diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 02a4c8c..6cc2c03 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -20,10 +20,6 @@
 
 if RTC_CLASS
 
-if GEN_RTC || RTC
-comment "Conflicting RTC option has been selected, check GEN_RTC and RTC"
-endif
-
 config RTC_HCTOSYS
 	bool "Set system time from RTC on startup and resume"
 	depends on RTC_CLASS = y
@@ -304,6 +300,7 @@
 config RTC_DRV_CMOS
 	tristate "PC-style 'CMOS'"
 	depends on X86 || ALPHA || ARM || M32R || ATARI || PPC || MIPS
+	default y if X86
 	help
 	  Say "yes" here to get direct support for the real time clock
 	  found in every PC or ACPI-based system, and some other boards.