diff --git a/IpViewer/App.config b/IpViewer/App.config
index 0e4f970..ef355a5 100644
--- a/IpViewer/App.config
+++ b/IpViewer/App.config
@@ -37,16 +37,4 @@
       <appender-ref ref="RollingFile"/>
     </root>
   </log4net>
-  <system.web>
-    <membership defaultProvider="ClientAuthenticationMembershipProvider">
-      <providers>
-        <add name="ClientAuthenticationMembershipProvider" type="System.Web.ClientServices.Providers.ClientFormsAuthenticationMembershipProvider, System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" serviceUri=""/>
-      </providers>
-    </membership>
-    <roleManager defaultProvider="ClientRoleProvider" enabled="true">
-      <providers>
-        <add name="ClientRoleProvider" type="System.Web.ClientServices.Providers.ClientRoleProvider, System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" serviceUri="" cacheTimeout="86400"/>
-      </providers>
-    </roleManager>
-  </system.web>
 </configuration>