diff --git a/document_page/models/document_page.py b/document_page/models/document_page.py
index b20ca6a3..b1894d84 100644
--- a/document_page/models/document_page.py
+++ b/document_page/models/document_page.py
@@ -29,7 +29,6 @@ class DocumentPage(models.Model):
     """This class is use to manage Document."""
 
     _name = "document.page"
-    _inherit = ['mail.thread']
     _description = "Document Page"
     _order = 'name'