diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 0449d48f3..fac09b643 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -229,15 +229,6 @@ Layout/FirstParameterIndentation:
 Style/GuardClause:
   Enabled: false
 
-# Offense count: 10
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, SupportedStyles, UseHashRocketsWithSymbolValues, PreferHashRocketsForNonAlnumEndingSymbols.
-# SupportedStyles: ruby19, hash_rockets, no_mixed_keys, ruby19_no_mixed_keys
-Style/HashSyntax:
-  Exclude:
-    - 'lib/sms_api.rb'
-    - 'spec/factories.rb'
-
 # Offense count: 6
 # Cop supports --auto-correct.
 # Configuration parameters: MaxLineLength.
diff --git a/app/controllers/sandbox_controller.rb b/app/controllers/sandbox_controller.rb
index 12b5dd91e..b1a143f54 100644
--- a/app/controllers/sandbox_controller.rb
+++ b/app/controllers/sandbox_controller.rb
@@ -14,10 +14,10 @@ class SandboxController < ApplicationController
 
   def show
     if params[:template].index('.') # CVE-2014-0130
-      render :action => "index"
+      render action: "index"
     elsif lookup_context.exists?("sandbox/#{params[:template]}")
       if params[:template] == "index"
-        render :action => "index"
+        render action: "index"
       else
         render "sandbox/#{params[:template]}"
       end
@@ -25,7 +25,7 @@ class SandboxController < ApplicationController
     elsif lookup_context.exists?("sandbox/#{params[:template]}/index")
       render "sandbox/#{params[:template]}/index"
     else
-      render :action => "index"
+      render action: "index"
     end
   end
 
diff --git a/app/models/legislation/question.rb b/app/models/legislation/question.rb
index 4381b752a..09449b449 100644
--- a/app/models/legislation/question.rb
+++ b/app/models/legislation/question.rb
@@ -9,7 +9,7 @@ class Legislation::Question < ActiveRecord::Base
   has_many :answers, class_name: 'Legislation::Answer', foreign_key: 'legislation_question_id', dependent: :destroy, inverse_of: :question
   has_many :comments, as: :commentable, dependent: :destroy
 
-  accepts_nested_attributes_for :question_options, :reject_if => proc { |attributes| attributes[:value].blank? }, allow_destroy: true
+  accepts_nested_attributes_for :question_options, reject_if: proc { |attributes| attributes[:value].blank? }, allow_destroy: true
 
   validates :process, presence: true
   validates :title, presence: true
diff --git a/lib/sms_api.rb b/lib/sms_api.rb
index 9b866fc87..252d0749e 100644
--- a/lib/sms_api.rb
+++ b/lib/sms_api.rb
@@ -38,7 +38,20 @@ class SMSApi
   end
 
   def stubbed_response
-    {:respuesta_sms => {:identificador_mensaje => "1234567", :fecha_respuesta => "Thu, 20 Aug 2015 16:28:05 +0200", :respuesta_pasarela => {:codigo_pasarela => "0000", :descripcion_pasarela => "Operación ejecutada correctamente."}, :respuesta_servicio_externo => {:codigo_respuesta => "1000", :texto_respuesta => "Success"}}}
+    {
+      respuesta_sms: {
+        identificador_mensaje: "1234567",
+        fecha_respuesta: "Thu, 20 Aug 2015 16:28:05 +0200",
+        respuesta_pasarela: {
+          codigo_pasarela: "0000",
+          descripcion_pasarela: "Operación ejecutada correctamente."
+        },
+        respuesta_servicio_externo: {
+          codigo_respuesta: "1000",
+          texto_respuesta: "Success"
+        }
+      }
+    }
   end
 
 end
diff --git a/spec/factories.rb b/spec/factories.rb
index 18df18120..5dc19a708 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -552,7 +552,7 @@ FactoryGirl.define do
     sequence(:value) { |n| "Setting #{n} Value" }
   end
 
-  factory :ahoy_event, :class => Ahoy::Event do
+  factory :ahoy_event, class: Ahoy::Event do
     id { SecureRandom.uuid }
     time DateTime.current
     sequence(:name) {|n| "Event #{n} type"}