diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 9f44b0853..4c9bc8ebf 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -2331,10 +2331,6 @@ push(@{$defspec{node}->{'attrs'}}, @nodeattrs);
                  tabentry => 'osimage.postbootscripts',
                  access_tabentry => 'osimage.imagename=attr:imagename',
                  },
- {attr_name => 'osdistroupdates',
-                 tabentry => 'osimage.osdistroupdates',
-                 access_tabentry => 'osimage.imagename=attr:imagename',
-                 },
  {attr_name => 'serverrole',
                  tabentry => 'osimage.serverrole',
                  access_tabentry => 'osimage.imagename=attr:imagename',