diff --git a/Kconfig b/Kconfig
index 9086736499ebf210671cbb1d700191ec8efbef09..8bce98607d0747d8992bae69abdeab6c2628441b 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
@@ -282,13 +280,6 @@ 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 772b3f04d4eed15c0d311c4d15987eed84f96be3..132357898a4a4111574b87520b4d56202bfcc4f9 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 ad900b693774565778f7d3392b26f0fb1531fbb5..f5e566fc94796affe182e23c0ee3e4f6d76de9c7 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 655891d1fdbedb12769796877d51f1240f639141..6402dc33798ff934d5abb4a1667536db2c535e74 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 5c9f45350bd1666032f8744e11da963611321c70..fb7eb2948fa8aab9fd24f789ff0efe1c87cda32b 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 772b3f04d4eed15c0d311c4d15987eed84f96be3..132357898a4a4111574b87520b4d56202bfcc4f9 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 6c0ea04f7df04033d3350259dee18f6988b2f3e2..b8c6883e9e9b2ae344e228f56f4d658af80274ff 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 563c73ba2a9f4e53e71bae8b229606fd7cc81162..5fc43ce784463f7b4cab6f588b12ff085d4b1bc8 100644
--- a/tools/build/mk/los_config.mk
+++ b/tools/build/mk/los_config.mk
@@ -492,10 +492,6 @@ 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