diff --git a/services/importer/spec/unit/connection_manager_spec.rb b/services/importer/spec/unit/connection_manager_spec.rb
index c4c4afd293..bbd5a88520 100644
--- a/services/importer/spec/unit/connection_manager_spec.rb
+++ b/services/importer/spec/unit/connection_manager_spec.rb
@@ -8,16 +8,12 @@ describe Carto::ConnectionManager do
   let(:other_user) { create(:carto_user_light) }
   let(:other_connection_manager) { Carto::ConnectionManager.new(other_user) }
 
-  before(:all) do
-    Carto::Connector::PROVIDERS << DummyConnectorProvider
-    Carto::Connector.providers.keys.each do |provider_name|
-      Carto::ConnectorProvider.create! name: provider_name
-    end
-  end
-
-  around(:each) do |example|
+  around do |example|
     config = { 'dummy' => { 'enabled' => true } }
-    Cartodb.with_config(connectors: config, &example)
+
+    Cartodb.with_config(connectors: config) do
+      with_connector_providers(DummyConnectorProvider, incremental: true, &example)
+    end
   end
 
   let(:connection1) do
diff --git a/services/importer/spec/unit/connector_runner_spec.rb b/services/importer/spec/unit/connector_runner_spec.rb
index c22eca4619..c4d7d7a275 100644
--- a/services/importer/spec/unit/connector_runner_spec.rb
+++ b/services/importer/spec/unit/connector_runner_spec.rb
@@ -20,11 +20,7 @@ describe CartoDB::Importer2::ConnectorRunner do
     @fake_log = CartoDB::Importer2::Doubles::Log.new(@user)
     @providers = %w(dummy)
     @fake_log.clear
-    Carto::Connector::PROVIDERS << DummyConnectorProvider
-    Carto::Connector::PROVIDERS << DummyConnectorProviderWithModifiedDate
-    Carto::Connector.providers(all: true).keys.each do |provider_name|
-      Carto::ConnectorProvider.create! name: provider_name
-    end
+    @previous_providers = replace_connector_providers(DummyConnectorProvider, DummyConnectorProviderWithModifiedDate)
   end
 
   before(:each) do
@@ -35,10 +31,7 @@ describe CartoDB::Importer2::ConnectorRunner do
   after(:all) do
     @user.destroy
     @feature_flag.destroy
-    Carto::Connector.providers(all: true).keys.each do |provider_name|
-      Carto::ConnectorProvider.find_by_name(provider_name).destroy
-    end
-    Carto::Connector::PROVIDERS.delete DummyConnectorProvider
+    restore_connector_providers(@previous_providers)
   end
 
   after(:each) do
diff --git a/services/importer/spec/unit/connector_spec.rb b/services/importer/spec/unit/connector_spec.rb
index c8a55d85d3..e913a5e7ea 100644
--- a/services/importer/spec/unit/connector_spec.rb
+++ b/services/importer/spec/unit/connector_spec.rb
@@ -12,13 +12,12 @@ describe Carto::Connector do
     @user = create_user
     @user.save
     @fake_log = CartoDB::Importer2::Doubles::Log.new(@user)
-    Carto::Connector::PROVIDERS << DummyConnectorProvider
-    Carto::Connector::PROVIDERS << dummy_connector_provider_with_id('another_dummy')
-    Carto::Connector::PROVIDERS << dummy_connector_provider_with_id('third_dummy')
-    Carto::Connector::PROVIDERS << DummyConnectorProviderWithModifiedDate
-    Carto::Connector.providers.keys.each do |provider_name|
-      Carto::ConnectorProvider.create! name: provider_name
-    end
+    @previous_providers = replace_connector_providers(
+      DummyConnectorProvider,
+      dummy_connector_provider_with_id('another_dummy'),
+      dummy_connector_provider_with_id('third_dummy'),
+      DummyConnectorProviderWithModifiedDate
+    )
   end
 
   before(:each) do
@@ -31,9 +30,7 @@ describe Carto::Connector do
 
   after(:all) do
     @user.destroy
-    Carto::Connector.providers.keys.each do |provider_name|
-      Carto::ConnectorProvider.find_by_name(provider_name).destroy
-    end
+    restore_connector_providers(@previous_providers)
   end
 
   it "Should list providers available for a user with default configuration" do
diff --git a/spec/models/carto/connection_spec.rb b/spec/models/carto/connection_spec.rb
index 4a9af7b299..5e8e465cee 100644
--- a/spec/models/carto/connection_spec.rb
+++ b/spec/models/carto/connection_spec.rb
@@ -5,16 +5,12 @@ describe Carto::Connection do
   let(:user) { create(:carto_user_light) }
   let(:fake_log) { CartoDB::Importer2::Doubles::Log.new(user) }
 
-  before(:all) do
-    Carto::Connector::PROVIDERS << DummyConnectorProvider
-    Carto::Connector.providers.keys.each do |provider_name|
-      Carto::ConnectorProvider.create! name: provider_name
-    end
-  end
-
-  around(:each) do |example|
+  around do |example|
     config = { 'dummy' => { 'enabled' => true } }
-    Cartodb.with_config(connectors: config, &example)
+
+    Cartodb.with_config(connectors: config) do
+      with_connector_providers(DummyConnectorProvider, incremental: true, &example)
+    end
   end
 
   describe 'connection type is automatically computed' do
diff --git a/spec/requests/carto/api/connectors_controller_spec.rb b/spec/requests/carto/api/connectors_controller_spec.rb
index f09a412517..6ba745001c 100644
--- a/spec/requests/carto/api/connectors_controller_spec.rb
+++ b/spec/requests/carto/api/connectors_controller_spec.rb
@@ -9,20 +9,24 @@ describe Carto::Api::ConnectorsController do
   before(:all) do
     create(:feature_flag, name: 'carto-connectors', restricted: false)
     @user = FactoryGirl.create(:carto_user)
-    Carto::Connector::PROVIDERS.clear
-    Carto::Connector::PROVIDERS << dummy_connector_provider_with_id('postgres', 'PostgreSQL')
-    Carto::Connector::PROVIDERS << dummy_connector_provider_with_id('hive', 'Hive')
-    Carto::Connector::PROVIDERS << dummy_connector_provider_with_id('bigquery', 'BigQuery',
-      'sql_queries': false,
-      'list_databases': true,
-      'list_tables': true,
-      'preview_table': true,
-      'dry_run': true,
-      'list_projects': true
+
+    @previous_providers = replace_connector_providers(
+      dummy_connector_provider_with_id('postgres', 'PostgreSQL'),
+      dummy_connector_provider_with_id('hive', 'Hive'),
+      dummy_connector_provider_with_id(
+        'bigquery', 'BigQuery',
+        'sql_queries': false,
+        'list_databases': true,
+        'list_tables': true,
+        'preview_table': true,
+        'dry_run': true,
+        'list_projects': true
+      )
     )
 
-    @connector_provider_postgres = FactoryGirl.create(:connector_provider, name: 'postgres')
-    @connector_provider_hive = FactoryGirl.create(:connector_provider, name: 'hive')
+    @connector_provider_postgres = Carto::ConnectorProvider.find_by(name: 'postgres')
+    @connector_provider_hive = Carto::ConnectorProvider.find_by(name: 'hive')
+
     @connector_config_user = FactoryGirl.create(:connector_configuration,
                                                  user_id: @user.id,
                                                  connector_provider_id: @connector_provider_postgres.id,
@@ -46,8 +50,7 @@ describe Carto::Api::ConnectorsController do
     @connector_config_user.destroy
     @connector_config_org_user.destroy
     @connector_config_org.destroy
-    @connector_provider_postgres.destroy
-    @connector_provider_hive.destroy
+    restore_connector_providers(@previous_providers)
   end
 
   describe '#index' do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e3f90fba5b..36666202c9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -5,6 +5,7 @@ require 'helpers/named_maps_helper'
 require 'helpers/unique_names_helper'
 require './spec/support/message_broker_stubs'
 require './spec/support/shared_entities_spec_helper'
+require 'spec_helper_common'
 
 # This file is copied to spec/ when you run 'rails generate rspec:install'
 raise %(Cannot run tests in an env other than 'test', RAILS_ENV=#{Rails.env}) unless Rails.env.test?
@@ -140,7 +141,3 @@ def set_cookies_for_next_request(previous_response)
   received_cookies = parse_set_cookie_header(previous_response.headers["Set-Cookie"])
   received_cookies.each { |key, value| cookies[key] = value }
 end
-
-def mocked_record(data)
-  Struct.new(*data.keys).new(*data.values)
-end
diff --git a/spec/spec_helper_common.rb b/spec/spec_helper_common.rb
new file mode 100644
index 0000000000..47d40cb629
--- /dev/null
+++ b/spec/spec_helper_common.rb
@@ -0,0 +1,25 @@
+def mocked_record(data)
+  Struct.new(*data.keys).new(*data.values)
+end
+
+def replace_connector_providers(*args)
+  options = args.extract_options!
+  original_providers = Carto::Connector::PROVIDERS.dup
+  Carto::Connector::PROVIDERS.clear unless options[:incremental]
+  Carto::Connector::PROVIDERS.push(*args)
+  Carto::Connector.providers.keys.each do |provider_name|
+    create(:connector_provider, name: provider_name) unless Carto::ConnectorProvider.where(name: provider_name).exists?
+  end
+  original_providers
+end
+
+def restore_connector_providers(providers)
+  Carto::Connector::PROVIDERS.replace(providers)
+end
+
+def with_connector_providers(*args)
+  original_providers = replace_connector_providers(*args)
+  yield
+ensure
+  restore_connector_providers(original_providers)
+end
diff --git a/spec/spec_helper_min.rb b/spec/spec_helper_min.rb
index 105476263c..f19766d004 100644
--- a/spec/spec_helper_min.rb
+++ b/spec/spec_helper_min.rb
@@ -6,6 +6,7 @@ require 'helpers/named_maps_helper'
 require './spec/support/message_broker_stubs'
 require './spec/support/redis'
 require './spec/support/shared_entities_spec_helper'
+require 'spec_helper_common'
 
 raise %(Cannot run tests in an env other than 'test', RAILS_ENV=#{Rails.env}) unless Rails.env.test?