diff --git a/golem_activity_session_registration/i18n/fr.po b/golem_activity_session_registration/i18n/fr.po
index 0dff78c..4a3114d 100644
--- a/golem_activity_session_registration/i18n/fr.po
+++ b/golem_activity_session_registration/i18n/fr.po
@@ -6,8 +6,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Odoo Server 8.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-09-22 11:49+0000\n"
-"PO-Revision-Date: 2016-09-22 11:49+0000\n"
+"POT-Creation-Date: 2016-10-10 09:08+0000\n"
+"PO-Revision-Date: 2016-10-10 09:08+0000\n"
 "Last-Translator: <>\n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -17,7 +17,7 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 
 #. module: golem_activity_session_registration
-#: view:golem.member:golem_activity_session_registration.sessions_inscription
+#: view:golem.member:golem_activity_session_registration.sessions_registration
 #: field:golem.member,activity_session_registration_ids:0
 msgid "Activities"
 msgstr "Activités"
@@ -48,7 +48,7 @@ msgid "Default season"
 msgstr "Saison par défaut"
 
 #. module: golem_activity_session_registration
-#: view:golem.member:golem_activity_session_registration.sessions_inscription
+#: view:golem.member:golem_activity_session_registration.sessions_registration
 msgid "Default season activities"
 msgstr "Activités de la saison affichée par défaut"
 
@@ -112,6 +112,16 @@ msgstr "Dernière mise à jour par"
 msgid "Last Updated on"
 msgstr "Mis à jour pour la dernière fois le"
 
+#. module: golem_activity_session_registration
+#: sql_constraint:golem.activity.session.registration:0
+msgid "Le membre a déjà été inscrit à cette séance."
+msgstr "Le membre a déjà été inscrit à cette séance."
+
+#. module: golem_activity_session_registration
+#: sql_constraint:golem.activity.session:0
+msgid "Le nombre de places ne peut pas être négatif"
+msgstr "Le nombre de places ne peut pas être négatif"
+
 #. module: golem_activity_session_registration
 #: field:golem.activity.session.registration,member_id:0
 msgid "Member"
@@ -125,7 +135,6 @@ msgstr "Adhérents"
 
 #. module: golem_activity_session_registration
 #: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:32
-#: sql_constraint:golem.activity.session:0
 #, python-format
 msgid "Number of places cannot be negative."
 msgstr "Le nombre de places ne peut pas être négatif"
@@ -177,14 +186,13 @@ msgid "Subscription"
 msgstr "Inscription"
 
 #. module: golem_activity_session_registration
-#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:91
+#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:90
 #, python-format
 msgid "Subscription can not be executed : the targeted member is not on the same season as the session."
 msgstr "L'inscription n'a pas pu être enregistrée : le membre visé n'est pas ahdérant pour la même saison que celle pendant laquelle se déroule la séance."
 
 #. module: golem_activity_session_registration
-#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:83
-#: sql_constraint:golem.activity.session.registration:0
+#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:82
 #, python-format
 msgid "This member has already been registered for this session."
 msgstr "Le membre a déjà été inscrit à cette séance."
diff --git a/golem_activity_session_registration/i18n/golem_activity_session_registration.pot b/golem_activity_session_registration/i18n/golem_activity_session_registration.pot
index 3352fe1..2cf5dfc 100644
--- a/golem_activity_session_registration/i18n/golem_activity_session_registration.pot
+++ b/golem_activity_session_registration/i18n/golem_activity_session_registration.pot
@@ -6,8 +6,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Odoo Server 8.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-09-22 11:49+0000\n"
-"PO-Revision-Date: 2016-09-22 11:49+0000\n"
+"POT-Creation-Date: 2016-10-10 09:08+0000\n"
+"PO-Revision-Date: 2016-10-10 09:08+0000\n"
 "Last-Translator: <>\n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -16,7 +16,7 @@ msgstr ""
 "Plural-Forms: \n"
 
 #. module: golem_activity_session_registration
-#: view:golem.member:golem_activity_session_registration.sessions_inscription
+#: view:golem.member:golem_activity_session_registration.sessions_registration
 #: field:golem.member,activity_session_registration_ids:0
 msgid "Activities"
 msgstr ""
@@ -47,7 +47,7 @@ msgid "Default season"
 msgstr ""
 
 #. module: golem_activity_session_registration
-#: view:golem.member:golem_activity_session_registration.sessions_inscription
+#: view:golem.member:golem_activity_session_registration.sessions_registration
 msgid "Default season activities"
 msgstr ""
 
@@ -111,6 +111,16 @@ msgstr ""
 msgid "Last Updated on"
 msgstr ""
 
+#. module: golem_activity_session_registration
+#: sql_constraint:golem.activity.session.registration:0
+msgid "Le membre a déjà été inscrit à cette séance."
+msgstr ""
+
+#. module: golem_activity_session_registration
+#: sql_constraint:golem.activity.session:0
+msgid "Le nombre de places ne peut pas être négatif"
+msgstr ""
+
 #. module: golem_activity_session_registration
 #: field:golem.activity.session.registration,member_id:0
 msgid "Member"
@@ -124,7 +134,6 @@ msgstr ""
 
 #. module: golem_activity_session_registration
 #: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:32
-#: sql_constraint:golem.activity.session:0
 #, python-format
 msgid "Number of places cannot be negative."
 msgstr ""
@@ -176,14 +185,13 @@ msgid "Subscription"
 msgstr ""
 
 #. module: golem_activity_session_registration
-#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:91
+#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:90
 #, python-format
 msgid "Subscription can not be executed : the targeted member is not on the same season as the session."
 msgstr ""
 
 #. module: golem_activity_session_registration
-#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:83
-#: sql_constraint:golem.activity.session.registration:0
+#: code:addons/golem_activity_session_registration/models/golem_activity_session_registration.py:82
 #, python-format
 msgid "This member has already been registered for this session."
 msgstr ""
diff --git a/golem_activity_session_registration/models/golem_activity_session_registration.py b/golem_activity_session_registration/models/golem_activity_session_registration.py
index 2525a90..ff931f5 100644
--- a/golem_activity_session_registration/models/golem_activity_session_registration.py
+++ b/golem_activity_session_registration/models/golem_activity_session_registration.py
@@ -23,45 +23,6 @@ class GolemMember(models.Model):
 
     activity_session_registration_ids = fields.One2many(
         'golem.activity.session.registration', 'member_id', 'Activities')
-    has_draft_registrations = fields.Boolean(
-        'Has draft registrations ?',
-        compute='_compute_has_draft_registrations')
-
-    @api.one
-    @api.depends('activity_session_registration_ids')
-    def _compute_has_draft_registrations(self):
-        """ Check if there are draft states in member activities """
-        for r in self.activity_session_registration_ids:
-            if r.state == 'draft':
-                self.has_draft_registrations = True
-                return
-        self.has_draft_registrations = False
-
-    @api.one
-    def do_validate_registrations(self):
-        """ Validate all draft registrations """
-        draft_registrations = self.activity_session_registration_ids.filtered(
-            lambda r: r.state == 'draft')
-        draft_registrations.write({'state': 'confirmed'})
-
-    @api.multi
-    def write(self, values):
-        """ Handle removed activities to be canceled """
-        if 'activity_session_registration_ids' in values:
-            rids = values['activity_session_registration_ids']
-            r_keep, r_removed = [], []
-            for r in rids:  # == 2 is removal case
-                r_removed.append(r) if r[0] == 2 else r_keep.append(r)
-            rObj = self.env['golem.activity.session.registration']
-            for rem in r_removed:
-                r = rObj.browse([rem[1]])
-                # if already canceled, let it be removed, else cancel it
-                if r.state != 'canceled':
-                    r.state = 'canceled'
-                else:
-                    r_keep.append(rem)
-            values['activity_session_registration_ids'] = r_keep
-        return super(GolemMember, self).write(values)
 
 
 class GolemActivitySession(models.Model):
@@ -78,8 +39,7 @@ class GolemActivitySession(models.Model):
     @api.one
     @api.depends('activity_session_registration_ids')
     def _compute_places_used(self):
-        rids = self.activity_session_registration_ids
-        self.places_used = len(rids.filtered(lambda r: r.state == 'confirmed'))
+        self.places_used = len(self.activity_session_registration_ids)
 
     places = fields.Integer('Places', default=20)
     places_remain = fields.Integer('Remaining places', store=True,
@@ -103,9 +63,6 @@ class GolemActivitySessionRegistration(models.Model):
     _name = 'golem.activity.session.registration'
     _description = 'GOLEM Activity Session Registration'
 
-    state = fields.Selection([('draft', 'Draft'), ('confirmed', 'Confirmed'),
-                              ('canceled', 'Canceled')], required=True,
-                             default='draft')
     member_id = fields.Many2one('golem.member', string='Member', required=True,
                                 ondelete='cascade')
     session_id = fields.Many2one('golem.activity.session', required=True,
@@ -133,12 +90,3 @@ class GolemActivitySessionRegistration(models.Model):
                 emsg = _('Subscription can not be executed : the targeted '
                          'member is not on the same season as the session.')
                 raise models.ValidationError(emsg)
-
-    @api.multi
-    def write(self, values):
-        """ Recomputes values linked to registrations when state change """
-        res = super(GolemActivitySessionRegistration, self).write(values)
-        if values['state']:
-            for r in self:
-                r.session_id._compute_places_used()
-        return res
diff --git a/golem_activity_session_registration/views/golem_activity_session_registration_view.xml b/golem_activity_session_registration/views/golem_activity_session_registration_view.xml
index e28293e..0c7f581 100644
--- a/golem_activity_session_registration/views/golem_activity_session_registration_view.xml
+++ b/golem_activity_session_registration/views/golem_activity_session_registration_view.xml
@@ -40,9 +40,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
       <field name="name">Session registration list</field>
       <field name="model">golem.activity.session.registration</field>
       <field name="arch" type="xml">
-        <tree create="true" edit="false" delete="false" editable="top"
-          colors="red: state == 'canceled';darkgrey: state == 'draft';">
-          <field name="state" invisible="1" />
+        <tree create="true" edit="false" delete="false" editable="top">
           <field name="season_id" readonly="1" />
           <field name="member_id" domain="[('is_current', '=', True)]" />
           <field name="session_id" domain="[('is_current', '=', True)]" />
diff --git a/golem_activity_session_registration/views/golem_activity_view.xml b/golem_activity_session_registration/views/golem_activity_view.xml
index 5c28578..b82e68b 100644
--- a/golem_activity_session_registration/views/golem_activity_view.xml
+++ b/golem_activity_session_registration/views/golem_activity_view.xml
@@ -33,9 +33,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
               <field name="places_remain" readonly="True" />
               <field name="activity_session_registration_ids"
                 context="{'default_session_id': active_id}">
-                <tree editable="top"
-                  colors="red: state == 'canceled';darkgrey: state == 'draft';">
-                  <field name="state" invisible="1" />
+                <tree editable="top">
                   <field name="member_id"
                     domain="[('season_ids', '=', season_id)]" />
                   <field name="session_id" readonly="1" />
diff --git a/golem_activity_session_registration/views/golem_member_view.xml b/golem_activity_session_registration/views/golem_member_view.xml
index 0acf0bd..7bc21a7 100644
--- a/golem_activity_session_registration/views/golem_member_view.xml
+++ b/golem_activity_session_registration/views/golem_member_view.xml
@@ -19,35 +19,20 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
   <data>
 
     <!-- Form -->
-    <record model="ir.ui.view" id="sessions_inscription">
-      <field name="name">Add sessions inscriptions to member form</field>
+    <record model="ir.ui.view" id="sessions_registration">
+      <field name="name">Add sessions registrations to member form</field>
       <field name="model">golem.member</field>
       <field name="inherit_id" ref="golem_member.view_form" />
       <field name="arch" type="xml">
         <page name="other_page" position="before">
           <page name="sessions" string="Activities">
+            <p name="default_season_label">Default season activities</p>
             <field name="id" invisible="1" />
-            <p>Default season activities</p>
-            <p attrs="{'invisible': [('id', '!=', False)]}" style="color:red;}">
-                Note that you can't register activities if the member is new and not yet saved into the database.
-            </p>
-            <p>
-              <field name="has_draft_registrations" invisible="1" />
-              <button name="do_validate_registrations" type="object"
-                string="Validate all draft registrations"
-                class="oe_highlight"
-                help="If you validate draft registration, they will be seen as confirmed. Then, an invoice will be created for the current member."
-                attrs="{'invisible': [('has_draft_registrations', '=', False)]}" />
-              <!-- TODO : one by one cancelation -->
-              <!-- TODO : do not allow removal if confirmed -->
-            </p>
             <group>
               <field name="activity_session_registration_ids"
                 attrs="{'readonly': [('id', '=', False)]}"
                 context="{'default_member_id': active_id}">
-                <tree editable="top"
-                  colors="red: state == 'canceled';darkgrey: state == 'draft';">
-                  <field name="state" invisible="1" />
+                <tree editable="top">
                   <field name="session_id"
                     domain="[('is_current', '=', True)]" />
                   <field name="season_id" readonly="1" />