diff --git a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAA b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAA
index 2f3204c78cc..b63ab6848ca 100644
--- a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAA
+++ b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAA
@@ -12,14 +12,6 @@ config SOC
 	string
 	default nRF51822_QFAA
 
-if !HAS_DTS
-config SRAM_SIZE
-	default 16
-
-config FLASH_SIZE
-	default 256
-endif
-
 config ISR_STACK_SIZE
 	default 640
 
diff --git a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAB b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAB
index c5d75bd804d..c282c97da27 100644
--- a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAB
+++ b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAB
@@ -12,14 +12,6 @@ config SOC
 	string
 	default nRF51822_QFAB
 
-if !HAS_DTS
-config SRAM_SIZE
-	default 16
-
-config FLASH_SIZE
-	default 128
-endif
-
 config ISR_STACK_SIZE
 	default 640
 
diff --git a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAC b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAC
index b8d85f1d323..e373d54dc58 100644
--- a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAC
+++ b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.nrf51822_QFAC
@@ -12,12 +12,4 @@ config SOC
 	string
 	default nRF51822_QFAC
 
-if !HAS_DTS
-config SRAM_SIZE
-	default 32
-
-config FLASH_SIZE
-	default 256
-endif
-
 endif # SOC_NRF51822_QFAC
diff --git a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.series b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.series
index d7d7c121c92..632bc9d7f6f 100644
--- a/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.series
+++ b/arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.series
@@ -19,18 +19,6 @@ config SYS_CLOCK_HW_CYCLES_PER_SEC
 config SYS_POWER_MANAGEMENT
 	default y
 
-if !HAS_DTS
-config SRAM_BASE_ADDRESS
-	default 0x20000000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 2
-endif
-
 config NUM_IRQS
 	int
 	default 26
diff --git a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52832_QFAA b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52832_QFAA
index 73a2b69d39c..ec4703b2a28 100644
--- a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52832_QFAA
+++ b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52832_QFAA
@@ -12,14 +12,6 @@ config SOC
 	string
 	default nRF52832_QFAA
 
-if !HAS_DTS
-config SRAM_SIZE
-	default 64
-
-config FLASH_SIZE
-	default 512
-endif
-
 config NUM_IRQS
 	int
 	default 39
diff --git a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52840_QIAA b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52840_QIAA
index 0d10e1772f6..abedef9dfb1 100644
--- a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52840_QIAA
+++ b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.nrf52840_QIAA
@@ -12,14 +12,6 @@ config SOC
 	string
 	default nRF52840_QIAA
 
-if !HAS_DTS
-config SRAM_SIZE
-	default 256
-
-config FLASH_SIZE
-	default 1024
-endif
-
 config NUM_IRQS
 	int
 	default 46
diff --git a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.series b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.series
index acbcf7c60e0..e46e932a929 100644
--- a/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.series
+++ b/arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.series
@@ -19,16 +19,4 @@ config SYS_CLOCK_HW_CYCLES_PER_SEC
 config SYS_POWER_MANAGEMENT
 	default y
 
-if !HAS_DTS
-config SRAM_BASE_ADDRESS
-	default 0x20000000
-
-config FLASH_BASE_ADDRESS
-	default 0x00000000
-
-config NUM_IRQ_PRIO_BITS
-	int
-	default 3
-endif
-
 endif # SOC_SERIES_NRF52X