diff --git a/drivers/staging/unisys/Kconfig b/drivers/staging/unisys/Kconfig
index f3c92a5616ea..4d190389aa6c 100644
--- a/drivers/staging/unisys/Kconfig
+++ b/drivers/staging/unisys/Kconfig
@@ -3,8 +3,6 @@
 #
 menuconfig UNISYSSPAR
 	bool "Unisys SPAR driver support"
-	depends on X86_64
-	depends on ACPI
 	---help---
 	Support for the Unisys SPAR drivers
 
diff --git a/drivers/staging/unisys/visorbus/Kconfig b/drivers/staging/unisys/visorbus/Kconfig
index 511388075ffa..3866804ed918 100644
--- a/drivers/staging/unisys/visorbus/Kconfig
+++ b/drivers/staging/unisys/visorbus/Kconfig
@@ -5,6 +5,7 @@
 config UNISYS_VISORBUS
 	tristate "Unisys visorbus driver"
 	depends on UNISYSSPAR
+	depends on X86_64 && ACPI
 	---help---
 	The visorbus driver is a virtualized bus for the Unisys s-Par firmware.
 	Virtualized devices allow Linux guests on a system to share disks and