diff --git a/src/Orchard.Web/Config/Sites.config b/src/Orchard.Web/Config/Sites.config
index 058439b3e..b64e22c3f 100644
--- a/src/Orchard.Web/Config/Sites.config
+++ b/src/Orchard.Web/Config/Sites.config
@@ -20,27 +20,30 @@
             <!-- 
                 Uncomment to use ReadUncommitted as the default isolation level. Please not that
                 Sql Server Ce doesn't support ReadUncommitted.
+
+                Isolation level for all database transaction. 
+                See http://msdn.microsoft.com/en-us/library/system.transactions.isolationlevel.aspx 
             -->
+            <!--
             <component instance-scope="per-lifetime-scope"
                        type="Orchard.Data.SessionLocator, Orchard.Framework"
                        service="Orchard.Data.ISessionLocator">
                 <properties>
-                    <!-- 
-                        Isolation level for all database transaction. 
-                        See http://msdn.microsoft.com/en-us/library/system.transactions.isolationlevel.aspx 
-                    -->
                     <property name="IsolationLevel" value="ReadUncommitted" />
                 </properties>
             </component>
+            -->
 
+            <!-- 
+                Delay between background services executions
             <component instance-scope="single-instance"
                        type="Orchard.Tasks.SweepGenerator"
                        service="Orchard.Tasks.ISweepGenerator">
                 <properties>
-                    <!-- Delay between background services executions -->
                     <property name="Interval" value="00:01:00" />
                 </properties>
             </component>
+             -->
         </components>
     </autofac>