diff --git a/xCAT-server/share/xcat/netboot/sles/genimage b/xCAT-server/share/xcat/netboot/sles/genimage
index 5f7f528a8..5e241ea7d 100755
--- a/xCAT-server/share/xcat/netboot/sles/genimage
+++ b/xCAT-server/share/xcat/netboot/sles/genimage
@@ -255,12 +255,6 @@ unless ($onlyinitrd) {
     my $non_interactive;
     if (!$prompt) { $non_interactive = "--non-interactive --no-gpg-checks --gpg-auto-import-keys"; }
 
-    my $zypper_cmd = "zypper";
-    if (! -x $zypper_cmd) {
-        print "Can not execute $zypper_cmd command. Make sure you are running on SUSE based system";
-        exit 1;
-    }
-
     if ($osver_host >= 11) {                      #zypper in SLES11 is different
 
         system("rm -rf $rootimg_dir/etc/zypp/repos.d/$osver-*.repo");
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/genimage b/xCAT-server/share/xcat/netboot/ubuntu/genimage
index e8f490bd8..3bf94808f 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/genimage
+++ b/xCAT-server/share/xcat/netboot/ubuntu/genimage
@@ -333,10 +333,6 @@ unless ($onlyinitrd) {
         }
     }
 
-    if (! -x $aptcmd1) {
-        print "Error: Can not execute $aptcmd1 command. Make sure you are running on a Debian based system.\n";
-        exit 1;
-    }
     print "Run cmd [$aptcmd1 $aptcmd2] to create rootimage bootstraps\n";
     my $rc = system("$aptcmd1 $aptcmd2");
     if ($rc) {