csv
 import math
 import sets
 import random
+from itertools import ilen
 
 import supybot.cdb as cdb
 import supybot.utils as utils
@@ -310,6 +311,9 @@ class DB(object):
     def flush(self):
         self.map.flush()
 
+    def vacuum(self):
+        self.map.vacuum()
+
     def close(self):
         self.map.close()