diff --git a/beesdoo_shift_attendance/data/system_parameter.xml b/beesdoo_shift_attendance/data/system_parameter.xml
index 407f972..0ab07e6 100644
--- a/beesdoo_shift_attendance/data/system_parameter.xml
+++ b/beesdoo_shift_attendance/data/system_parameter.xml
@@ -1,10 +1,13 @@
-<odoo noupdate="1">
-    <record id="card_support" model="ir.config_parameter">
-        <field name="key">beesdoo_shift_attendance.card_support</field>
-        <field name="value">False</field>
-    </record>
-    <record id="attendance_sheet_generation_interval" model="ir.config_parameter">
-        <field name="key">beesdoo_shift_attendance.attendance_sheet_generation_interval</field>
-        <field name="value">15</field>
-    </record>
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="1">
+        <record id="card_support" model="ir.config_parameter">
+            <field name="key">beesdoo_shift_attendance.card_support</field>
+            <field name="value">False</field>
+        </record>
+        <record id="attendance_sheet_generation_interval" model="ir.config_parameter">
+            <field name="key">beesdoo_shift_attendance.attendance_sheet_generation_interval</field>
+            <field name="value">15</field>
+        </record>
+    </data>
 </odoo>
diff --git a/beesdoo_shift_attendance/models/res_config_settings.py b/beesdoo_shift_attendance/models/res_config_settings.py
index e2d689c..ca426ab 100644
--- a/beesdoo_shift_attendance/models/res_config_settings.py
+++ b/beesdoo_shift_attendance/models/res_config_settings.py
@@ -33,27 +33,15 @@ class ResConfigSettings(models.TransientModel):
     def set_values(self):
         super(ResConfigSettings, self).set_values()
         parameters = self.env["ir.config_parameter"].sudo()
-        parameters.set_param(
-            "beesdoo_shift_attendance.card_support", str(self.card_support),
-        )
         parameters.set_param(
             "beesdoo_shift_attendance.pre_filled_task_type_id",
             str(self.pre_filled_task_type_id.id),
         )
-        parameters.set_param(
-            "beesdoo_shift_attendance.attendance_sheet_generation_interval",
-            str(self.attendance_sheet_generation_interval),
-        )
 
     @api.multi
     def get_values(self):
         res = super(ResConfigSettings, self).get_values()
         res.update(
-            card_support=ast.literal_eval(
-                self.env["ir.config_parameter"].get_param(
-                    "beesdoo_shift_attendance.card_support"
-                ),
-            ),
             pre_filled_task_type_id=int(
                 self.env["ir.config_parameter"].get_param(
                     "beesdoo_shift_attendance.pre_filled_task_type_id"