diff --git a/account_banking_sepa_direct_debit/__openerp__.py b/account_banking_sepa_direct_debit/__openerp__.py
index 798db0176..92a348e05 100644
--- a/account_banking_sepa_direct_debit/__openerp__.py
+++ b/account_banking_sepa_direct_debit/__openerp__.py
@@ -30,7 +30,6 @@
         'data/report_paperformat.xml',
         'reports/sepa_direct_debit_mandate.xml',
         'views/report_sepa_direct_debit_mandate.xml',
-        'security/original_mandate_required_security.xml',
     ],
     'demo': ['demo/sepa_direct_debit_demo.xml'],
     'installable': True,
diff --git a/account_banking_sepa_direct_debit/models/account_banking_mandate.py b/account_banking_sepa_direct_debit/models/account_banking_mandate.py
index ca2381204..8895a9ba1 100644
--- a/account_banking_sepa_direct_debit/models/account_banking_mandate.py
+++ b/account_banking_sepa_direct_debit/models/account_banking_mandate.py
@@ -46,21 +46,6 @@ class AccountBankingMandate(models.Model):
         string='Sequence Type for Next Debit', track_visibility='onchange',
         help="This field is only used for Recurrent mandates, not for "
              "One-Off mandates.", default="first")
-    sepa_migrated = fields.Boolean(
-        string='Migrated to SEPA', track_visibility='onchange',
-        help="If this field is not active, the mandate section of the next "
-             "direct debit file that include this mandate will contain the "
-             "'Original Mandate Identification' and the 'Original Creditor "
-             "Scheme Identification'. This is required in a few countries "
-             "(Belgium for instance), but not in all countries. If this is "
-             "not required in your country, you should keep this field always "
-             "active.", default=True)
-    original_mandate_identification = fields.Char(
-        string='Original Mandate Identification', track_visibility='onchange',
-        size=35,
-        help="When the field 'Migrated to SEPA' is not active, this field "
-             "will be used as the Original Mandate Identification in the "
-             "Direct Debit file.")
     scheme = fields.Selection([('CORE', 'Basic (CORE)'),
                                ('B2B', 'Enterprise (B2B)')],
                               string='Scheme', default="CORE")
@@ -76,30 +61,6 @@ class AccountBankingMandate(models.Model):
                     _("The recurrent mandate '%s' must have a sequence type.")
                     % mandate.unique_mandate_reference)
 
-    @api.multi
-    @api.constrains('type', 'recurrent_sequence_type', 'sepa_migrated')
-    def _check_migrated_to_sepa(self):
-        for mandate in self:
-            if (mandate.type == 'recurrent' and not mandate.sepa_migrated and
-                    mandate.recurrent_sequence_type != 'first'):
-                raise exceptions.Warning(
-                    _("The recurrent mandate '%s' which is not marked as "
-                      "'Migrated to SEPA' must have its recurrent sequence "
-                      "type set to 'First'.")
-                    % mandate.unique_mandate_reference)
-
-    @api.multi
-    @api.constrains('type', 'original_mandate_identification', 'sepa_migrated')
-    def _check_original_mandate_identification(self):
-        for mandate in self:
-            if (mandate.type == 'recurrent' and not mandate.sepa_migrated and
-                    not mandate.original_mandate_identification):
-                raise exceptions.Warning(
-                    _("You must set the 'Original Mandate Identification' on "
-                      "the recurrent mandate '%s' which is not marked as "
-                      "'Migrated to SEPA'.")
-                    % mandate.unique_mandate_reference)
-
     @api.multi
     @api.onchange('partner_bank_id')
     def mandate_partner_bank_change(self):
diff --git a/account_banking_sepa_direct_debit/models/payment_mode.py b/account_banking_sepa_direct_debit/models/payment_mode.py
index f3c1ac1b6..ecfc73f7e 100644
--- a/account_banking_sepa_direct_debit/models/payment_mode.py
+++ b/account_banking_sepa_direct_debit/models/payment_mode.py
@@ -19,10 +19,6 @@ class PaymentMode(models.Model):
              "- a 2-digits checkum\n"
              "- a 3-letters business code\n"
              "- a country-specific identifier")
-    original_creditor_identifier = fields.Char(
-        string='Original Creditor Identifier', size=70,
-        help="If not defined, Original Creditor Identifier from company "
-             "will be used.")
 
     def _sepa_type_get(self):
         res = super(PaymentMode, self)._sepa_type_get()
diff --git a/account_banking_sepa_direct_debit/models/res_company.py b/account_banking_sepa_direct_debit/models/res_company.py
index c57dc8b04..cd837255e 100644
--- a/account_banking_sepa_direct_debit/models/res_company.py
+++ b/account_banking_sepa_direct_debit/models/res_company.py
@@ -18,8 +18,6 @@ class ResCompany(models.Model):
              "of :\n- your country ISO code (2 letters)\n- a 2-digits "
              "checkum\n- a 3-letters business code\n- a country-specific "
              "identifier")
-    original_creditor_identifier = fields.Char(
-        string='Original Creditor Identifier', size=70)
 
     @api.multi
     @api.constrains('sepa_creditor_identifier')
diff --git a/account_banking_sepa_direct_debit/security/original_mandate_required_security.xml b/account_banking_sepa_direct_debit/security/original_mandate_required_security.xml
deleted file mode 100644
index e6a8570cf..000000000
--- a/account_banking_sepa_direct_debit/security/original_mandate_required_security.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright (C) 2013 Akretion (http://www.akretion.com/)
-  @author: Alexis de Lattre <alexis.delattre@akretion.com>
-  The licence is in the file __openerp__.py
--->
-
-<openerp>
-<data noupdate="1">
-
-<record id="group_original_mandate_required" model="res.groups">
-    <field name="name">Original Mandate Required (SEPA)</field>
-    <field name="category_id" ref="base.module_category_hidden"/>
-</record>
-
-</data>
-</openerp>
diff --git a/account_banking_sepa_direct_debit/views/account_banking_mandate_view.xml b/account_banking_sepa_direct_debit/views/account_banking_mandate_view.xml
index 667cedb54..f23a4e151 100644
--- a/account_banking_sepa_direct_debit/views/account_banking_mandate_view.xml
+++ b/account_banking_sepa_direct_debit/views/account_banking_mandate_view.xml
@@ -25,10 +25,6 @@
             <field name="scheme" attrs="{'invisible': [('format', '!=', 'sepa')],
                                          'required': [('format', '=', 'sepa')]}"/>
         </field>
-        <field name="last_debit_date" position="after">
-            <field name="sepa_migrated" groups="account_banking_sepa_direct_debit.group_original_mandate_required"/>
-            <field name="original_mandate_identification" attrs="{'invisible': [('sepa_migrated', '=', True)], 'required': [('sepa_migrated', '=', False)]}" groups="account_banking_sepa_direct_debit.group_original_mandate_required"/>
-        </field>
     </field>
 </record>
 
diff --git a/account_banking_sepa_direct_debit/views/payment_mode_view.xml b/account_banking_sepa_direct_debit/views/payment_mode_view.xml
index 9bba891d6..68703a217 100644
--- a/account_banking_sepa_direct_debit/views/payment_mode_view.xml
+++ b/account_banking_sepa_direct_debit/views/payment_mode_view.xml
@@ -13,8 +13,6 @@
             <group>
                 <field name="sepa_creditor_identifier"
                        attrs="{'invisible': [('sepa_type', '!=', 'sepa_direct_debit')]}"/>
-                <field name="original_creditor_identifier"
-                       attrs="{'invisible': [('sepa_type', '!=', 'sepa_direct_debit')]}"/>
             </group>
         </group>
     </field>
diff --git a/account_banking_sepa_direct_debit/views/res_company_view.xml b/account_banking_sepa_direct_debit/views/res_company_view.xml
index e4c9e0b93..3c1d3cdcf 100644
--- a/account_banking_sepa_direct_debit/views/res_company_view.xml
+++ b/account_banking_sepa_direct_debit/views/res_company_view.xml
@@ -14,7 +14,6 @@
     <field name="arch" type="xml">
         <group name="pain" position="inside">
             <field name="sepa_creditor_identifier"/>
-            <field name="original_creditor_identifier" groups="account_banking_sepa_direct_debit.group_original_mandate_required"/>
         </group>
     </field>
 </record>
diff --git a/account_banking_sepa_direct_debit/wizard/export_sdd.py b/account_banking_sepa_direct_debit/wizard/export_sdd.py
index 9b4022d46..fc898f27e 100644
--- a/account_banking_sepa_direct_debit/wizard/export_sdd.py
+++ b/account_banking_sepa_direct_debit/wizard/export_sdd.py
@@ -267,72 +267,25 @@ class BankingExportSddWizard(models.TransientModel):
                     'Mandate Signature Date',
                     'line.mandate_id.signature_date',
                     {'line': line}, 10, gen_args=gen_args)
-                if sequence_type == 'FRST' and (
-                        line.mandate_id.last_debit_date or
-                        not line.mandate_id.sepa_migrated):
-                    previous_bank = self._get_previous_bank(line)
-                    if previous_bank or not line.mandate_id.sepa_migrated:
-                        amendment_indicator_2_50 = etree.SubElement(
-                            mandate_related_info_2_47, 'AmdmntInd')
-                        amendment_indicator_2_50.text = 'true'
-                        amendment_info_details_2_51 = etree.SubElement(
-                            mandate_related_info_2_47, 'AmdmntInfDtls')
-                    if previous_bank:
-                        if (previous_bank.bank.bic or
-                            previous_bank.bank_bic) == \
-                            (line.bank_id.bank.bic or
-                             line.bank_id.bank_bic):
-                            ori_debtor_account_2_57 = etree.SubElement(
-                                amendment_info_details_2_51, 'OrgnlDbtrAcct')
-                            ori_debtor_account_id = etree.SubElement(
-                                ori_debtor_account_2_57, 'Id')
-                            ori_debtor_account_iban = etree.SubElement(
-                                ori_debtor_account_id, 'IBAN')
-                            ori_debtor_account_iban.text = self._validate_iban(
-                                self._prepare_field(
-                                    'Original Debtor Account',
-                                    'previous_bank.acc_number',
-                                    {'previous_bank': previous_bank},
-                                    gen_args=gen_args))
-                        else:
-                            ori_debtor_agent_2_58 = etree.SubElement(
-                                amendment_info_details_2_51, 'OrgnlDbtrAgt')
-                            ori_debtor_agent_institution = etree.SubElement(
-                                ori_debtor_agent_2_58, 'FinInstnId')
-                            ori_debtor_agent_bic = etree.SubElement(
-                                ori_debtor_agent_institution, bic_xml_tag)
-                            ori_debtor_agent_bic.text = self._prepare_field(
-                                'Original Debtor Agent',
-                                'previous_bank.bank.bic or '
-                                'previous_bank.bank_bic',
-                                {'previous_bank': previous_bank},
-                                gen_args=gen_args)
-                            ori_debtor_agent_other = etree.SubElement(
-                                ori_debtor_agent_institution, 'Othr')
-                            ori_debtor_agent_other_id = etree.SubElement(
-                                ori_debtor_agent_other, 'Id')
-                            ori_debtor_agent_other_id.text = 'SMNDA'
-                            # SMNDA = Same Mandate New Debtor Agent
-                    elif not line.mandate_id.sepa_migrated:
-                        ori_mandate_identification_2_52 = etree.SubElement(
-                            amendment_info_details_2_51, 'OrgnlMndtId')
-                        ori_mandate_identification_2_52.text = \
-                            self._prepare_field(
-                                'Original Mandate Identification',
-                                'line.mandate_id.'
-                                'original_mandate_identification',
-                                {'line': line},
-                                gen_args=gen_args)
-                        ori_creditor_scheme_id_2_53 = etree.SubElement(
-                            amendment_info_details_2_51, 'OrgnlCdtrSchmeId')
-                        self.generate_creditor_scheme_identification(
-                            ori_creditor_scheme_id_2_53,
-                            'self.payment_order_ids[0].mode.'
-                            'original_creditor_identifier or '
-                            'self.payment_order_ids[0].company_id.'
-                            'original_creditor_identifier',
-                            'Original Creditor Identifier',
-                            {'self': self}, 'SEPA', gen_args)
+                if sequence_type == 'FRST' and line.mandate_id.last_debit_date:
+                    amendment_indicator_2_50 = etree.SubElement(
+                        mandate_related_info_2_47, 'AmdmntInd')
+                    amendment_indicator_2_50.text = 'true'
+                    amendment_info_details_2_51 = etree.SubElement(
+                        mandate_related_info_2_47, 'AmdmntInfDtls')
+                    ori_debtor_account_2_57 = etree.SubElement(
+                        amendment_info_details_2_51, 'OrgnlDbtrAcct')
+                    ori_debtor_account_id = etree.SubElement(
+                        ori_debtor_account_2_57, 'Id')
+                    ori_debtor_agent_other = etree.SubElement(
+                        ori_debtor_account_id, 'Othr')
+                    ori_debtor_agent_other_id = etree.SubElement(
+                        ori_debtor_agent_other, 'Id')
+                    ori_debtor_agent_other_id.text = 'SMNDA'
+                    # Until 20/11/2016, SMNDA meant
+                    # "Same Mandate New Debtor Agent"
+                    # After 20/11/2016, SMNDA means
+                    # "Same Mandate New Debtor Account"
 
                 self.generate_party_block(
                     dd_transaction_info_2_28, 'Dbtr', 'C',
@@ -389,6 +342,5 @@ class BankingExportSddWizard(models.TransientModel):
             to_expire_mandates.write({'state': 'expired'})
             first_mandates.write({
                 'recurrent_sequence_type': 'recurring',
-                'sepa_migrated': True,
                 })
         return True