# File lib/active_ldap/connection.rb, line 126
      def remove_connection(klass_or_key=self)
        if klass_or_key.is_a?(Module)
          key = active_connection_key(klass_or_key)
        else
          key = klass_or_key
        end
        config = configuration(key)
        conn = active_connections[key]
        remove_configuration_by_configuration(config)
        active_connections.delete_if {|key, value| value == conn}
        conn.disconnect! if conn
        config
      end