diff --git a/address.py b/address.py
index 8714bcfa45..edce573fe4 100644
--- a/address.py
+++ b/address.py
@@ -7,8 +7,9 @@ from sql import Null
 from sql.conditionals import Case, Coalesce
 from sql.operators import Concat
 
-from trytond.model import ModelView, ModelSQL, MatchMixin, fields, \
-    sequence_ordered
+from trytond.model import (
+    ModelView, ModelSQL, MatchMixin, DeactivableMixin, fields,
+    sequence_ordered)
 from trytond.pyson import Eval, If
 from trytond import backend
 from trytond.pool import Pool
@@ -23,7 +24,7 @@ STATES = {
 DEPENDS = ['active']
 
 
-class Address(sequence_ordered(), ModelSQL, ModelView):
+class Address(DeactivableMixin, sequence_ordered(), ModelSQL, ModelView):
     "Address"
     __name__ = 'party.address'
     party = fields.Many2One('party.party', 'Party', required=True,
@@ -43,8 +44,6 @@ class Address(sequence_ordered(), ModelSQL, ModelView):
             ('parent', '=', None),
             ],
         states=STATES, depends=['active', 'country'])
-    active = fields.Boolean('Active',
-        help="Uncheck to exclude the address from future use.")
     full_address = fields.Function(fields.Text('Full Address'),
             'get_full_address')
 
@@ -78,10 +77,6 @@ class Address(sequence_ordered(), ModelSQL, ModelView):
                     [value]))
             table.drop_column('streetbis')
 
-    @staticmethod
-    def default_active():
-        return True
-
     _autocomplete_limit = 100
 
     def _autocomplete_domain(self):
@@ -209,13 +204,11 @@ class Address(sequence_ordered(), ModelSQL, ModelView):
             self.subdivision = None
 
 
-class AddressFormat(MatchMixin, ModelSQL, ModelView):
+class AddressFormat(DeactivableMixin, MatchMixin, ModelSQL, ModelView):
     "Address Format"
     __name__ = 'party.address.format'
     country = fields.Many2One('country.country', "Country")
     language = fields.Many2One('ir.lang', "Language")
-    active = fields.Boolean("Active",
-        help="Uncheck to exclude the format from future use.")
     format_ = fields.Text("Format", required=True,
         help="Available variables (also in upper case):\n"
         "- ${party_name}\n"
@@ -240,10 +233,6 @@ class AddressFormat(MatchMixin, ModelSQL, ModelView):
                     'with exception "%(exception)s".'),
                 })
 
-    @classmethod
-    def default_active(cls):
-        return True
-
     @classmethod
     def default_format_(cls):
         return """${party_name}
diff --git a/category.py b/category.py
index 0f6acc1836..b31db88f4d 100644
--- a/category.py
+++ b/category.py
@@ -4,7 +4,8 @@ from sql.conditionals import Coalesce
 from sql.operators import Equal
 
 from trytond import backend
-from trytond.model import ModelView, ModelSQL, fields, Exclude
+from trytond.model import (
+    ModelView, ModelSQL, DeactivableMixin, fields, Exclude)
 from trytond.pyson import Eval
 
 __all__ = ['Category']
@@ -17,7 +18,7 @@ DEPENDS = ['active']
 SEPARATOR = ' / '
 
 
-class Category(ModelSQL, ModelView):
+class Category(DeactivableMixin, ModelSQL, ModelView):
     "Category"
     __name__ = 'party.category'
     name = fields.Char('Name', required=True, states=STATES, translate=True,
@@ -29,8 +30,6 @@ class Category(ModelSQL, ModelView):
     childs = fields.One2Many('party.category', 'parent',
        'Children', states=STATES, depends=DEPENDS,
         help="Add children below the category.")
-    active = fields.Boolean('Active',
-        help="Uncheck to exclude the category from future use.")
 
     @classmethod
     def __setup__(cls):
@@ -57,10 +56,6 @@ class Category(ModelSQL, ModelView):
         # Migration from 4.6: replace unique by exclude
         table_h.drop_constraint('name_parent_uniq')
 
-    @staticmethod
-    def default_active():
-        return True
-
     @classmethod
     def validate(cls, categories):
         super(Category, cls).validate(categories)
diff --git a/contact_mechanism.py b/contact_mechanism.py
index 3d62bb4f5b..32b7efe72e 100644
--- a/contact_mechanism.py
+++ b/contact_mechanism.py
@@ -6,7 +6,8 @@ try:
 except ImportError:
     phonenumbers = None
 
-from trytond.model import ModelView, ModelSQL, fields, sequence_ordered
+from trytond.model import (
+    ModelView, ModelSQL, DeactivableMixin, fields, sequence_ordered)
 from trytond.pyson import Eval
 from trytond import backend
 
@@ -37,7 +38,8 @@ _PHONE_TYPES = {
     }
 
 
-class ContactMechanism(sequence_ordered(), ModelSQL, ModelView):
+class ContactMechanism(
+        DeactivableMixin, sequence_ordered(), ModelSQL, ModelView):
     "Contact Mechanism"
     __name__ = 'party.contact_mechanism'
     _rec_name = 'value'
@@ -52,8 +54,6 @@ class ContactMechanism(sequence_ordered(), ModelSQL, ModelView):
     comment = fields.Text('Comment', states=STATES, depends=DEPENDS)
     party = fields.Many2One('party.party', 'Party', required=True,
         ondelete='CASCADE', states=STATES, select=True, depends=DEPENDS)
-    active = fields.Boolean('Active', select=True,
-        help="Uncheck to exclude the contact mechanism from future use.")
     email = fields.Function(fields.Char('E-Mail', states={
         'invisible': Eval('type') != 'email',
         'required': Eval('type') == 'email',
@@ -116,10 +116,6 @@ class ContactMechanism(sequence_ordered(), ModelSQL, ModelView):
     def default_type():
         return 'phone'
 
-    @staticmethod
-    def default_active():
-        return True
-
     @classmethod
     def get_value(cls, mechanisms, names):
         return dict((name, dict((m.id, m.value) for m in mechanisms))
diff --git a/party.py b/party.py
index c667e49bb5..490ce79b7e 100644
--- a/party.py
+++ b/party.py
@@ -6,7 +6,7 @@ from sql import Null, Column, Cast, Literal
 from sql.functions import CharLength, Substring, Position
 
 from trytond.model import (ModelView, ModelSQL, MultiValueMixin, ValueMixin,
-    fields, Unique, sequence_ordered)
+    DeactivableMixin, fields, Unique, sequence_ordered)
 from trytond.wizard import Wizard, StateTransition, StateView, Button
 from trytond.pyson import Eval, Bool
 from trytond.transaction import Transaction
@@ -26,7 +26,7 @@ STATES = {
 DEPENDS = ['active']
 
 
-class Party(ModelSQL, ModelView, MultiValueMixin):
+class Party(DeactivableMixin, ModelSQL, ModelView, MultiValueMixin):
     "Party"
     __name__ = 'party.party'
 
@@ -59,11 +59,6 @@ class Party(ModelSQL, ModelView, MultiValueMixin):
     categories = fields.Many2Many('party.party-party.category',
         'party', 'category', 'Categories', states=STATES, depends=DEPENDS,
         help="The categories the party belongs to.")
-    active = fields.Boolean('Active', select=True, states={
-            'readonly': Bool(Eval('replaced_by')),
-            },
-        depends=['replaced_by'],
-        help="Uncheck to exclude the party from future use.")
     replaced_by = fields.Many2One('party.party', "Replaced By", readonly=True,
         states={
             'invisible': ~Eval('replaced_by'),
@@ -85,6 +80,10 @@ class Party(ModelSQL, ModelView, MultiValueMixin):
              'The code of the party must be unique.')
         ]
         cls._order.insert(0, ('name', 'ASC'))
+        cls.active.states.update({
+                'readonly': Bool(Eval('replaced_by')),
+                })
+        cls.active.depends.append('replaced_by')
 
     @classmethod
     def __register__(cls, module_name):
@@ -102,10 +101,6 @@ class Party(ModelSQL, ModelView, MultiValueMixin):
         table, _ = tables[None]
         return [CharLength(table.code), table.code]
 
-    @staticmethod
-    def default_active():
-        return True
-
     @staticmethod
     def default_categories():
         return Transaction().context.get('categories', [])
diff --git a/view/address_format_list.xml b/view/address_format_list.xml
index 101a6c5880..2919fd3715 100644
--- a/view/address_format_list.xml
+++ b/view/address_format_list.xml
@@ -2,5 +2,4 @@
 <tree>
     <field name="country"/>
     <field name="language"/>
-    <field name="active" tree_invisible="1"/>
 </tree>
diff --git a/view/category_list.xml b/view/category_list.xml
index a7e643066b..8470f20573 100644
--- a/view/category_list.xml
+++ b/view/category_list.xml
@@ -3,5 +3,4 @@
 this repository contains the full copyright notices and license terms. -->
 <tree>
     <field name="rec_name" expand="1"/>
-    <field name="active" tree_invisible="1"/>
 </tree>
diff --git a/view/category_tree.xml b/view/category_tree.xml
index 6215ea3a27..e963d4392e 100644
--- a/view/category_tree.xml
+++ b/view/category_tree.xml
@@ -5,5 +5,4 @@ this repository contains the full copyright notices and license terms. -->
     <field name="name" expand="1"/>
     <field name="parent" tree_invisible="1"/>
     <field name="childs" tree_invisible="1"/>
-    <field name="active" tree_invisible="1"/>
 </tree>
diff --git a/view/party_tree.xml b/view/party_tree.xml
index 2e40d7003a..f7a3ff6b4b 100644
--- a/view/party_tree.xml
+++ b/view/party_tree.xml
@@ -6,5 +6,4 @@ this repository contains the full copyright notices and license terms. -->
     <field name="name"/>
     <field name="lang"/>
     <field name="tax_identifier"/>
-    <field name="active" tree_invisible="1"/>
 </tree>