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 521e2de..304ff2e 100644
--- a/golem_activity_session_registration/models/golem_activity_session_registration.py
+++ b/golem_activity_session_registration/models/golem_activity_session_registration.py
@@ -84,7 +84,3 @@ class GolemActivitySessionRegistration(models.Model):
         """ Compute default season """
         domain = [('is_default', '=', True)]
         self.season_default_id = self.env['golem.season'].search(domain).id
-        # if 'default_season_id' not in self.env.context:
-        #     ctx = self.env.context.copy()
-        #     ctx.update({'default_season_id': self._default_season()})
-        #     self.with_context(ctx)
diff --git a/golem_activity_session_registration/views/golem_activity_view.xml b/golem_activity_session_registration/views/golem_activity_view.xml
index f62e8bb..a86861f 100644
--- a/golem_activity_session_registration/views/golem_activity_view.xml
+++ b/golem_activity_session_registration/views/golem_activity_view.xml
@@ -31,7 +31,17 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
           <page string="Members">
             <group>
               <field name="places_remain" readonly="True" />
-              <field name="activity_session_registration_ids" />
+              <field name="activity_session_registration_ids"
+                context="{'default_session_id': active_id}">
+                <tree editable="top">
+                <field name="season_default_id" invisible="1" />
+                  <field name="member_id"
+                    domain="[('season_ids', '=', season_default_id)]" />
+                  <field name="session_id" readonly="1" />
+                  <field name="season_id" readonly="1" />
+                  <field name="invoice_id" readonly="1" />
+                </tree>
+              </field>
             </group>
           </page>
         </page>