diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index db7cf8727e1c..21e01fc632ad 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1576,6 +1576,11 @@ static int xen_cpuhp_setup(void)
 	return rc >= 0 ? 0 : rc;
 }
 
+static void __init xen_domu_set_legacy_features(void)
+{
+	x86_platform.legacy.rtc = 0;
+}
+
 /* First C function to be called on Xen boot */
 asmlinkage __visible void __init xen_start_kernel(void)
 {
@@ -1741,6 +1746,8 @@ asmlinkage __visible void __init xen_start_kernel(void)
 		add_preferred_console("hvc", 0, NULL);
 		if (pci_xen)
 			x86_init.pci.arch_init = pci_xen_init;
+		x86_platform.set_legacy_features =
+				xen_domu_set_legacy_features;
 	} else {
 		const struct dom0_vga_console_info *info =
 			(void *)((char *)xen_start_info +