diff --git a/lib/test-driver/Machine.pm b/lib/test-driver/Machine.pm
index c7da5b1ecad6..77ff17342475 100644
--- a/lib/test-driver/Machine.pm
+++ b/lib/test-driver/Machine.pm
@@ -28,7 +28,7 @@ sub new {
     if (!$startCommand) {
         # !!! merge with qemu-vm.nix.
         $startCommand =
-            "qemu-system-x86_64 -m 384 -no-kvm-irqchip " .
+            "qemu-system-x86_64 -m 384 " .
             "-net nic,model=virtio -net user \$QEMU_OPTS ";
         $startCommand .= "-drive file=" . Cwd::abs_path($args->{hda}) . ",if=virtio,boot=on,werror=report "
             if defined $args->{hda};