diff --git a/odex25_base/system_dashboard_classic/i18n/ar_001.po b/odex25_base/system_dashboard_classic/i18n/ar_001.po
index af9b94f78..db63462a9 100644
--- a/odex25_base/system_dashboard_classic/i18n/ar_001.po
+++ b/odex25_base/system_dashboard_classic/i18n/ar_001.po
@@ -428,3 +428,8 @@ msgstr ""
 #: model:ir.model.fields,field_description:system_dashboard_classic.field_stage_stage__value
 msgid "value"
 msgstr "القيمة"
+
+#. module: system_dashboard_classic
+#: model_terms:ir.ui.view,arch_db:system_dashboard_classic.view_base_dashboard_form
+msgid "Unlink Nodes"
+msgstr "حذف المراحل"
\ No newline at end of file
diff --git a/odex25_base/system_dashboard_classic/models/config.py b/odex25_base/system_dashboard_classic/models/config.py
index dada504f4..c3ce8935e 100644
--- a/odex25_base/system_dashboard_classic/models/config.py
+++ b/odex25_base/system_dashboard_classic/models/config.py
@@ -74,6 +74,18 @@ class BaseDashboard(models.Model):
     relation = fields.Char(
         string='action_domain',
     )
+
+    def unlink_nodes(self):
+        for rec in self:
+            rec.is_button = False
+            nodes = self.env['node.state'].sudo().search([('model_id', '=', rec.model_id.id),('is_workflow', '=', False)])
+            nodes.sudo().unlink()
+
+    def unlink(self):
+        for rec in self:
+            rec.unlink_nodes()
+        return super(BaseDashboard, self).unlink()
+
     
     @api.constrains('action_id')
     def _check_action_id(self):
@@ -244,7 +256,7 @@ class BaseDashboard(models.Model):
                                 stage = self.env['node.state'].create({'model_id':rec.model_id.id , 'form_view_id':rec.form_view_id.id , 'list_view_id':rec.list_view_id.id , 'action_id':rec.action_id.id,'stage_id':rel.id ,'name':rel.name,'is_holiday_workflow':True})
 
                 else:
-                    self.update_selection()            
+                    self.update_selection()
             
             if 'state' in model._fields and rec.model_name != 'hr.holidays' :
                 if not current_model:
@@ -281,7 +293,8 @@ class BaseDashboardUser(models.Model):
     )
     board_id = fields.Many2one(
         string='Bord',
-        comodel_name='base.dashbord'
+        comodel_name='base.dashbord',
+        ondelete = 'cascade'
 
     )
     state_id = fields.Many2one(
diff --git a/odex25_base/system_dashboard_classic/views/config.xml b/odex25_base/system_dashboard_classic/views/config.xml
index c5c778332..5f25d5dcc 100644
--- a/odex25_base/system_dashboard_classic/views/config.xml
+++ b/odex25_base/system_dashboard_classic/views/config.xml
@@ -31,7 +31,11 @@
 
                         <page name="Apply TO" string="Apply TO">
                             <button name="compute_selection" string="Load Model State" type="object" class="oe_highlight" attrs="{'invisible': [('is_button', '=', True)]}"/>
-                            <button name="update_selection"  string="Updtae Model State" type="object" class="oe_highlight" attrs="{'invisible': [('is_button', '=', False)]}"/>
+                            <div>
+                            <button name="update_selection"  string="Updtae Model State" type="object" class="oe_highlight oe_inline" attrs="{'invisible': [('is_button', '=', False)]}"/>
+                            <span style="margin-left: 10px;"/>
+                            <button name="unlink_nodes"  string="Unlink Nodes" type="object" class="btn btn-danger oe_inline" attrs="{'invisible': [('is_button', '=', False)]}"/>
+                            </div>
                             <field name="line_ids" attrs="{'invisible': [('is_button', '=', False)]}" context="{'default_model_name':model_name,'default_model_id':model_id}">
                                 <tree editable="bottom">
                                     <field name="sequence" widget="handle" />