diff --git a/database.xml b/database.xml
index c5ffe82cced9e0de9b7ed2b44f954bf8e58cc316..490d6fb57eab582e5af548e3970470fcc286f2c0 100644
--- a/database.xml
+++ b/database.xml
@@ -42,7 +42,6 @@
             <field type="VARCHAR(255) NOT NULL">area</field>
             <field type="INT NULL">brick</field>
 
-            <index>id,area,brick</index>
             <index>id</index>
             <index>area</index>
         </table>