Kconfig: Remove all default n/no options

default n/no doesn't need to be specified. It is default option anyway.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
[trini: Rework FSP_USE_UPD portion]
Signed-off-by: Tom Rini <trini@konsulko.com>

65 files changed, 1 insertions, 224 deletions

diff --git a/Kconfig b/Kconfig
index 35d619f..931a228 100644
--- a/Kconfig
+++ b/Kconfig
@@ -83,7 +83,6 @@ config CC_OPTIMIZE_FOR_SIZE
 
 config OPTIMIZE_INLINING
 	bool "Allow compiler to uninline functions marked 'inline' in full U-Boot"
-	default n
 	help
 	  This option determines if U-Boot forces gcc to inline the functions
 	  developers have marked 'inline'. Doing so takes away freedom from gcc to
@@ -93,7 +92,6 @@ config OPTIMIZE_INLINING
 config SPL_OPTIMIZE_INLINING
 	bool "Allow compiler to uninline functions marked 'inline' in SPL"
 	depends on SPL
-	default n
 	help
 	  This option determines if U-Boot forces gcc to inline the functions
 	  developers have marked 'inline'. Doing so takes away freedom from gcc to
@@ -106,7 +104,6 @@ config ARCH_SUPPORTS_LTO
 config LTO
 	bool "Enable Link Time Optimizations"
 	depends on ARCH_SUPPORTS_LTO
-	default n
 	help
 	  This option enables Link Time Optimization (LTO), a mechanism which
 	  allows the compiler to optimize between different compilation units.
@@ -127,7 +124,6 @@ config LTO
 config TPL_OPTIMIZE_INLINING
 	bool "Allow compiler to uninline functions marked 'inline' in TPL"
 	depends on TPL
-	default n
 	help
 	  This option determines if U-Boot forces gcc to inline the functions
 	  developers have marked 'inline'. Doing so takes away freedom from gcc to
@@ -310,7 +306,6 @@ if EXPERT
 
 config SYS_MALLOC_DEFAULT_TO_INIT
 	bool "Default malloc to init while reserving the memory for it"
-	default n
 	help
 	  It may happen that one needs to move the dynamic allocation
 	  from one to another memory range, eg. when moving the malloc
@@ -440,7 +435,6 @@ config SYS_HAS_SRAM
 	default y if TARGET_PIC32MZDASK
 	default y if TARGET_DEVKIT8000
 	default y if TARGET_TRICORDER
-	default n
 	help
 	  Enable this to allow support for the on board SRAM.
 	  SRAM base address is controlled by CONFIG_SYS_SRAM_BASE.
diff --git a/api/Kconfig b/api/Kconfig
index 16731d3..382aa4a 100644
--- a/api/Kconfig
+++ b/api/Kconfig
@@ -2,7 +2,6 @@ menu "API"
 
 config API
 	bool "Enable U-Boot API"
-	default n
 	help
 	  This option enables the U-Boot API. See api/README for more information.
 
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 6ff201f..1a7c525 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -104,13 +104,11 @@ endchoice
 
 config CPU_BIG_ENDIAN
 	bool "Enable Big Endian Mode"
-	default n
 	help
 	  Build kernel for Big Endian Mode of ARC CPU
 
 config SYS_ICACHE_OFF
 	bool "Do not enable icache"
-	default n
 	help
 	  Do not enable instruction cache in U-Boot.
 
@@ -123,7 +121,6 @@ config SPL_SYS_ICACHE_OFF
 
 config SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.
 
@@ -136,14 +133,12 @@ config SPL_SYS_DCACHE_OFF
 
 menuconfig ARC_DBG
 	bool "ARC debugging"
-	default n
 
 if ARC_DBG
 
 config ARC_DBG_IOC_ENABLE
 	bool "Enable IO coherency unit"
 	depends on CPU_ARCHS38
-	default n
 	help
 	  Enable IO coherency unit to debug problems with caches and
 	  DMA peripherals.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3b1e257..b730d3e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -110,7 +110,6 @@ config THUMB2_KERNEL
 
 config SYS_ICACHE_OFF
 	bool "Do not enable icache"
-	default n
 	help
 	  Do not enable instruction cache in U-Boot.
 
@@ -123,7 +122,6 @@ config SPL_SYS_ICACHE_OFF
 
 config SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.
 
@@ -443,7 +441,6 @@ config ENABLE_ARM_SOC_BOOT0_HOOK
 
 config ARM_CORTEX_CPU_IS_UP
 	bool
-	default n
 
 config USE_ARCH_MEMCPY
 	bool "Use an assembly optimized implementation of memcpy"
@@ -1907,7 +1904,6 @@ config ARCH_SUPPORT_TFABOOT
 config TFABOOT
 	bool "Support for booting from TF-A"
 	depends on ARCH_SUPPORT_TFABOOT
-	default n
 	help
 	  Some platforms support the setup of secure registers (for instance
 	  for CPU errata handling) or provide secure services like PSCI.
diff --git a/arch/arm/cpu/armv8/Kconfig b/arch/arm/cpu/armv8/Kconfig
index b7a10a8..0a3fdfa 100644
--- a/arch/arm/cpu/armv8/Kconfig
+++ b/arch/arm/cpu/armv8/Kconfig
@@ -3,7 +3,6 @@ if ARM64
 config ARMV8_SPL_EXCEPTION_VECTORS
 	bool "Install crash dump exception vectors"
 	depends on SPL
-	default n
 	help
 	  The default exception vector table is only used for the crash
 	  dump, but still takes quite a lot of space in the image size.
@@ -128,7 +127,6 @@ config PSCI_RESET
 
 config ARMV8_PSCI
 	bool "Enable PSCI support" if EXPERT
-	default n
 	help
 	  PSCI is Power State Coordination Interface defined by ARM.
 	  The PSCI in U-boot provides a general framework and each platform
@@ -156,7 +154,6 @@ config ARMV8_PSCI_CPUS_PER_CLUSTER
 
 config ARMV8_EA_EL3_FIRST
 	bool "External aborts and SError interrupt exception are taken in EL3"
-	default n
 	help
 	  Exception handling at all exception levels for External Abort and
 	  SError interrupt exception are taken in EL3.
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index b10b56d..1e166c7 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -453,7 +453,6 @@ config QSPI_AHB_INIT
 
 config FSPI_AHB_EN_4BYTE
 	bool "Enable 4-byte Fast Read command for AHB mode"
-	default n
 	help
 	  The default setting for FlexSPI AHB bus just supports 3-byte addressing.
 	  But some FlexSPI flash sizes are up to 64MBytes.
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index c90505e..4448ca1 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -298,7 +298,6 @@ endchoice
 
 config ATMEL_SFR
 	bool
-	default n
 
 config SYS_SOC
 	default "at91"
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index 789a50d..cb85ad2 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -102,7 +102,6 @@ config MX6_OCRAM_256KB
 config MX6_DDRCAL
 	bool "Include dynamic DDR calibration routines"
 	depends on SPL
-	default n
 	help
 	  Say "Y" if your board uses dynamic (per-boot) DDR calibration.
 	  If unsure, say N.
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index e067604..134b6b1 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -8,7 +8,6 @@ config SYS_VENDOR
 
 config MT8512
 	bool "MediaTek MT8512 SoC"
-	default n
 
 choice
 	prompt "MediaTek board select"
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 944bbee..c6a4b07 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -2,7 +2,6 @@ if ARCH_MVEBU
 
 config HAVE_MVEBU_EFUSE
 	bool
-	default n
 
 config ARMADA_32BIT
 	bool
@@ -311,14 +310,12 @@ endchoice
 
 config MVEBU_EFUSE
 	bool "Enable eFuse support"
-	default n
 	depends on HAVE_MVEBU_EFUSE
 	help
 	  Enable support for reading and writing eFuses on mvebu SoCs.
 
 config MVEBU_EFUSE_FAKE
 	bool "Fake eFuse access (dry run)"
-	default n
 	depends on MVEBU_EFUSE
 	help
 	  This enables a "dry run" mode where eFuses are not really programmed.
diff --git a/arch/arm/mach-rmobile/Kconfig.32 b/arch/arm/mach-rmobile/Kconfig.32
index d5e437f..ea98bb0 100644
--- a/arch/arm/mach-rmobile/Kconfig.32
+++ b/arch/arm/mach-rmobile/Kconfig.32
@@ -133,7 +133,6 @@ config SYS_SOC
 config RMOBILE_EXTRAM_BOOT
 	bool "Enable boot from RAM"
 	depends on TARGET_ALT || TARGET_BLANCHE || TARGET_KOELSCH || TARGET_LAGER || TARGET_PORTER || TARGET_SILK || TARGET_STOUT
-	default n
 
 choice
 	prompt "Qos setting primary"
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 5d7eca6..4a57014 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -190,7 +190,6 @@ config STM32_ECDSA_VERIFY
 
 config CMD_STM32KEY
 	bool "command stm32key to fuse public key hash"
-	default n
 	help
 		fuse public key hash in corresponding fuse used to authenticate
 		binary.
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 79c669a..1d4a4fd 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -629,7 +629,6 @@ config SYS_SOC
 
 config UART0_PORT_F
 	bool "UART0 on MicroSD breakout board"
-	default n
 	---help---
 	Repurpose the SD card slot for getting access to the UART0 serial
 	console. Primarily useful only for low level u-boot debugging on
@@ -640,7 +639,6 @@ config UART0_PORT_F
 
 config OLD_SUNXI_KERNEL_COMPAT
 	bool "Enable workarounds for booting old kernels"
-	default n
 	---help---
 	Set this to enable various workarounds for old kernels, this results in
 	sub-optimal settings for newer kernels, only enable if needed.
@@ -771,14 +769,12 @@ config I2C0_ENABLE
 
 config I2C1_ENABLE
 	bool "Enable I2C/TWI controller 1"
-	default n
 	select CMD_I2C
 	---help---
 	See I2C0_ENABLE help text.
 
 config I2C2_ENABLE
 	bool "Enable I2C/TWI controller 2"
-	default n
 	select CMD_I2C
 	---help---
 	See I2C0_ENABLE help text.
@@ -786,7 +782,6 @@ config I2C2_ENABLE
 if MACH_SUN6I || MACH_SUN7I
 config I2C3_ENABLE
 	bool "Enable I2C/TWI controller 3"
-	default n
 	select CMD_I2C
 	---help---
 	See I2C0_ENABLE help text.
@@ -805,7 +800,6 @@ endif
 if MACH_SUN7I
 config I2C4_ENABLE
 	bool "Enable I2C/TWI controller 4"
-	default n
 	select CMD_I2C
 	---help---
 	See I2C0_ENABLE help text.
@@ -813,7 +807,6 @@ endif
 
 config AXP_GPIO
 	bool "Enable support for gpio-s on axp PMICs"
-	default n
 	---help---
 	Say Y here to enable support for the gpio pins of the axp PMIC ICs.
 
@@ -845,14 +838,12 @@ config VIDEO_HDMI
 config VIDEO_VGA
 	bool "VGA output support"
 	depends on VIDEO_SUNXI && (MACH_SUN4I || MACH_SUN7I)
-	default n
 	---help---
 	Say Y here to add support for outputting video over VGA.
 
 config VIDEO_VGA_VIA_LCD
 	bool "VGA via LCD controller support"
 	depends on VIDEO_SUNXI && (MACH_SUN5I || MACH_SUN6I || MACH_SUN8I)
-	default n
 	---help---
 	Say Y here to add support for external DACs connected to the parallel
 	LCD interface driving a VGA connector, such as found on the
@@ -861,7 +852,6 @@ config VIDEO_VGA_VIA_LCD
 config VIDEO_VGA_VIA_LCD_FORCE_SYNC_ACTIVE_HIGH
 	bool "Force sync active high for VGA via LCD controller support"
 	depends on VIDEO_VGA_VIA_LCD
-	default n
 	---help---
 	Say Y here if you've a board which uses opendrain drivers for the vga
 	hsync and vsync signals. Opendrain drivers cannot generate steep enough
@@ -879,7 +869,6 @@ config VIDEO_VGA_EXTERNAL_DAC_EN
 config VIDEO_COMPOSITE
 	bool "Composite video output support"
 	depends on VIDEO_SUNXI && (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
-	default n
 	---help---
 	Say Y here to add support for outputting composite video.
 
@@ -943,7 +932,6 @@ config VIDEO_LCD_BL_PWM_ACTIVE_LOW
 config VIDEO_LCD_PANEL_I2C
 	bool "LCD panel needs to be configured via i2c"
 	depends on VIDEO_SUNXI
-	default n
 	select CMD_I2C
 	---help---
 	Say y here if the LCD panel needs to be configured via i2c. This
@@ -976,7 +964,6 @@ config VIDEO_LCD_IF_LVDS
 
 config SUNXI_DE2
 	bool
-	default n
 
 config VIDEO_DE2
 	bool "Display Engine 2 video driver"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index fa221f1..ebfa8e6 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -346,7 +346,6 @@ config MIPS_RELOCATION_TABLE_SIZE
 
 config RESTORE_EXCEPTION_VECTOR_BASE
 	bool "Restore exception vector base before booting linux kernel"
-	default n
 	help
 	  In U-Boot the exception vector base will be moved to top of memory,
 	  to be used to display register dump when exception occurs.
@@ -361,7 +360,6 @@ config RESTORE_EXCEPTION_VECTOR_BASE
 config OVERRIDE_EXCEPTION_VECTOR_BASE
 	bool "Override the exception vector base to be restored"
 	depends on RESTORE_EXCEPTION_VECTOR_BASE
-	default n
 	help
 	  Enable this option if you want to use a different exception vector
 	  base rather than the previously saved one.
@@ -376,7 +374,6 @@ config NEW_EXCEPTION_VECTOR_BASE
 
 config INIT_STACK_WITHOUT_MALLOC_F
 	bool "Do not reserve malloc space on initial stack"
-	default n
 	help
 	  Enable this option if you don't want to reserve malloc space on
 	  initial stack. This is useful if the initial stack can't hold large
@@ -385,7 +382,6 @@ config INIT_STACK_WITHOUT_MALLOC_F
 
 config SPL_INIT_STACK_WITHOUT_MALLOC_F
 	bool "Do not reserve malloc space on initial stack in SPL"
-	default n
 	help
 	  Enable this option if you don't want to reserve malloc space on
 	  initial stack. This is useful if the initial stack can't hold large
@@ -394,7 +390,6 @@ config SPL_INIT_STACK_WITHOUT_MALLOC_F
 
 config SPL_LOADER_SUPPORT
 	bool
-	default n
 	help
 	  Enable this option if you want to use SPL loaders without DM enabled.
 
@@ -422,7 +417,6 @@ config MIPS_BOOT_ENV_LEGACY
 
 config MIPS_BOOT_FDT
 	bool "Hand over a flattened device tree to Linux kernel"
-	default n
 	help
 	  Enable this option if you want U-Boot to hand over a flattened
 	  device tree to the kernel. According to UHI register $a0 will be set
@@ -501,7 +495,6 @@ config SYS_MIPS_CACHE_INIT_RAM_LOAD
 
 config MIPS_INIT_STACK_IN_SRAM
 	bool
-	default n
 	help
 	  Select this if the initial stack frame could be setup in SRAM.
 	  Normally the initial stack frame is set up in DRAM which is often
@@ -512,7 +505,6 @@ config MIPS_INIT_STACK_IN_SRAM
 
 config MIPS_SRAM_INIT
 	bool
-	default n
 	depends on MIPS_INIT_STACK_IN_SRAM
 	help
 	  Select this if the SRAM for initial stack needs to be initialized
@@ -584,7 +576,6 @@ config MIPS_CM
 
 config MIPS_INSERT_BOOT_CONFIG
 	bool
-	default n
 	help
 	  Enable this to insert some board-specific boot configuration in
 	  the U-Boot binary at offset 0x10.
diff --git a/arch/mips/mach-mtmips/mt7628/Kconfig b/arch/mips/mach-mtmips/mt7628/Kconfig
index e3f56e7..b25b20f 100644
--- a/arch/mips/mach-mtmips/mt7628/Kconfig
+++ b/arch/mips/mach-mtmips/mt7628/Kconfig
@@ -40,7 +40,6 @@ endchoice
 config SPL_UART2_SPIS_PINMUX
 	bool "Use alternative pinmux for UART2 in SPL stage"
 	depends on SPL_SERIAL_SUPPORT
-	default n
 	help
 	  Select this if the UART2 of your board is connected to GPIO 16/17
 	  (shared with SPIS) rather than the usual GPIO 20/21.
diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index b6f16bf..4353337 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -18,7 +18,6 @@ endchoice
 
 config SYS_ICACHE_OFF
 	bool "Do not enable icache"
-	default n
 	help
 	  Do not enable instruction cache in U-Boot.
 
@@ -31,7 +30,6 @@ config SPL_SYS_ICACHE_OFF
 
 config SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.
 
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 691ed11..519507d 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -35,7 +35,6 @@ endchoice
 
 config SYS_ICACHE_OFF
 	bool "Do not enable icache"
-	default n
 	help
 	  Do not enable instruction cache in U-Boot.
 
@@ -48,7 +47,6 @@ config SPL_SYS_ICACHE_OFF
 
 config SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.
 
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 300b485..b8d8ee3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -146,14 +146,12 @@ config HPET_ADDRESS
 
 config SMM_TSEG
 	bool
-	default n
 
 config SMM_TSEG_SIZE
 	hex
 
 config X86_RESET_VECTOR
 	bool
-	default n
 	select BINMAN
 
 # The following options control where the 16-bit and 32-bit init lies
@@ -490,7 +488,7 @@ config FSP_SYS_MALLOC_F_LEN
 config FSP_USE_UPD
 	bool
 	depends on FSP_VERSION1
-	default y
+	default y if !NORTHBRIDGE_INTEL_IVYBRIDGE
 	help
 	  Most FSPs use UPD data region for some FSP customization. But there
 	  are still some FSPs that might not even have UPD. For such FSPs,
@@ -536,7 +534,6 @@ config HAVE_MRC
 config CACHE_MRC_BIN
 	bool
 	depends on HAVE_MRC
-	default n
 	help
 	  Enable caching for the memory reference code binary. This uses an
 	  MTRR (memory type range register) to turn on caching for the section
@@ -605,7 +602,6 @@ config HAVE_MICROCODE
 
 config SMP
 	bool "Enable Symmetric Multiprocessing"
-	default n
 	help
 	  Enable use of more than one CPU in U-Boot and the Operating System
 	  when loaded. Each CPU will be started up and information can be
@@ -745,7 +741,6 @@ menu "System tables"
 
 config GENERATE_PIRQ_TABLE
 	bool "Generate a PIRQ table"
-	default n
 	help
 	  Generate a PIRQ routing table for this board. The PIRQ routing table
 	  is generated by U-Boot in the system memory from 0xf0000 to 0xfffff
@@ -769,7 +764,6 @@ config GENERATE_SFI_TABLE
 
 config GENERATE_MP_TABLE
 	bool "Generate an MP (Multi-Processor) table"
-	default n
 	help
 	  Generate an MP (Multi-Processor) table for this board. The MP table
 	  provides a way for the operating system to support for symmetric
@@ -778,7 +772,6 @@ config GENERATE_MP_TABLE
 
 config GENERATE_ACPI_TABLE
 	bool "Generate an ACPI (Advanced Configuration and Power Interface) table"
-	default n
 	select QFW if QEMU
 	help
 	  The Advanced Configuration and Power Interface (ACPI) specification
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig
index 2f42393..be3ef5e 100644
--- a/arch/x86/cpu/ivybridge/Kconfig
+++ b/arch/x86/cpu/ivybridge/Kconfig
@@ -45,7 +45,6 @@ config SMM_TSEG_SIZE
 
 config ENABLE_VMX
 	bool "Enable VMX for virtualization"
-	default n
 	help
 	  Virtual Machine Extensions are provided in many x86 CPUs. These
 	  provide various facilities for allowing a host OS to provide an
@@ -64,10 +63,6 @@ config FSP_ADDR
 	hex
 	default 0xfff80000
 
-config FSP_USE_UPD
-	bool
-	default n
-
 config FSP_BROKEN_HOB
 	bool
 	default y
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 6de31e8..35e5b89 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -18,7 +18,6 @@ endchoice
 
 config SYS_ICACHE_OFF
 	bool "Do not enable icache"
-	default n
 	help
 	  Do not enable instruction cache in U-Boot.
 
@@ -31,7 +30,6 @@ config SPL_SYS_ICACHE_OFF
 
 config SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.
 
diff --git a/board/beacon/imx8mn/Kconfig b/board/beacon/imx8mn/Kconfig
index dceb3de..65d2923 100644
--- a/board/beacon/imx8mn/Kconfig
+++ b/board/beacon/imx8mn/Kconfig
@@ -11,11 +11,9 @@ config SYS_CONFIG_NAME
 
 config IMX8MN_FORCE_NOM_SOC
 	bool "Force to use nominal mode for SOC and ARM"
-	default n
 
 config IMX8MN_BEACON_2GB_LPDDR
 	bool "Enable 2GB LPDDR"
-	default n
 
 config IMX_CONFIG
 	default "arch/arm/mach-imx/imx8m/imximage-8mn-lpddr4.cfg"
diff --git a/board/congatec/common/Kconfig b/board/congatec/common/Kconfig
index 5c205bd..d4a238d 100644
--- a/board/congatec/common/Kconfig
+++ b/board/congatec/common/Kconfig
@@ -28,7 +28,6 @@ endif
 config VOL_MONITOR_LTC3882_READ
 	depends on VID
 	bool "Enable the LTC3882 voltage monitor read"
-	default n
 	help
 	 This option enables LTC3882 voltage monitor read
 	 functionality. It is used by common VID driver.
@@ -36,13 +35,11 @@ config VOL_MONITOR_LTC3882_READ
 config VOL_MONITOR_LTC3882_SET
 	depends on VID
 	bool "Enable the LTC3882 voltage monitor set"
-	default n
 	help
 	 This option enables LTC3882 voltage monitor set
 	 functionality. It is used by common VID driver.
 
 config USB_TCPC
 	bool "USB Typec port controller simple driver"
-	default n
 	help
 	  Enable USB type-c port controller (TCPC) driver
diff --git a/board/freescale/common/Kconfig b/board/freescale/common/Kconfig
index ab9c14a..1e3bb42 100644
--- a/board/freescale/common/Kconfig
+++ b/board/freescale/common/Kconfig
@@ -23,7 +23,6 @@ config CMD_ESBC_VALIDATE
 
 config FSL_USE_PCA9547_MUX
 	bool "Enable PCA9547 I2C Mux on Freescale boards"
-	default n
 	help
 	 This option enables the PCA9547 I2C mux on Freescale boards.
 
diff --git a/board/freescale/imx8mn_evk/Kconfig b/board/freescale/imx8mn_evk/Kconfig
index eb37630..0adf87b 100644
--- a/board/freescale/imx8mn_evk/Kconfig
+++ b/board/freescale/imx8mn_evk/Kconfig
@@ -11,7 +11,6 @@ config SYS_CONFIG_NAME
 
 config IMX8MN_LOW_DRIVE_MODE
 	bool "Enable the low drive mode of iMX8MN on EVK board"
-	default n
 
 config IMX_CONFIG
 	default "board/freescale/imx8mn_evk/imximage-8mn-ddr4.cfg"
diff --git a/board/freescale/ls1028a/Kconfig b/board/freescale/ls1028a/Kconfig
index ca22c92..4093981 100644
--- a/board/freescale/ls1028a/Kconfig
+++ b/board/freescale/ls1028a/Kconfig
@@ -14,7 +14,6 @@ config SYS_CONFIG_NAME
 
 config EMMC_BOOT
 	bool "Support for booting from EMMC"
-	default n
 
 config SYS_TEXT_BASE
 	default 0x96000000 if SD_BOOT || EMMC_BOOT
@@ -53,7 +52,6 @@ config SYS_CONFIG_NAME
 
 config EMMC_BOOT
 	bool "Support for booting from EMMC"
-	default n
 
 config SYS_TEXT_BASE
 	default 0x96000000 if SD_BOOT || EMMC_BOOT
diff --git a/board/freescale/ls1043ardb/Kconfig b/board/freescale/ls1043ardb/Kconfig
index 3d9e295..778b8d8 100644
--- a/board/freescale/ls1043ardb/Kconfig
+++ b/board/freescale/ls1043ardb/Kconfig
@@ -16,7 +16,6 @@ config SYS_CONFIG_NAME
 config SYS_HAS_ARMV8_SECURE_BASE
 	bool "Enable secure address for PSCI image"
 	depends on ARMV8_PSCI
-	default n
 	help
 	  PSCI image can be re-located to secure RAM.
 	  If enabled, please also define the value for ARMV8_SECURE_BASE,
diff --git a/board/freescale/t208xrdb/Kconfig b/board/freescale/t208xrdb/Kconfig
index 8249c5d..d4c061a 100644
--- a/board/freescale/t208xrdb/Kconfig
+++ b/board/freescale/t208xrdb/Kconfig
@@ -11,7 +11,6 @@ config SYS_CONFIG_NAME
 
 config T2080RDB_REV_D
 	bool "Support for T2080RDB revisions D and up"
-	default n
 
 source "board/freescale/common/Kconfig"
 
diff --git a/board/keymile/km_arm/Kconfig b/board/keymile/km_arm/Kconfig
index 6f55cfa..c52b365 100644
--- a/board/keymile/km_arm/Kconfig
+++ b/board/keymile/km_arm/Kconfig
@@ -3,37 +3,31 @@ menu "KM ARM Options"
 
 config KM_FPGA_CONFIG
 	bool "FPGA Configuration"
-	default n
 	help
 	  Include capability to change FPGA configuration.
 
 config KM_FPGA_FORCE_CONFIG
 	bool "FPGA reconfiguration"
-	default n
 	help
 	  If yes we force to reconfigure the FPGA always
 
 config KM_FPGA_NO_RESET
 	bool "FPGA skip reset"
-	default n
 	help
 	  If yes we skip triggering a reset of the FPGA
 
 config KM_ENV_IS_IN_SPI_NOR
 	bool "Environment in SPI NOR"
-	default n
 	help
 	  Put the U-Boot environment in the SPI NOR flash.
 
 config KM_PIGGY4_88E6061
 	bool "Piggy via Switch 88E6061"
-	default n
 	help
 	  The Piggy4 board is connected via a Marvell 88E6061 switch.
 
 config KM_PIGGY4_88E6352
 	bool "Piggy via Switch 88E6352"
-	default n
 	help
 	  The Piggy4 board is connected via a Marvell 88E6352 switch.
 
diff --git a/board/toradex/apalis_imx6/Kconfig b/board/toradex/apalis_imx6/Kconfig
index 14f8c10..c6ff387 100644
--- a/board/toradex/apalis_imx6/Kconfig
+++ b/board/toradex/apalis_imx6/Kconfig
@@ -48,7 +48,6 @@ config TDX_APALIS_IMX6_V1_0
 	    This option configures DCE mode unconditionally. Whithout this
 	    option the config block stating V1.0 HW selects DCE mode,
 	    otherwise the UARTs are configuered in DTE mode.
-	default n
 
 source "board/toradex/common/Kconfig"
 
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 41aba38..d8fc5a1 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -471,7 +471,6 @@ config CMD_SAVEENV
 
 config CMD_ERASEENV
 	bool "eraseenv"
-	default n
 	depends on CMD_SAVEENV
 	help
 	  Erase environment variables from the compiled-in persistent
@@ -652,14 +651,12 @@ config LOOPW
 
 config CMD_MD5SUM
 	bool "md5sum"
-	default n
 	select MD5
 	help
 	  Compute MD5 checksum.
 
 config MD5SUM_VERIFY
 	bool "md5sum -v"
-	default n
 	depends on CMD_MD5SUM
 	help
 	  Add -v option to verify data against an MD5 checksum.
@@ -1119,7 +1116,6 @@ if CMD_MMC
 config CMD_BKOPS_ENABLE
 	bool "mmc bkops enable"
 	depends on CMD_MMC
-	default n
 	help
 	  Enable command for setting manual background operations handshake
 	  on a eMMC device. The feature is optionally available on eMMC devices
@@ -1447,7 +1443,6 @@ config CMD_SETEXPR
 
 config CMD_SETEXPR_FMT
 	bool "setexpr_fmt"
-	default n
 	depends on CMD_SETEXPR
 	help
 	  Evaluate format string expression and store result in an environment
@@ -1459,7 +1454,6 @@ menu "Android support commands"
 
 config CMD_AB_SELECT
 	bool "ab_select"
-	default n
 	depends on ANDROID_AB
 	help
 	  On Android devices with more than one boot slot (multiple copies of
@@ -1764,7 +1758,6 @@ config CMD_EFIDEBUG
 	bool "efidebug - display/configure UEFI environment"
 	depends on EFI_LOADER
 	select EFI_DEVICE_PATH_TO_TEXT
-	default n
 	help
 	  Enable the 'efidebug' command which provides a subset of UEFI
 	  shell utility with simplified functionality. It will be useful
@@ -2367,7 +2360,6 @@ config CMD_TRACE
 config CMD_AVB
 	bool "avb - Android Verified Boot 2.0 operations"
 	depends on AVB_VERIFY
-	default n
 	help
 	  Enables a "avb" command to perform verification of partitions using
 	  Android Verified Boot 2.0 functionality. It includes such subcommands:
@@ -2407,7 +2399,6 @@ config CMD_UBI
 config CMD_UBI_RENAME
        bool "Enable rename"
        depends on CMD_UBI
-       default n
        help
          Enable a "ubi" command to rename ubi volume:
 	   ubi rename <oldname> <newname>
diff --git a/cmd/mvebu/Kconfig b/cmd/mvebu/Kconfig
index 7c42c75..4afe0bf 100644
--- a/cmd/mvebu/Kconfig
+++ b/cmd/mvebu/Kconfig
@@ -3,7 +3,6 @@ depends on ARCH_MVEBU
 
 config CMD_MVEBU_BUBT
 	bool "bubt"
-	default n
 	help
 	  bubt - Burn a u-boot image to flash
 	  For details about bubt command please see the documentation
diff --git a/common/Kconfig b/common/Kconfig
index 4c774a4..5c1151b 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -634,7 +634,6 @@ config TPL_HASH
 
 config STACKPROTECTOR
 	bool "Stack Protector buffer overflow detection"
-	default n
 	help
 	  Enable stack smash detection through compiler's stack-protector
 	  canary logic
@@ -642,12 +641,10 @@ config STACKPROTECTOR
 config SPL_STACKPROTECTOR
 	bool "Stack Protector buffer overflow detection for SPL"
 	depends on STACKPROTECTOR && SPL
-	default n
 
 config TPL_STACKPROTECTOR
 	bool "Stack Protector buffer overflow detection for TPL"
 	depends on STACKPROTECTOR && TPL
-	default n
 
 endmenu
 
@@ -655,7 +652,6 @@ menu "Update support"
 
 config UPDATE_COMMON
 	bool
-	default n
 	select DFU_WRITE_ALT
 
 config UPDATE_TFTP
@@ -687,7 +683,6 @@ config UPDATE_FIT
 
 config ANDROID_AB
 	bool "Android A/B updates"
-	default n
 	help
 	  If enabled, adds support for the new Android A/B update model. This
 	  allows the bootloader to select which slot to boot from based on the
diff --git a/common/Kconfig.boot b/common/Kconfig.boot
index 3e18a37..e2780bd 100644
--- a/common/Kconfig.boot
+++ b/common/Kconfig.boot
@@ -46,7 +46,6 @@ config FIT_SHA256
 
 config FIT_SHA384
 	bool "Support SHA384 checksum of FIT image contents"
-	default n
 	select SHA384
 	help
 	  Enable this to support SHA384 checksum of FIT image contents. A
@@ -56,7 +55,6 @@ config FIT_SHA384
 
 config FIT_SHA512
 	bool "Support SHA512 checksum of FIT image contents"
-	default n
 	select SHA512
 	help
 	  Enable this to support SHA512 checksum of FIT image contents. A
@@ -106,7 +104,6 @@ config FIT_SIGNATURE_MAX_SIZE
 config FIT_RSASSA_PSS
 	bool "Support rsassa-pss signature scheme of FIT image contents"
 	depends on FIT_SIGNATURE
-	default n
 	help
 	  Enable this to support the pss padding algorithm as described
 	  in the rfc8017 (https://tools.ietf.org/html/rfc8017).
@@ -727,7 +724,6 @@ config NOR_BOOT
 
 config NAND_BOOT
 	bool "Support for booting from NAND flash"
-	default n
 	imply MTD_RAW_NAND
 	help
 	  Enabling this will make a U-Boot binary that is capable of being
@@ -736,7 +732,6 @@ config NAND_BOOT
 
 config ONENAND_BOOT
 	bool "Support for booting from ONENAND"
-	default n
 	imply MTD_RAW_NAND
 	help
 	  Enabling this will make a U-Boot binary that is capable of being
@@ -745,7 +740,6 @@ config ONENAND_BOOT
 
 config QSPI_BOOT
 	bool "Support for booting from QSPI flash"
-	default n
 	help
 	  Enabling this will make a U-Boot binary that is capable of being
 	  booted via QSPI flash. This is not a must, some SoCs need this,
@@ -753,7 +747,6 @@ config QSPI_BOOT
 
 config SATA_BOOT
 	bool "Support for booting from SATA"
-	default n
 	help
 	  Enabling this will make a U-Boot binary that is capable of being
 	  booted via SATA. This is not a must, some SoCs need this,
@@ -761,7 +754,6 @@ config SATA_BOOT
 
 config SD_BOOT
 	bool "Support for booting from SD/EMMC"
-	default n
 	help
 	  Enabling this will make a U-Boot binary that is capable of being
 	  booted via SD/EMMC. This is not a must, some SoCs need this,
@@ -769,7 +761,6 @@ config SD_BOOT
 
 config SPI_BOOT
 	bool "Support for booting from SPI flash"
-	default n
 	help
 	  Enabling this will make a U-Boot binary that is capable of being
 	  booted via SPI flash. This is not a must, some SoCs need this,
@@ -803,7 +794,6 @@ config BOOTDELAY
 
 config AUTOBOOT_KEYED
 	bool "Stop autobooting via specific input key / string"
-	default n
 	help
 	  This option enables stopping (aborting) of the automatic
 	  boot feature only by issuing a specific input key or
@@ -890,7 +880,6 @@ config AUTOBOOT_STOP_STR
 config AUTOBOOT_KEYED_CTRLC
 	bool "Enable Ctrl-C autoboot interruption"
 	depends on AUTOBOOT_KEYED && !AUTOBOOT_ENCRYPTION
-	default n
 	help
 	  This option allows for the boot sequence to be interrupted
 	  by ctrl-c, in addition to the "bootdelaykey" and "bootstopkey".
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index c155a3b..089774e 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -722,7 +722,6 @@ config SYS_MMCSD_FS_BOOT_PARTITION
 config SPL_MMC_TINY
 	bool "Tiny MMC framework in SPL"
 	depends on SPL_MMC_SUPPORT
-	default n
 	help
 	  Enable MMC framework tinification support. This option is useful if
 	  if your SPL is extremely size constrained. Heed the warning, enable
@@ -739,7 +738,6 @@ config SPL_MMC_TINY
 config SPL_MMC_WRITE
 	bool "MMC/SD/SDIO card support for write operations in SPL"
 	depends on SPL_MMC_SUPPORT
-	default n
 	help
 	  Enable write access to MMC and SD Cards in SPL
 
@@ -912,7 +910,6 @@ config SPL_UBI_LOAD_ARGS_ID
 
 config UBI_SPL_SILENCE_MSG
 	bool "silence UBI SPL messages"
-	default n
 	help
 	  Disable messages from UBI SPL. This leaves warnings
 	  and errors enabled.
@@ -975,7 +972,6 @@ config SPL_ONENAND_SUPPORT
 config SPL_OS_BOOT
 	bool "Activate Falcon Mode"
 	depends on !TI_SECURE_DEVICE
-	default n
 	help
 	  Enable booting directly to an OS from SPL.
 	  for more info read doc/README.falcon
@@ -1422,7 +1418,6 @@ config TPL_LDSCRIPT
 
 config TPL_NEEDS_SEPARATE_TEXT_BASE
 	bool "TPL needs a separate text-base"
-	default n
 	depends on TPL
 	help
 	  Enable, if the TPL stage should not inherit its text-base
@@ -1431,7 +1426,6 @@ config TPL_NEEDS_SEPARATE_TEXT_BASE
 
 config TPL_NEEDS_SEPARATE_STACK
 	bool "TPL needs a separate initial stack-pointer"
-	default n
 	depends on TPL
 	help
 	  Enable, if the TPL stage should not inherit its initial
@@ -1638,7 +1632,6 @@ endif # TPL
 config SPL_AT91_MCK_BYPASS
 	bool "Use external clock signal as a source of main clock for AT91 platforms"
 	depends on ARCH_AT91
-	default n
 	help
 	  Use external 8 to 24 Mhz clock signal as source of main clock instead
 	  of an external crystal oscillator.
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 4023332..56a4eec 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -52,14 +52,12 @@ config BLOCK_CACHE
 config SPL_BLOCK_CACHE
 	bool "Use block device cache in SPL"
 	depends on SPL_BLK
-	default n
 	help
 	  This option enables the disk-block cache in SPL
 
 config TPL_BLOCK_CACHE
 	bool "Use block device cache in TPL"
 	depends on TPL_BLK
-	default n
 	help
 	  This option enables the disk-block cache in TPL
 
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 9ae188c..8f7703c 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -80,7 +80,6 @@ config DM_DEVICE_REMOVE
 config SPL_DM_DEVICE_REMOVE
 	bool "Support device removal in SPL"
 	depends on SPL_DM
-	default n
 	help
 	  We can save some code space by dropping support for removing a
 	  device. This is not normally required in SPL, so by default this
@@ -107,7 +106,6 @@ config DM_SEQ_ALIAS
 config SPL_DM_SEQ_ALIAS
 	bool "Support numbered aliases in device tree in SPL"
 	depends on SPL_DM
-	default n
 	help
 	  Most boards will have a '/aliases' node containing the path to
 	  numbered devices (e.g. serial0 = &serial0). This feature can be
@@ -132,7 +130,6 @@ config TPL_DM_INLINE_OFNODE
 config DM_DMA
 	bool "Support per-device DMA constraints"
 	depends on DM
-	default n
 	help
 	  Enable this to extract per-device DMA constraints, only supported on
 	  device-tree systems for now. This is needed in order translate
@@ -274,7 +271,6 @@ config OF_TRANSLATE
 config SPL_OF_TRANSLATE
 	bool "Translate addresses using fdt_translate_address in SPL"
 	depends on SPL_DM && SPL_OF_CONTROL
-	default n
 	help
 	  If this option is enabled, the reg property will be translated
 	  using the fdt_translate_address() function. This is necessary
diff --git a/drivers/dfu/Kconfig b/drivers/dfu/Kconfig
index b505474..48e41bc 100644
--- a/drivers/dfu/Kconfig
+++ b/drivers/dfu/Kconfig
@@ -16,7 +16,6 @@ config DFU_OVER_TFTP
 if DFU
 config DFU_WRITE_ALT
 	bool
-	default n
 
 config DFU_TFTP
 	bool "DFU via TFTP"
diff --git a/drivers/dma/ti/Kconfig b/drivers/dma/ti/Kconfig
index 9cbd5f3..87c026e 100644
--- a/drivers/dma/ti/Kconfig
+++ b/drivers/dma/ti/Kconfig
@@ -9,7 +9,6 @@ config TI_K3_NAVSS_UDMA
         select TI_K3_NAVSS_RINGACC
         select TI_K3_NAVSS_PSILCFG
         select TI_K3_PSIL
-        default n
         help
           Support for UDMA used in K3 devices.
 endif
diff --git a/drivers/fastboot/Kconfig b/drivers/fastboot/Kconfig
index 2d1836a..d5e4a02 100644
--- a/drivers/fastboot/Kconfig
+++ b/drivers/fastboot/Kconfig
@@ -74,7 +74,6 @@ config FASTBOOT_FLASH
 
 config FASTBOOT_UUU_SUPPORT
 	bool "Enable FASTBOOT i.MX UUU special command"
-	default n
 	help
 	  The fastboot protocol includes "UCmd" and "ACmd" command.
 	  Be aware that you provide full access to any U-Boot command,
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 4a89c1a..ab9adbd 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -39,7 +39,6 @@ config TPL_DM_GPIO
 config GPIO_HOG
 	bool "Enable GPIO hog support"
 	depends on DM_GPIO
-	default n
 	help
 	  Enable gpio hog support
 	  The GPIO chip may contain GPIO hog definitions. GPIO hogging
@@ -91,13 +90,11 @@ config CORTINA_GPIO
 config DWAPB_GPIO
 	bool "DWAPB GPIO driver"
 	depends on DM && DM_GPIO
-	default n
 	help
 	  Support for the Designware APB GPIO driver.
 
 config AT91_GPIO
 	bool "AT91 PIO GPIO driver"
-	default n
 	help
 	  Say yes here to select AT91 PIO GPIO driver. AT91 PIO
 	  controller manages up to 32 fully programmable input/output
@@ -110,7 +107,6 @@ config AT91_GPIO
 config ATMEL_PIO4
 	bool "ATMEL PIO4 driver"
 	depends on DM_GPIO
-	default n
 	help
 	  Say yes here to support the Atmel PIO4 driver.
 	  The PIO4 is new version of Atmel PIO controller, which manages
@@ -150,13 +146,11 @@ config INTEL_ICH6_GPIO
 config IMX_RGPIO2P
 	bool "i.MX7ULP RGPIO2P driver"
 	depends on DM
-	default n
 	help
 	  This driver supports i.MX7ULP Rapid GPIO2P controller.
 
 config IPROC_GPIO
 	bool "Broadcom iProc GPIO driver(without pinconf)"
-	default n
 	help
 	  The Broadcom iProc based SoCs- Cygnus, NS2, NS3, NSP and Stingray,
 	  use the same GPIO Controller IP hence this driver could be used
@@ -168,14 +162,12 @@ config IPROC_GPIO
 config HSDK_CREG_GPIO
 	bool "HSDK CREG GPIO griver"
 	depends on DM_GPIO
-	default n
 	help
 	  This driver supports CREG GPIOs on Synopsys HSDK SOC.
 
 config LPC32XX_GPIO
 	bool "LPC32XX GPIO driver"
 	depends on DM
-	default n
 	help
 	  Support for the LPC32XX GPIO driver.
 
@@ -203,7 +195,6 @@ config MSCC_SGPIO
 config MSM_GPIO
 	bool "Qualcomm GPIO driver"
 	depends on DM_GPIO
-	default n
 	help
 	  Support GPIO controllers on Qualcomm Snapdragon family of SoCs.
 	  This controller have single bank (default name "soc"), every
@@ -345,7 +336,6 @@ config GPIO_UNIPHIER
 config VYBRID_GPIO
 	bool "Vybrid GPIO driver"
 	depends on DM
-	default n
 	help
 	  Say yes here to support Vybrid vf610 GPIOs.
 
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 5d27f50..57cac44 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -193,7 +193,6 @@ config SYS_I2C_CADENCE
 config SYS_I2C_CA
 	tristate "Cortina-Access I2C Controller"
 	depends on DM_I2C && CORTINA_PLATFORM
-	default n
 	help
 	  Add support for the Cortina Access I2C host controller.
 	  Say yes here to select Cortina-Access I2C Host Controller.
@@ -206,7 +205,6 @@ config SYS_I2C_DAVINCI
 
 config SYS_I2C_DW
 	bool "Designware I2C Controller"
-	default n
 	help
 	  Say yes here to select the Designware I2C Host Controller. This
 	  controller is used in various SoCs, e.g. the ST SPEAr, Altera
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 1569e8c..e0927ce 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -123,7 +123,6 @@ config MMC_IO_VOLTAGE
 
 config SPL_MMC_IO_VOLTAGE
 	bool "Support IO voltage configuration in SPL"
-	default n
 	help
 	  IO voltage configuration allows selecting the voltage level of the IO
 	  lines (not the level of main supply). This is required for UHS
@@ -193,7 +192,6 @@ config MMC_VERBOSE
 
 config MMC_TRACE
 	bool "MMC debugging"
-	default n
 	help
 	  This is an option for use by developer. Enable MMC core debugging.
 
@@ -221,7 +219,6 @@ config MMC_DW_CORTINA
 	depends on DM_MMC
 	depends on MMC_DW
 	depends on BLK
-	default n
 	help
 	  This selects support for Cortina SoC specific extensions to the
 	  Synopsys DesignWare Memory Card Interface driver. Select this option
@@ -770,7 +767,6 @@ config FTSDC010
 
 config FTSDC010_SDIO
 	bool "Support ftsdc010 sdio"
-	default n
 	depends on FTSDC010
 	help
 		This can enable ftsdc010 sdio function.
@@ -805,7 +801,6 @@ config FSL_ESDHC_SUPPORT_ADMA2
 config FSL_ESDHC_33V_IO_RELIABILITY_WORKAROUND
 	bool "enable eSDHC workaround for 3.3v IO reliability issue"
 	depends on FSL_ESDHC && DM_MMC
-	default n
 	help
 	  When eSDHC operates at 3.3v, damage can accumulate in an internal
 	  level shifter at a higher than expected rate. The faster the interface
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index a901ce5..f7b1334 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -31,12 +31,10 @@ if NAND_ATMEL
 
 config ATMEL_NAND_HWECC
 	bool "Atmel Hardware ECC"
-	default n
 
 config ATMEL_NAND_HW_PMECC
 	bool "Atmel Programmable Multibit ECC (PMECC)"
 	select ATMEL_NAND_HWECC
-	default n
 	help
 	  The Programmable Multibit ECC (PMECC) controller is a programmable
 	  binary BCH(Bose, Chaudhuri and Hocquenghem) encoder and decoder.
@@ -59,7 +57,6 @@ config SPL_GENERATE_ATMEL_PMECC_HEADER
 	bool "Atmel PMECC Header Generation"
 	select ATMEL_NAND_HWECC
 	select ATMEL_NAND_HW_PMECC
-	default n
 	help
 	  Generate Programmable Multibit ECC (PMECC) header for SPL image.
 
diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig
index b2291f7..ddeef37 100644
--- a/drivers/mtd/spi/Kconfig
+++ b/drivers/mtd/spi/Kconfig
@@ -99,7 +99,6 @@ config SPI_FLASH_SMART_HWCAPS
 
 config SPI_FLASH_SOFT_RESET
 	bool "Software Reset support for SPI NOR flashes"
-	default n
 	help
 	 Enable support for xSPI Software Reset. It will be used to switch from
 	 Octal DTR mode to legacy mode on shutdown and boot (if enabled).
@@ -107,7 +106,6 @@ config SPI_FLASH_SOFT_RESET
 config SPI_FLASH_SOFT_RESET_ON_BOOT
 	bool "Perform a Software Reset on boot on flashes that boot in stateful mode"
 	depends on SPI_FLASH_SOFT_RESET
-	default n
 	help
 	 Perform a Software Reset on boot to allow detecting flashes that are
 	 handed to us in Octal DTR mode. Do not enable this config on flashes
diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index a78fd51..67a3cf1 100644
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -68,7 +68,6 @@ config MTD_UBI_BEB_LIMIT
 
 config MTD_UBI_FASTMAP
 	bool "UBI Fastmap (Experimental feature)"
-	default n
 	help
 	   Important: this feature is experimental so far and the on-flash
 	   format for fastmap may change in the next kernel versions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 32f2708..0b906db 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -558,7 +558,6 @@ endif #DM_ETH
 
 config SMC911X_32_BIT
 	bool "Enable SMC911X 32-bit interface"
-	default n
 	help
 	  Define this if data bus is 32 bits. If your processor use a
 	  narrower 16 bit bus or cannot convert one 32 bit word to two 16 bit
@@ -713,7 +712,6 @@ config FEC1_PHY
 config PHY_NORXERR
 	bool "PHY_NORXERR"
 	depends on ETHER_ON_FEC1
-	default n
 	help
 	  The PHY does not have a RXERR line (RMII only).
 	  (so program the FEC to ignore it).
@@ -738,7 +736,6 @@ config FEC2_PHY
 config FEC2_PHY_NORXERR
 	bool "PHY_NORXERR"
 	depends on ETHER_ON_FEC2
-	default n
 	help
 	  The PHY does not have a RXERR line (RMII only).
 	  (so program the FEC to ignore it).
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 64d5ddf..68ee7d7 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -71,7 +71,6 @@ menuconfig PHY_AQUANTIA
 
 config PHY_AQUANTIA_UPLOAD_FW
 	bool "Aquantia firmware loading support"
-	default n
 	depends on PHY_AQUANTIA
 	help
 		Aquantia PHYs use firmware which can be either loaded automatically
@@ -102,7 +101,6 @@ config PHY_CORTINA
 
 config SYS_CORTINA_NO_FW_UPLOAD
 	bool "Cortina firmware loading support"
-	default n
 	depends on PHY_CORTINA
 	help
 		Cortina phy has provision to store phy firmware in attached dedicated
@@ -250,7 +248,6 @@ config RTL8211X_PHY_FORCE_MASTER
 config RTL8211F_PHY_FORCE_EEE_RXC_ON
 	bool "Ethernet PHY RTL8211F: do not stop receiving the xMII clock during LPI"
 	depends on PHY_REALTEK
-	default n
 	help
 	  The IEEE 802.3az-2010 (EEE) standard provides a protocol to coordinate
 	  transitions to/from a lower power consumption level (Low Power Idle
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 2ef4d46..97d0de5 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -29,7 +29,6 @@ config DM_PCI_COMPAT
 
 config PCI_AARDVARK
 	bool "Enable Aardvark PCIe driver"
-	default n
 	depends on DM_PCI
 	depends on DM_GPIO
 	depends on ARMADA_3700
@@ -48,7 +47,6 @@ config PCI_PNP
 config PCI_REGION_MULTI_ENTRY
 	bool "Enable Multiple entries of region type MEMORY in ranges for PCI"
 	depends on PCI || DM_PCI
-	default n
 	help
 	  Enable PCI memory regions to be of multiple entry. Multiple entry
 	  here refers to allow more than one count of address ranges for MEMORY
@@ -59,7 +57,6 @@ config PCI_MAP_SYSTEM_MEMORY
 	bool "Map local system memory from a virtual base address"
 	depends on PCI || DM_PCI
 	depends on MIPS
-	default n
 	help
 	  Say Y if base address of system memory is being used as a virtual address
 	  instead of a physical address (e.g. on MIPS). The PCI core will then remap
@@ -71,7 +68,6 @@ config PCI_MAP_SYSTEM_MEMORY
 config PCI_SRIOV
 	bool "Enable Single Root I/O Virtualization support for PCI"
 	depends on PCI || DM_PCI
-	default n
 	help
 	  Say Y here if you want to enable PCI Single Root I/O Virtualization
 	  capability support. This helps to enumerate Virtual Function devices
@@ -81,7 +77,6 @@ config PCI_SRIOV
 config PCI_ARID
         bool "Enable Alternate Routing-ID support for PCI"
         depends on PCI || DM_PCI
-        default n
         help
           Say Y here if you want to enable Alternate Routing-ID capability
           support on PCI devices. This helps to skip some devices in BDF
@@ -89,7 +84,6 @@ config PCI_ARID
 
 config PCIE_ECAM_GENERIC
 	bool "Generic ECAM-based PCI host controller support"
-	default n
 	depends on DM_PCI
 	help
 	  Say Y here if you want to enable support for generic ECAM-based
@@ -97,7 +91,6 @@ config PCIE_ECAM_GENERIC
 
 config PCIE_ECAM_SYNQUACER
 	bool "SynQuacer ECAM-based PCI host controller support"
-	default n
 	depends on DM_PCI
 	select PCI_INIT_R
 	select PCI_REGION_MULTI_ENTRY
@@ -209,7 +202,6 @@ config PCI_XILINX
 
 config PCIE_LAYERSCAPE
 	bool
-	default n
 
 config PCIE_LAYERSCAPE_RC
 	bool "Layerscape PCIe Root Complex mode support"
diff --git a/drivers/phy/marvell/Kconfig b/drivers/phy/marvell/Kconfig
index 4240028..b5f69c0 100644
--- a/drivers/phy/marvell/Kconfig
+++ b/drivers/phy/marvell/Kconfig
@@ -1,6 +1,5 @@
 config MVEBU_COMPHY_SUPPORT
 	bool "ComPhy SerDes driver"
-	default n
 	help
 	  Choose this option to add support
 	  for Comphy driver.
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index c5fbf1f..26257a7 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -248,7 +248,6 @@ endchoice
 config AXP_ALDO3_INRUSH_QUIRK
 	bool "axp pmic (a)ldo3 inrush quirk"
 	depends on AXP209_POWER
-	default n
 	---help---
 	The reference design denotes a value of 4.7 uF for the output capacitor
 	of LDO3. Some boards have too high capacitance causing 	an inrush current
@@ -357,7 +356,6 @@ config AXP_FLDO3_VOLT
 config AXP_SW_ON
 	bool "axp pmic sw on"
 	depends on AXP809_POWER || AXP818_POWER
-	default n
 	---help---
 	Enable to turn on axp pmic sw.
 
diff --git a/drivers/ram/aspeed/Kconfig b/drivers/ram/aspeed/Kconfig
index 049b9dc..576d5af 100644
--- a/drivers/ram/aspeed/Kconfig
+++ b/drivers/ram/aspeed/Kconfig
@@ -3,7 +3,6 @@ if RAM || SPL_RAM
 config ASPEED_DDR4_DUALX8
 	bool "Enable Dual X8 DDR4 die"
 	depends on DM && OF_CONTROL && ARCH_ASPEED
-	default n
 	help
 		Say Y if dual X8 DDR4 die is used on the board.  The aspeed ddr sdram
 		controller needs to know if the memory chip mounted on the board is dual
@@ -42,14 +41,12 @@ endchoice
 
 config ASPEED_BYPASS_SELFTEST
 	bool "bypass self test during DRAM initialization"
-	default n
 	help
 	  Say Y here to bypass DRAM self test to speed up the boot time
 
 config ASPEED_ECC
 	bool "aspeed SDRAM error correcting code"
 	depends on DM && OF_CONTROL && ARCH_ASPEED
-	default n
 	help
 	  enable SDRAM ECC function
 
diff --git a/drivers/ram/octeon/Kconfig b/drivers/ram/octeon/Kconfig
index eb5a120..f199572 100644
--- a/drivers/ram/octeon/Kconfig
+++ b/drivers/ram/octeon/Kconfig
@@ -1,7 +1,6 @@
 config RAM_OCTEON
 	bool "Ram drivers for Octeon SoCs"
 	depends on RAM && ARCH_OCTEON
-	default n
 	help
 	 This enables support for RAM drivers for Octeon SoCs.
 
@@ -9,7 +8,6 @@ if RAM_OCTEON
 
 config RAM_OCTEON_DDR4
 	bool "Octeon III DDR4 RAM support"
-	default n
 	help
 	 This enables support for DDR4 RAM suppoort for Octeon III.  This does
 	 not include support for Octeon CN70XX.
diff --git a/drivers/ram/stm32mp1/Kconfig b/drivers/ram/stm32mp1/Kconfig
index 2fd8c7b..1aaf064 100644
--- a/drivers/ram/stm32mp1/Kconfig
+++ b/drivers/ram/stm32mp1/Kconfig
@@ -23,7 +23,6 @@ config STM32MP1_DDR_INTERACTIVE
 config STM32MP1_DDR_INTERACTIVE_FORCE
 	bool "STM32MP1 DDR driver : force interactive mode"
 	depends on STM32MP1_DDR_INTERACTIVE
-	default n
 	help
 		force interactive mode in STM32MP1 DDR controller driver
 		skip the polling of character 'd' in console
diff --git a/drivers/reboot-mode/Kconfig b/drivers/reboot-mode/Kconfig
index ac67bfc..63ea18c 100644
--- a/drivers/reboot-mode/Kconfig
+++ b/drivers/reboot-mode/Kconfig
@@ -9,7 +9,6 @@ menu "Reboot Mode Support"
 config DM_REBOOT_MODE
 	bool "Enable reboot mode using Driver Model"
 	depends on DM
-	default n
 	help
 		Enable support for reboot mode control. This will allow users to
 		adjust the boot process based on reboot mode parameter
@@ -18,7 +17,6 @@ config DM_REBOOT_MODE
 config DM_REBOOT_MODE_GPIO
 	bool "Use GPIOs as reboot mode backend"
 	depends on DM_REBOOT_MODE
-	default n
 	help
 		Use GPIOs to control the reboot mode. This will allow users to boot
 		a device in a specific mode by using a GPIO that can be controlled
@@ -27,7 +25,6 @@ config DM_REBOOT_MODE_GPIO
 config DM_REBOOT_MODE_RTC
 	bool "Use RTC as reboot mode backend"
 	depends on DM_REBOOT_MODE
-	default n
 	help
 		Use RTC non volatile memory to control the reboot mode. This will allow users to boot
 		a device in a specific mode by using a register(s) that can be controlled
diff --git a/drivers/rng/Kconfig b/drivers/rng/Kconfig
index 94915d4..b1c5ab9 100644
--- a/drivers/rng/Kconfig
+++ b/drivers/rng/Kconfig
@@ -34,14 +34,12 @@ config RNG_MSM
 config RNG_STM32MP1
 	bool "Enable random number generator for STM32MP1"
 	depends on ARCH_STM32MP
-	default n
 	help
 	  Enable STM32MP1 rng driver.
 
 config RNG_ROCKCHIP
 	bool "Enable random number generator for rockchip crypto rng"
 	depends on ARCH_ROCKCHIP && DM_RNG
-	default n
 	help
 	  Enable random number generator for rockchip.This driver is
 	  support rng module of crypto v1 and crypto v2.
@@ -49,7 +47,6 @@ config RNG_ROCKCHIP
 config RNG_IPROC200
 	bool "Broadcom iProc RNG200 random number generator"
 	depends on DM_RNG
-	default n
 	help
 	  Enable random number generator for RPI4.
 endif
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 93348c0..c972408 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -137,7 +137,6 @@ config SERIAL_SEARCH_ALL
 config SERIAL_PROBE_ALL
 	bool "Probe all available serial devices"
 	depends on DM_SERIAL
-	default n
 	help
 	  The serial subsystem only probes for a single serial device,
 	  but does not probe for other remaining serial devices.
@@ -621,7 +620,6 @@ config FSL_LPUART
 
 config MVEBU_A3700_UART
 	bool "UART support for Armada 3700"
-	default n
 	help
 	  Choose this option to add support for UART driver on the Marvell
 	  Armada 3700 SoC. The base address is configured via DT.
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 427b360..8957bb5 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -146,7 +146,6 @@ config USB_EHCI_MARVELL
 config USB_EHCI_MX5
 	bool "Support for i.MX5 on-chip EHCI USB controller"
 	depends on ARCH_MX5
-	default n
 	help
 	  Enables support for the on-chip EHCI controller on i.MX5 SoCs.
 
@@ -195,7 +194,6 @@ config USB_EHCI_MSM
 	depends on DM_USB
 	select USB_ULPI_VIEWPORT
 	select MSM8916_USB_PHY
-	default n
 	---help---
 	  Enables support for the on-chip EHCI controller on Qualcomm
 	  Snapdragon SoCs.
@@ -222,13 +220,11 @@ config USB_EHCI_GENERIC
 	bool "Support for generic EHCI USB controller"
 	depends on DM_USB
 	default ARCH_SUNXI
-	default n
 	---help---
 	  Enables support for generic EHCI controller.
 
 config USB_EHCI_FSL
 	bool  "Support for FSL on-chip EHCI USB controller"
-	default n
 	select  CONFIG_EHCI_HCD_INIT_AFTER_RESET
 	---help---
 	  Enables support for the on-chip EHCI controller on FSL chips.
diff --git a/drivers/usb/musb-new/Kconfig b/drivers/usb/musb-new/Kconfig
index a9a7c26..6dd830c 100644
--- a/drivers/usb/musb-new/Kconfig
+++ b/drivers/usb/musb-new/Kconfig
@@ -34,7 +34,6 @@ config USB_MUSB_TI
 	bool "Enable TI OTG USB controller"
 	depends on AM33XX
 	select USB_MUSB_DSPS
-	default n
 	help
 	  Say y here to enable support for the dual role high
 	  speed USB controller based on the Mentor Graphics
@@ -53,7 +52,6 @@ config USB_MUSB_DSPS
 config USB_MUSB_MT85XX
 	bool "Enable Mediatek MT85XX DRC USB controller"
 	depends on ARCH_MEDIATEK
-	default n
 	help
 	  Say y to enable Mediatek MT85XX USB DRC controller support
 	  if it is available on your Mediatek MUSB IP based platform.
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 8b940d7..b1f8a9c 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -259,7 +259,6 @@ config VIDEO_EFI
 
 config VIDEO_VESA
 	bool "Enable VESA video driver support"
-	default n
 	help
 	  Turn on this option to enable a very simple driver which uses vesa
 	  to discover the video mode and then provides a frame buffer for use
@@ -406,7 +405,6 @@ config FRAMEBUFFER_VESA_MODE
 
 config VIDEO_LCD_ANX9804
 	bool "ANX9804 bridge chip"
-	default n
 	---help---
 	Support for the ANX9804 bridge chip, which can take pixel data coming
 	from a parallel LCD interface and translate it on the fy into a DP
@@ -416,7 +414,6 @@ config VIDEO_LCD_ORISETECH_OTM8009A
 	bool "OTM8009A DSI LCD panel support"
 	depends on DM_VIDEO
 	select VIDEO_MIPI_DSI
-	default n
 	help
 	Say Y here if you want to enable support for Orise Technology
 	otm8009a 480x800 dsi 2dl panel.
@@ -425,14 +422,12 @@ config VIDEO_LCD_RAYDIUM_RM68200
 	bool "RM68200 DSI LCD panel support"
 	depends on DM_VIDEO
 	select VIDEO_MIPI_DSI
-	default n
 	help
 	Say Y here if you want to enable support for Raydium RM68200
 	720x1280 DSI video mode panel.
 
 config VIDEO_LCD_SSD2828
 	bool "SSD2828 bridge chip"
-	default n
 	---help---
 	Support for the SSD2828 bridge chip, which can take pixel data coming
 	from a parallel LCD interface and translate it on the fly into MIPI DSI
@@ -463,14 +458,12 @@ config VIDEO_LCD_TDO_TL070WSH30
 	bool "TDO TL070WSH30 DSI LCD panel support"
 	depends on DM_VIDEO
 	select VIDEO_MIPI_DSI
-	default n
 	help
 	Say Y here if you want to enable support for TDO TL070WSH30
 	1024x600 DSI video mode panel.
 
 config VIDEO_LCD_HITACHI_TX18D42VM
 	bool "Hitachi tx18d42vm LVDS LCD panel support"
-	default n
 	---help---
 	Support for Hitachi tx18d42vm LVDS LCD panels, these panels have a
 	lcd controller which needs to be initialized over SPI, once that is
@@ -523,7 +516,6 @@ source "drivers/video/meson/Kconfig"
 
 config VIDEO_MVEBU
 	bool "Armada XP LCD controller"
-	default n
 	---help---
 	Support for the LCD controller integrated in the Marvell
 	Armada XP SoC.
@@ -536,14 +528,12 @@ config VIDEO_OMAP3
 
 config I2C_EDID
 	bool "Enable EDID library"
-	default n
 	help
 	   This enables library for accessing EDID data from an LCD panel.
 
 config DISPLAY
 	bool "Enable Display support"
 	depends on DM
-	default n
 	select I2C_EDID
 	help
 	   This supports drivers that provide a display, such as eDP (Embedded
@@ -554,7 +544,6 @@ config DISPLAY
 config NXP_TDA19988
 	bool "Enable NXP TDA19988 support"
 	depends on DISPLAY
-	default n
 	help
 	  This enables support for the NXP TDA19988 HDMI encoder. This encoder
 	  will convert RGB data streams into HDMI-encoded signals.
@@ -868,7 +857,6 @@ config VIDEO_MCDE_SIMPLE
 config OSD
 	bool "Enable OSD support"
 	depends on DM
-	default n
 	help
 	   This supports drivers that provide a OSD (on-screen display), which
 	   is a (usually text-oriented) graphics buffer to show information on
@@ -1008,7 +996,6 @@ config BMP_32BPP
 
 config VIDEO_VCXK
 	bool "Enable VCXK video controller driver support"
-	default n
 	help
 	  This enables VCXK driver which can be used with VC2K, VC4K
 	  and VC8K devices on various boards from BuS Elektronik GmbH.
diff --git a/drivers/w1/Kconfig b/drivers/w1/Kconfig
index 031bab2..a2c5108 100644
--- a/drivers/w1/Kconfig
+++ b/drivers/w1/Kconfig
@@ -6,7 +6,6 @@ menu "1-Wire support"
 
 config W1
 	bool "Enable 1-wire controllers support"
-	default no
 	depends on DM
 	help
 	  Support for the Dallas 1-Wire bus.
@@ -15,14 +14,12 @@ if W1
 
 config W1_GPIO
 	bool "Enable 1-wire GPIO bitbanging"
-	default no
 	depends on DM_GPIO
 	help
 	  Emulate a 1-wire bus using a GPIO.
 
 config W1_MXC
 	bool "Enable 1-wire controller on i.MX processors"
-	default no
 	depends on ARCH_MX25 || ARCH_MX31 || ARCH_MX5
 	help
 	  Support the one wire controller found in some members of the NXP
diff --git a/env/Kconfig b/env/Kconfig
index 760e625..f75f2b1 100644
--- a/env/Kconfig
+++ b/env/Kconfig
@@ -685,7 +685,6 @@ config ENV_FDT_PATH
 
 config ENV_APPEND
 	bool "Always append the environment with new data"
-	default n
 	help
 	  If defined, the environment hash table is only ever appended with new
 	  data, but the existing hash table can never be dropped and reloaded
@@ -694,7 +693,6 @@ config ENV_APPEND
 
 config ENV_WRITEABLE_LIST
 	bool "Permit write access only to listed variables"
-	default n
 	help
 	  If defined, only environment variables which explicitly set the 'w'
 	  writeable flag can be written and modified at runtime. No variables
@@ -702,7 +700,6 @@ config ENV_WRITEABLE_LIST
 
 config ENV_ACCESS_IGNORE_FORCE
 	bool "Block forced environment operations"
-	default n
 	help
 	  If defined, don't allow the -f switch to env set override variable
 	  access flags.
diff --git a/lib/Kconfig b/lib/Kconfig
index c535147..47f82f7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -92,7 +92,6 @@ config TPL_SPRINTF
 
 config SSCANF
 	bool
-	default n
 
 config STRTO
 	bool
@@ -348,7 +347,6 @@ menu "Android Verified Boot"
 config LIBAVB
 	bool "Android Verified Boot 2.0 support"
 	depends on ANDROID_BOOT_IMAGE
-	default n
 	help
 	  This enables support of Android Verified Boot 2.0 which can be used
 	  to assure the end user of the integrity of the software running on a
@@ -773,7 +771,6 @@ endmenu
 
 config PHANDLE_CHECK_SEQ
 	bool "Enable phandle check while getting sequence number"
-	default n
 	help
 	  When there are multiple device tree nodes with same name,
           enable this config option to distinguish them using
diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index dacc3b5..0e5231b 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -38,7 +38,6 @@ config CMD_BOOTEFI_BOOTMGR
 
 config EFI_SETUP_EARLY
 	bool
-	default n
 
 choice
 	prompt "Store for non-volatile UEFI variables"
@@ -112,7 +111,6 @@ config EFI_SET_TIME
 	bool "SetTime() runtime service"
 	depends on EFI_GET_TIME
 	default y if ARCH_QEMU || SANDBOX
-	default n
 	help
 	  Provide the SetTime() runtime service at boottime. This service
 	  can be used by an EFI application to adjust the real time clock.
@@ -122,7 +120,6 @@ config EFI_HAVE_CAPSULE_SUPPORT
 
 config EFI_RUNTIME_UPDATE_CAPSULE
 	bool "UpdateCapsule() runtime service"
-	default n
 	select EFI_HAVE_CAPSULE_SUPPORT
 	help
 	  Select this option if you want to use UpdateCapsule and
@@ -131,7 +128,6 @@ config EFI_RUNTIME_UPDATE_CAPSULE
 config EFI_CAPSULE_ON_DISK
 	bool "Enable capsule-on-disk support"
 	select EFI_HAVE_CAPSULE_SUPPORT
-	default n
 	help
 	  Select this option if you want to use capsule-on-disk feature,
 	  that is, capsules can be fetched and executed from files
@@ -141,7 +137,6 @@ config EFI_CAPSULE_ON_DISK
 config EFI_IGNORE_OSINDICATIONS
 	bool "Ignore OsIndications for CapsuleUpdate on-disk"
 	depends on EFI_CAPSULE_ON_DISK
-	default n
 	help
 	  There are boards where U-Boot does not support SetVariable at runtime.
 	  Select this option if you want to use the capsule-on-disk feature
@@ -151,7 +146,6 @@ config EFI_IGNORE_OSINDICATIONS
 config EFI_CAPSULE_ON_DISK_EARLY
 	bool "Initiate capsule-on-disk at U-Boot boottime"
 	depends on EFI_CAPSULE_ON_DISK
-	default n
 	select EFI_SETUP_EARLY
 	help
 	  Normally, without this option enabled, capsules will be
@@ -162,7 +156,6 @@ config EFI_CAPSULE_ON_DISK_EARLY
 
 config EFI_CAPSULE_FIRMWARE
 	bool
-	default n
 
 config EFI_CAPSULE_FIRMWARE_MANAGEMENT
 	bool "Capsule: Firmware Management Protocol"
@@ -209,7 +202,6 @@ config EFI_CAPSULE_AUTHENTICATE
 	select PKCS7_VERIFY
 	select IMAGE_SIGN_INFO
 	select EFI_SIGNATURE_SUPPORT
-	default n
 	help
 	  Select this option if you want to enable capsule
 	  authentication
@@ -277,7 +269,6 @@ endif
 config EFI_LOADER_BOUNCE_BUFFER
 	bool "EFI Applications use bounce buffers for DMA operations"
 	depends on ARM64
-	default n
 	help
 	  Some hardware does not support DMA to full 64bit addresses. For this
 	  hardware we can create a bounce buffer so that payloads don't have to
@@ -364,7 +355,6 @@ config EFI_SECURE_BOOT
 	select PKCS7_MESSAGE_PARSER
 	select PKCS7_VERIFY
 	select EFI_SIGNATURE_SUPPORT
-	default n
 	help
 	  Select this option to enable EFI secure boot support.
 	  Once SecureBoot mode is enforced, any EFI binary can run only if
diff --git a/lib/optee/Kconfig b/lib/optee/Kconfig
index c398f9b..3290b66 100644
--- a/lib/optee/Kconfig
+++ b/lib/optee/Kconfig
@@ -34,7 +34,6 @@ config BOOTM_OPTEE
 	bool "Support OPTEE bootm command"
 	select BOOTM_LINUX
 	depends on OPTEE
-	default n
 	help
 	  Select this command to enable chain-loading of a Linux kernel
 	  via an OPTEE firmware.
diff --git a/net/Kconfig b/net/Kconfig
index ba0ca81..7a2d145 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -40,7 +40,6 @@ config NETCONSOLE
 
 config IP_DEFRAG
 	bool "Support IP datagram reassembly"
-	default n
 	help
 	  Selecting this will enable IP datagram reassembly according
 	  to the algorithm in RFC815.