diff --git a/arch/arm/soc/arm/beetle/Kconfig.defconfig.beetle_r0 b/arch/arm/soc/arm/beetle/Kconfig.defconfig.beetle_r0
index f3e5240a07d..ca734607f76 100644
--- a/arch/arm/soc/arm/beetle/Kconfig.defconfig.beetle_r0
+++ b/arch/arm/soc/arm/beetle/Kconfig.defconfig.beetle_r0
@@ -11,20 +11,4 @@ if SOC_BEETLE_R0
 config SOC
 	default beetle_r0
 
-if !HAS_DTS
-#
-# Beetle R0 has one SRAM bank:
-#   128K @ 0x20000000
-#
-config SRAM_SIZE
-	default 128
-
-#
-# Beetle R0 has 256K@0x0 of flash.
-#
-config FLASH_SIZE
-	default 256
-
-endif # !HAS_DTS
-
 endif # SOC_BEETLE_R0
diff --git a/arch/arm/soc/arm/beetle/Kconfig.defconfig.series b/arch/arm/soc/arm/beetle/Kconfig.defconfig.series
index d32184bec85..735594c7ae9 100644
--- a/arch/arm/soc/arm/beetle/Kconfig.defconfig.series
+++ b/arch/arm/soc/arm/beetle/Kconfig.defconfig.series
@@ -17,20 +17,6 @@ config NUM_IRQS
 	int
 	default 45
 
-if !HAS_DTS
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 3
-
-config SRAM_BASE_ADDRESS
-	default 0x20000000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-endif # !HAS_DTS
-
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	int
 	default 24000000
diff --git a/arch/arm/soc/nxp_kinetis/k6x/Kconfig.defconfig.series b/arch/arm/soc/nxp_kinetis/k6x/Kconfig.defconfig.series
index 29a7e2cc449..d2992c95af0 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/Kconfig.defconfig.series
+++ b/arch/arm/soc/nxp_kinetis/k6x/Kconfig.defconfig.series
@@ -11,20 +11,6 @@ if SOC_SERIES_KINETIS_K6X
 config SOC_SERIES
 	default k6x
 
-if !HAS_DTS
-
-config SRAM_BASE_ADDRESS
-	default 0x20000000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 4
-
-endif # !HAS_DTS
-
 config NUM_IRQS
 	int
 	# must be >= the highest interrupt number used
diff --git a/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.mkw41z4 b/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.mkw41z4
index e03a2d23e41..b7bc09e2427 100644
--- a/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.mkw41z4
+++ b/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.mkw41z4
@@ -11,14 +11,6 @@ config SOC
 	string
 	default mkw41z4
 
-if !HAS_DTS
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 2
-
-endif # !HAS_DTS
-
 config NUM_IRQS
 	int
 	default 32
diff --git a/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.series b/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.series
index 3c0e98ddde0..faf128e5053 100644
--- a/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.series
+++ b/arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.series
@@ -10,16 +10,6 @@ if SOC_SERIES_KINETIS_KWX
 config SOC_SERIES
 	default kwx
 
-if !HAS_DTS
-
-config SRAM_BASE_ADDRESS
-	default 0x20000000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-endif # !HAS_DTS
-
 source "arch/arm/soc/nxp_kinetis/kwx/Kconfig.defconfig.mk*"
 
 endif # SOC_SERIES_KINETIS_KWX
diff --git a/boards/arm/frdm_k64f/Kconfig.defconfig b/boards/arm/frdm_k64f/Kconfig.defconfig
index aac7f60451a..fb51f5e68d1 100644
--- a/boards/arm/frdm_k64f/Kconfig.defconfig
+++ b/boards/arm/frdm_k64f/Kconfig.defconfig
@@ -10,16 +10,6 @@ if BOARD_FRDM_K64F
 config BOARD
 	default frdm_k64f
 
-if !HAS_DTS
-
-config FLASH_SIZE
-	default 1024
-
-config SRAM_SIZE
-	default 192
-
-endif # !HAS_DTS
-
 config OSC_XTAL0_FREQ
 	default 50000000
 
diff --git a/boards/arm/frdm_kw41z/Kconfig.defconfig b/boards/arm/frdm_kw41z/Kconfig.defconfig
index d4b69033247..899f5d20f3d 100644
--- a/boards/arm/frdm_kw41z/Kconfig.defconfig
+++ b/boards/arm/frdm_kw41z/Kconfig.defconfig
@@ -10,15 +10,6 @@ if BOARD_FRDM_KW41Z
 config BOARD
 	default frdm_kw41z
 
-if !HAS_DTS
-
-config FLASH_SIZE
-	default 512
-
-config SRAM_SIZE
-	default 128
-endif # !HAS_DTS
-
 config OSC_XTAL0_FREQ
 	default 32000000
 
diff --git a/boards/arm/hexiwear_k64/Kconfig.defconfig b/boards/arm/hexiwear_k64/Kconfig.defconfig
index 566d7a7d9fd..40f048d7674 100644
--- a/boards/arm/hexiwear_k64/Kconfig.defconfig
+++ b/boards/arm/hexiwear_k64/Kconfig.defconfig
@@ -10,16 +10,6 @@ if BOARD_HEXIWEAR_K64
 config BOARD
 	default hexiwear_k64
 
-if !HAS_DTS
-
-config FLASH_SIZE
-	default 1024
-
-config SRAM_SIZE
-	default 192
-
-endif # !HAS_DTS
-
 config OSC_XTAL0_FREQ
 	default 12000000