diff --git a/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.mkl25z4 b/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.mkl25z4
index 0138ac5469d..22b9a69e274 100644
--- a/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.mkl25z4
+++ b/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.mkl25z4
@@ -11,18 +11,10 @@ config SOC
 	string
 	default mkl25z4
 
-if !HAS_DTS
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 2
-
 config NUM_IRQS
 	int
 	default 32
 
-endif # !HAS_DTS
-
 if PINMUX
 
 config PINMUX_MCUX
diff --git a/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.series b/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.series
index 527d8a23b2b..c594854fd28 100644
--- a/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.series
+++ b/arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.series
@@ -10,16 +10,6 @@ if SOC_SERIES_KINETIS_KL2X
 config SOC_SERIES
 	default kl2x
 
-if !HAS_DTS
-
-config SRAM_BASE_ADDRESS
-	default 0x1FFFF000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-endif # !HAS_DTS
-
 source "arch/arm/soc/nxp_kinetis/kl2x/Kconfig.defconfig.mk*"
 
 endif # SOC_SERIES_KINETIS_KL2X