diff -Nur --no-dereference smeserver-yum-2.6.0.old/root/etc/e-smith/db/yum_repositories/migrate/45CentOSEOL smeserver-yum-2.6.0/root/etc/e-smith/db/yum_repositories/migrate/45CentOSEOL
--- smeserver-yum-2.6.0.old/root/etc/e-smith/db/yum_repositories/migrate/45CentOSEOL	2021-03-21 02:05:05.155000000 -0400
+++ smeserver-yum-2.6.0/root/etc/e-smith/db/yum_repositories/migrate/45CentOSEOL	2021-03-21 02:05:36.595000000 -0400
@@ -1,6 +1,20 @@
 {
     use POSIX qw(strftime);
     use File::Slurp;
+
+    # we need to remove that from migrated server 
+    for my $name ( qw(base updates centosplus extras fasttrack centos-sclo-rh centos-sclo-centos) )
+    {
+	my $repo = $DB->get($name) or next;
+	my $baseurl = $repo->prop('BaseURL') or next;
+	my $mirrorlist = $repo->prop('MirrorList') or next;
+	if ( $baseurl =~ /^http:\/\/vault\.centos\.org\/[5-6]/ )
+	{
+            $repo->delete_prop('MirrorList');
+            $repo->delete_prop('BaseURL');
+            unlink "/var/cache/yum/$name/$_" foreach qw(repomd.xml mirrorlist.txt);
+	}
+    }
     #get CentOS release we are
     my $SUBVER = read_file('/etc/centos-release');
     $SUBVER =~ s/^CentOS Linux release ([0-9\.]+).*?$/$1/;