diff --git a/arch/x86/soc/intel_quark/quark_d2000/Kconfig.defconfig.series b/arch/x86/soc/intel_quark/quark_d2000/Kconfig.defconfig.series
index 8f232bdabd2..eef7c4ecedc 100644
--- a/arch/x86/soc/intel_quark/quark_d2000/Kconfig.defconfig.series
+++ b/arch/x86/soc/intel_quark/quark_d2000/Kconfig.defconfig.series
@@ -169,4 +169,7 @@ config SOC_FLASH_QMSI_SYS_SIZE
 	default 0x8000
 endif # SOC_FLASH_QMSI
 
+
+source "arch/x86/soc/intel_quark/quark_d2000/Kconfig.defconfig.quark_d2000"
+
 endif # SOC_SERIES_QUARK_D2000
diff --git a/arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.series b/arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.series
index 951c2e3aa87..9fe2d0b2812 100644
--- a/arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.series
+++ b/arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.series
@@ -282,4 +282,5 @@ config BLUETOOTH_UART_ON_DEV_NAME
 
 endif
 
+source "arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.quark_x1000"
 endif # SOC_SERIES_QUARK_X1000