Is it possible to get ACS claims without editing web.config?

To remove that xml line from the web config, I made my own WSFederationAuthenticationModule overriding the old one, like so:

public class CustomWSFederationAuthenticationModule : WSFederationAuthenticationModule
{
    protected override void InitializePropertiesFromConfiguration(string serviceName)
    {
        this.Realm = "http://localhost:81/";
        this.Issuer = "https://acsnamespace.accesscontrol.windows.net/v2/wsfederation";
        this.RequireHttps = false;
        this.PassiveRedirectEnabled = true;
    }
}

And the important part of the web.config:

<modules runAllManagedModulesForAllRequests="true">
  <add name="WSFederationAuthenticationModule" type="CustomModuleLocation.CustomWSFederationAuthenticationModule, CustomModuleLocation" preCondition="managedHandler"/>
  <add name="SessionAuthenticationModule" type="Microsoft.IdentityModel.Web.SessionAuthenticationModule, Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" preCondition="managedHandler" />
</modules>

Also the federatedAuthentication section of the XML is removed entirely.