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 @@
 
 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 SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.
 
@@ -136,14 +133,12 @@
 
 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 SYS_ICACHE_OFF
 	bool "Do not enable icache"
-	default n
 	help
 	  Do not enable instruction cache in U-Boot.
 
@@ -123,7 +122,6 @@
 
 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 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 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 @@
 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 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_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 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 @@
 
 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_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 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 @@
 
 config HAVE_MVEBU_EFUSE
 	bool
-	default n
 
 config ARMADA_32BIT
 	bool
@@ -311,14 +310,12 @@
 
 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 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 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 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 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 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 @@
 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 @@
 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 @@
 
 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_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_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_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_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 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 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 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 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 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_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_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 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_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_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 @@
 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 @@
 
 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 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 @@
 
 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 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 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_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 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 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 @@
 
 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_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_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 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 @@
 	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 @@
 
 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 SYS_DCACHE_OFF
 	bool "Do not enable dcache"
-	default n
 	help
 	  Do not enable data cache in U-Boot.