diff --git a/xCAT-server/lib/xcat/plugins/anaconda.pm b/xCAT-server/lib/xcat/plugins/anaconda.pm
index c49db5658..325f4666b 100755
--- a/xCAT-server/lib/xcat/plugins/anaconda.pm
+++ b/xCAT-server/lib/xcat/plugins/anaconda.pm
@@ -2091,92 +2091,6 @@ sub copycd
             $distname =$xCAT::data::discinfo::distnames{$did};
         }
     }
-    elsif ($desc =~ /^Oracle Linux (\d)\.(\d)/)
-    {
-        unless ($distname)
-        {
-            $distname = "ol$1.$2";
-        }
-    }
-    elsif ($desc =~ /^RHEL-(\d)\.(\d) ([^.]*)\./) {
-        my $edition = "";
-        my $version = "$1.$2";
-        my %editionmap = (
-            "Server" => "s",
-            );
-        $edition = $editionmap{$3};
-        unless ($distname)
-        {
-            $distname = "rhel$edition$version";
-        }
-    }
-    elsif ($desc =~ /^Red Hat Enterprise Linux (\d)\.(\d)/)
-    {
-	my $edition;
-	my $version = "$1.$2";
-	if (-d "$mntpath/Server") {
-		$edition = "s";
-	} elsif (-d "$mntpath/Client") {
-		$edition = "c";
-	} elsif (-d "$mntpath/Workstation") {
-		$edition = "w";
-	} elsif (-d "$mntpath/ComputeNode") {
-		$edition = "cn";
-	}
-        unless ($distname)
-        {
-            $distname = "rhel$edition$version";
-        }
-    }
-    elsif ($desc =~ /^Final$/)
-    {
-        unless ($distname)
-        {
-            $distname = "centos5";
-        }
-    }
-    elsif ($desc =~ /^Fedora 8$/)
-    {
-        unless ($distname)
-        {
-            $distname = "fedora8";
-        }
-    }
-    elsif ($desc =~ /^CentOS-4 .*/)
-    {
-        unless ($distname)
-        {
-            $distname = "centos4";
-        }
-    }
-    elsif ($desc =~ /^Red Hat Enterprise Linux Client 5$/)
-    {
-        unless ($distname)
-        {
-            $distname = "rhelc5";
-        }
-    }
-    elsif ($desc =~ /^Red Hat Enterprise Linux Server 5$/)
-    {
-        unless ($distname)
-        {
-            $distname = "rhels5";
-        }
-    }
-    elsif ($desc =~ /^Scientific Linux (\d)\.(\d)/)
-    {
-        unless ($distname)
-        {
-            $distname = "SL$1.$2";
-        }
-    }
-    elsif ($desc =~ /^LTS$/)
-    {
-        unless ($distname)
-        {
-            $distname = "SL5";
-        }
-    }
 
 
     unless ($distname)