diff --git a/product/ERP5/PropertySheet/CopyrightTax.py b/product/ERP5/PropertySheet/CopyrightTax.py
deleted file mode 100644
index 097f8d83bbd611143e43844d43f0a781e2fd072e..0000000000000000000000000000000000000000
--- a/product/ERP5/PropertySheet/CopyrightTax.py
+++ /dev/null
@@ -1,50 +0,0 @@
-##############################################################################
-#
-# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
-#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# This program is Free Software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-##############################################################################
-
-class CopyrightTax:
-    """
-        Properties for objects such as invoices which require specification of
-        a copyright tax (ex. private copy tax on recordable CD in France).
-        Based on these properties, accounting transaction lines can be generated.
-    """
-
-    _properties = (
-        {   'id'          : 'copyright_tax_base_price',
-            'description' : 'A minimum value for the copyright tax',
-            'type'        : 'float',
-            'mode'        : 'w' },
-        {   'id'          : 'copyright_tax_ratio',
-            'description' : 'Ratio which should be applied to income to calculate copyright tax',
-            'type'        : 'float',
-            'mode'        : 'w' },
-        {   'id'          : 'copyright_tax_recoverable',
-            'description' : 'Defines recoverability of the copyright tax',
-            'type'        : 'boolean',
-            'mode'        : 'w' },
-    )
-
diff --git a/product/ERP5/PropertySheet/EcoTax.py b/product/ERP5/PropertySheet/EcoTax.py
deleted file mode 100644
index 471e7c8103ed896a69750a8fd0891b1904ac25b3..0000000000000000000000000000000000000000
--- a/product/ERP5/PropertySheet/EcoTax.py
+++ /dev/null
@@ -1,50 +0,0 @@
-##############################################################################
-#
-# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
-#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# This program is Free Software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-##############################################################################
-
-class EcoTax:
-    """
-        Properties for objects such as invoices which require specification of
-        an environmental tax (ex.recupel in Belgium).
-        Based on these properties, accounting transaction lines can be generated.
-    """
-
-    _properties = (
-        {   'id'          : 'eco_tax_base_price',
-            'description' : 'A minimum value for the ecologic tax',
-            'type'        : 'float',
-            'mode'        : 'w' },
-        {   'id'          : 'eco_tax_ratio',
-            'description' : 'Ratio which should be applied to income to calculate ecologic tax',
-            'type'        : 'float',
-            'mode'        : 'w' },
-        {   'id'          : 'eco_tax_recoverable',
-            'description' : 'Defines recoverability of the ecologic tax',
-            'type'        : 'boolean',
-            'mode'        : 'w' },
-    )
-
diff --git a/product/ERP5/PropertySheet/ValueAddedTax.py b/product/ERP5/PropertySheet/ValueAddedTax.py
deleted file mode 100644
index b0dfa68dc9c39ae9072e0ce30a7bb6166307a921..0000000000000000000000000000000000000000
--- a/product/ERP5/PropertySheet/ValueAddedTax.py
+++ /dev/null
@@ -1,62 +0,0 @@
-##############################################################################
-#
-# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
-#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# This program is Free Software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-##############################################################################
-
-from Products.CMFCore.Expression import Expression
-
-class ValueAddedTax:
-    """
-        Properties for objects such as invoices which require specification of
-        a VAT or sales tax. Based on these properties, accounting transaction lines
-        can be generated.
-    """
-
-    _properties = (
-        {   'id'          : 'value_added_tax_ratio',
-            'description' : 'Ratio which should be applied to income to calculate VAT',
-            'type'        : 'float',
-            'acquisition_base_category' : ('parent',),
-            'acquisition_portal_type'   : Expression('python: portal.getPortalInvoiceTypeList() + portal.getPortalInvoiceMovementTypeList()'),
-            'acquisition_copy_value'    : 0,
-            'acquisition_mask_value'    : 1,
-            'acquisition_sync_value'    : 0,
-            'acquisition_accessor_id'   : 'getValueAddedTaxRatio',
-            'acquisition_depends'       : None,
-            'mode'        : 'w' },
-        {   'id'          : 'value_added_tax_recoverable',
-            'description' : 'Defines recoverability of the VAT',
-            'type'        : 'boolean',
-            'acquisition_base_category' : ('parent',),
-            'acquisition_portal_type'   : Expression('python: portal.getPortalInvoiceTypeList() + portal.getPortalInvoiceMovementTypeList()'),
-            'acquisition_copy_value'    : 0,
-            'acquisition_mask_value'    : 1,
-            'acquisition_sync_value'    : 0,
-            'acquisition_accessor_id'   : 'isValueAddedTaxRecoverable',
-            'acquisition_depends'       : None,
-            'mode'        : 'w' },
-    )
-