diff --git a/bin/update_institutions b/bin/update_institutions
deleted file mode 100644
index 9cbc71a..0000000
--- a/bin/update_institutions
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/usr/bin/env ruby
-# encoding: utf-8
-require "net/http"
-include InstitutionHelper
-
-InstitutionHelper.mass_update
diff --git a/config/institutions_update.example b/config/institutions_update.example
deleted file mode 100644
index 5f73ecc..0000000
--- a/config/institutions_update.example
+++ /dev/null
@@ -1,4 +0,0 @@
-# This file is an example for a crontab file used to update insitutions from
-# the web service, SIORG.
-
-@weekly root cd /usr/share/noosfero && rails runner plugins/mpog_software/bin/update_institutions
diff --git a/config/siorg.yml b/config/siorg.yml
deleted file mode 100644
index e87e656..0000000
--- a/config/siorg.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-web_service:
-  base_url: http://estruturaorganizacional.dados.gov.br/doc/estrutura-organizacional/resumida.json
-  sphere_codes:
-    federal: 1
-  power_codes:
-    executive: 1
-    legislative: 2
-    judiciary: 3
-  additional_params: retornarOrgaoEntidadeVinculados=NAO
-  environment_name: Noosfero
-  default_community_admin: adminuser
\ No newline at end of file
diff --git a/lib/institution_helper.rb b/lib/institution_helper.rb
deleted file mode 100644
index 117c839..0000000
--- a/lib/institution_helper.rb
+++ /dev/null
@@ -1,106 +0,0 @@
-require "net/http"
-require "yaml"
-
-module InstitutionHelper
-
-  SPHERES = ['federal']
-  POWERS = ['executive', 'legislative', 'judiciary']
-
-  def self.mass_update
-    @web_service_info = self.web_service_info
-
-    environment = Environment.find_by_name(@web_service_info["environment_name"])
-
-    if environment.nil?
-      return
-    end
-
-    admin = environment.people.find_by_name(@web_service_info["default_community_admin"])
-
-    if admin.nil?
-      return
-    end
-
-    POWERS.each do |power|
-      SPHERES.each do |sphere|
-        json = self.get_json power, sphere
-
-        units = json["unidades"]
-
-        units.each do |unit|
-          institution = PublicInstitution.where(:name=>unit["nome"])
-
-          institution = if institution.count == 0
-            PublicInstitution::new
-          else
-            institution.first
-          end
-
-          institution = self.set_institution_data institution, unit
-          institution.save
-          institution.community.add_admin(admin)
-        end
-      end
-    end
-  end
-
-  def self.register_institution_modification institution
-    institution.date_modification = current_date
-    institution.save
-  end
-
-  protected
-
-  def self.web_service_info
-    YAML.load_file(File.dirname(__FILE__) + '/../config/siorg.yml')['web_service']
-  end
-
-  def self.service_url power, sphere
-    base_url = @web_service_info['base_url']
-    power_code = @web_service_info['power_codes'][power].to_s
-    sphere_code = @web_service_info['sphere_codes'][sphere].to_s
-    additional_params = @web_service_info['additional_params']
-
-    return URI("#{base_url}?codigoPoder=#{power_code}&codigoEsfera=#{sphere_code}&#{additional_params}")
-  end
-
-  def self.get_json power, sphere
-    uri = self.service_url power, sphere #URI(BASE_URL+"codigoPoder=#{power_code}&codigoEsfera=#{sphere_code}&retornarOrgaoEntidadeVinculados=NAO")
-    data = Net::HTTP.get(uri)
-    ActiveSupport::JSON.decode(data)
-  end
-
-  def self.retrieve_code unit, field
-    data = unit[field]
-    return data.split("/").last unless (data.blank? || data.nil?)
-    return nil
-  end
-
-  def self.set_institution_data institution, unit
-
-    community = if Community.where(:name=>unit["nome"]).length != 0
-      Community.where(:name=>unit["nome"]).first
-    else
-      Community.new :name=>unit["nome"]
-    end
-
-    institution.community = community
-    institution.name = unit["nome"]
-    institution.acronym  = unit["sigla"]
-    institution.unit_code = self.retrieve_code(unit,"codigoUnidade")
-    institution.parent_code = self.retrieve_code(unit,"codigoUnidadePai")
-    institution.unit_type = self.retrieve_code(unit,"codigoTipoUnidade")
-    institution.juridical_nature = JuridicalNature.where(:name=>self.retrieve_code(unit,"codigoNaturezaJuridica").titleize).first
-    institution.sub_juridical_nature = self.retrieve_code(unit,"codigoSubNaturezaJuridica")
-    institution.normalization_level = unit["nivelNormatizacao"]
-    institution.version = unit["versaoConsulta"]
-    institution.governmental_power = GovernmentalPower.where(:name=>self.retrieve_code(unit,"codigoPoder").capitalize).first
-    institution.governmental_sphere = GovernmentalSphere.where(:name=>self.retrieve_code(unit,"codigoEsfera").capitalize).first
-    institution
-  end
-
-  def self.current_date
-    date = Time.now.day.to_s + "/" + Time.now.month.to_s + "/" + Time.now.year.to_s
-    date
-  end
-end
diff --git a/test/integration/institution_helper_test.rb b/test/integration/institution_helper_test.rb
deleted file mode 100644
index 4aa8971..0000000
--- a/test/integration/institution_helper_test.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-require File.dirname(__FILE__) + '/../../../../test/test_helper'
-
-class InstitutionHelperTest < ActionController::IntegrationTest
-
-  def setup
-    admin = create_user("test_admin").person
-    admin.stubs(:has_permission?).returns("true")
-
-    @environment = Environment.default
-    @environment.enabled_plugins = ['MpogSoftwarePlugin']
-    @environment.add_admin(admin)
-    @environment.name = "test_environment"
-    @environment.save
-  end
-
-  should "not proceed with SIORG script if environment name isn't the informed" do
-    assert !InstitutionHelper.mass_update, "Should not find the environment."
-  end
-  should "not proceed with SIORG script if admin name isn't the informed" do
-    @environment.name = "Noosfero"
-    @environment.save
-
-    assert !InstitutionHelper.mass_update, "Could not find the admin."
-  end
-end
--
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