diff --git a/Kconfig b/Kconfig
index 6c756199..085660d5 100644
--- a/Kconfig
+++ b/Kconfig
@@ -42,11 +42,9 @@ choice
 
 config COMPILER_HIMIX_32
     bool "arm-linux-ohoseabi"
-    depends on PLATFORM_HI3518EV300 || PLATFORM_HI3516DV300 || PLATFORM_QEMU_ARM_VIRT_CA7
 
 config COMPILER_CLANG_LLVM
     bool "clang-llvm"
-    depends on PLATFORM_HI3518EV300 || PLATFORM_HI3516DV300 || PLATFORM_QEMU_ARM_VIRT_CA7
 
 endchoice
 endmenu
@@ -281,13 +279,6 @@ config VM_OVERLAP_CHECK
     help
       Answer Y to enable vm overlap check.
 
-config NULL_ADDRESS_PROTECT
-    bool "Enable NULL Address protect"
-    default n
-    depends on (PLATFORM_HI3518EV200 || PLATFORM_HI3516CV300 || PLATFORM_HI3518EV300 || PLATFORM_HI3516DV300 || PLATFORM_QEMU_ARM_VIRT_CA7) && DEBUG_VERSION
-    help
-      Answer Y to set mem address 0~1M prohibit to access, read or write will trigger exception.
-
 endmenu
 
 ######################## config options os drivers ########################
diff --git a/tools/build/config/debug/hispark_aries.config b/tools/build/config/debug/hispark_aries.config
index 772b3f04..13235789 100644
--- a/tools/build/config/debug/hispark_aries.config
+++ b/tools/build/config/debug/hispark_aries.config
@@ -12,7 +12,6 @@ LOSCFG_DEBUG_VERSION=y
 LOSCFG_SHELL_DMESG=y
 LOSCFG_USER_INIT_DEBUG=y
 LOSCFG_SHELL_CMD_DEBUG=y
-LOSCFG_NULL_ADDRESS_PROTECT=y
 LOSCFG_DRIVERS_USB_HOST_XHCI=y
 LOSCFG_DRIVERS_USB_ETHERNET=y
 LOSCFG_DRIVERS_USB_WIRELESS=y
diff --git a/tools/build/config/debug/hispark_aries_clang.config b/tools/build/config/debug/hispark_aries_clang.config
index ad900b69..f5e566fc 100644
--- a/tools/build/config/debug/hispark_aries_clang.config
+++ b/tools/build/config/debug/hispark_aries_clang.config
@@ -11,7 +11,6 @@ LOSCFG_DEBUG_VERSION=y
 LOSCFG_SHELL_DMESG=y
 LOSCFG_USER_INIT_DEBUG=y
 LOSCFG_SHELL_CMD_DEBUG=y
-LOSCFG_NULL_ADDRESS_PROTECT=y
 LOSCFG_DRIVERS_USB_HOST_XHCI=y
 LOSCFG_DRIVERS_USB_ETHERNET=y
 LOSCFG_DRIVERS_USB_WIRELESS=y
diff --git a/tools/build/config/debug/ipcamera_hi3518ev300_liteos.config b/tools/build/config/debug/ipcamera_hi3518ev300_liteos.config
index 655891d1..6402dc33 100644
--- a/tools/build/config/debug/ipcamera_hi3518ev300_liteos.config
+++ b/tools/build/config/debug/ipcamera_hi3518ev300_liteos.config
@@ -12,7 +12,6 @@ LOSCFG_DEBUG_VERSION=y
 LOSCFG_SHELL_DMESG=y
 LOSCFG_USER_INIT_DEBUG=y
 LOSCFG_SHELL_CMD_DEBUG=y
-LOSCFG_NULL_ADDRESS_PROTECT=y
 LOSCFG_DRIVERS_USB_HOST_XHCI=y
 LOSCFG_DRIVERS_USB_ETHERNET=y
 LOSCFG_DRIVERS_USB_WIRELESS=y
diff --git a/tools/build/config/debug/ipcamera_hi3518ev300_liteos_clang.config b/tools/build/config/debug/ipcamera_hi3518ev300_liteos_clang.config
index 5c9f4535..fb7eb294 100644
--- a/tools/build/config/debug/ipcamera_hi3518ev300_liteos_clang.config
+++ b/tools/build/config/debug/ipcamera_hi3518ev300_liteos_clang.config
@@ -10,7 +10,6 @@ LOSCFG_DEBUG_VERSION=y
 LOSCFG_SHELL_DMESG=y
 LOSCFG_USER_INIT_DEBUG=y
 LOSCFG_SHELL_CMD_DEBUG=y
-LOSCFG_NULL_ADDRESS_PROTECT=y
 LOSCFG_DRIVERS_USB_HOST_XHCI=y
 LOSCFG_DRIVERS_USB_ETHERNET=y
 LOSCFG_DRIVERS_USB_WIRELESS=y
diff --git a/tools/build/config/hispark_aries_debug_shell.config b/tools/build/config/hispark_aries_debug_shell.config
index 772b3f04..13235789 100644
--- a/tools/build/config/hispark_aries_debug_shell.config
+++ b/tools/build/config/hispark_aries_debug_shell.config
@@ -12,7 +12,6 @@ LOSCFG_DEBUG_VERSION=y
 LOSCFG_SHELL_DMESG=y
 LOSCFG_USER_INIT_DEBUG=y
 LOSCFG_SHELL_CMD_DEBUG=y
-LOSCFG_NULL_ADDRESS_PROTECT=y
 LOSCFG_DRIVERS_USB_HOST_XHCI=y
 LOSCFG_DRIVERS_USB_ETHERNET=y
 LOSCFG_DRIVERS_USB_WIRELESS=y
diff --git a/tools/build/config/ipcamera_hi3518ev300_liteos_debug_shell.config b/tools/build/config/ipcamera_hi3518ev300_liteos_debug_shell.config
index 6c0ea04f..b8c6883e 100644
--- a/tools/build/config/ipcamera_hi3518ev300_liteos_debug_shell.config
+++ b/tools/build/config/ipcamera_hi3518ev300_liteos_debug_shell.config
@@ -12,7 +12,6 @@ LOSCFG_DEBUG_VERSION=y
 LOSCFG_SHELL_DMESG=y
 LOSCFG_USER_INIT_DEBUG=y
 LOSCFG_SHELL_CMD_DEBUG=y
-LOSCFG_NULL_ADDRESS_PROTECT=y
 LOSCFG_DRIVERS_USB_HOST_XHCI=y
 LOSCFG_DRIVERS_USB_ETHERNET=y
 LOSCFG_DRIVERS_USB_WIRELESS=y
diff --git a/tools/build/mk/los_config.mk b/tools/build/mk/los_config.mk
index 91cf344e..dab51a79 100644
--- a/tools/build/mk/los_config.mk
+++ b/tools/build/mk/los_config.mk
@@ -487,10 +487,6 @@ ifeq ($(LOSCFG_3RDPARTY), y)
     -include $(LITEOSTOPDIR)/3rdParty/3rdParty.mk
 endif
 
-ifeq ($(LOSCFG_NULL_ADDRESS_PROTECT), y)
-    LITEOS_CMACRO += -DLOSCFG_NULL_ADDRESS_PROTECT
-endif
-
 ifeq ($(LOSCFG_KERNEL_SYSCALL), y)
 LITEOS_BASELIB += -lsyscall
 LIB_SUBDIRS += syscall