diff --git a/arch/arc/soc/quark_se_c1000_ss/Kconfig.defconfig b/arch/arc/soc/quark_se_c1000_ss/Kconfig.defconfig
index 6a0227e4f98..6f85456a78f 100644
--- a/arch/arc/soc/quark_se_c1000_ss/Kconfig.defconfig
+++ b/arch/arc/soc/quark_se_c1000_ss/Kconfig.defconfig
@@ -225,8 +225,6 @@ endif
 
 
 if UART_QMSI
-config UART_QMSI_0
-	def_bool y
 
 if UART_QMSI_0
 
diff --git a/arch/x86/soc/intel_quark/quark_se/Kconfig.defconfig.series b/arch/x86/soc/intel_quark/quark_se/Kconfig.defconfig.series
index fcabdef7176..7d96dabce01 100644
--- a/arch/x86/soc/intel_quark/quark_se/Kconfig.defconfig.series
+++ b/arch/x86/soc/intel_quark/quark_se/Kconfig.defconfig.series
@@ -187,8 +187,6 @@ config RTC_0_IRQ_PRI
 endif # RTC
 
 if UART_QMSI
-config UART_QMSI_0
-	def_bool y
 
 if UART_QMSI_0