diff --git a/misc/acrn-config/board_config/board_cfg_gen.py b/misc/acrn-config/board_config/board_cfg_gen.py
index defd1bffb..d39041c2f 100755
--- a/misc/acrn-config/board_config/board_cfg_gen.py
+++ b/misc/acrn-config/board_config/board_cfg_gen.py
@@ -12,14 +12,13 @@ import board_c
 import pci_devices_h
 import acpi_platform_h
 import misc_cfg_h
-import ve820_c
 import new_board_kconfig
 
 ACRN_PATH = board_cfg_lib.SOURCE_ROOT_DIR
 ACRN_CONFIG = ACRN_PATH + "hypervisor/arch/x86/configs/"
 
 ACRN_DEFAULT_PLATFORM = ACRN_PATH + "hypervisor/include/arch/x86/default_acpi_info.h"
-GEN_FILE = ["pci_devices.h", "board.c", "_acpi_info.h", "misc_cfg.h", "ve820.c", ".config"]
+GEN_FILE = ["pci_devices.h", "board.c", "_acpi_info.h", "misc_cfg.h", ".config"]
 
 
 def need_gen_new_board_config(board_name):
@@ -76,14 +75,12 @@ def main(args):
     config_board = config_dirs[0] + '/' + GEN_FILE[1]
     config_platform = config_dirs[0] + '/' + board + GEN_FILE[2]
     config_misc_cfg = config_dirs[0] + '/' + GEN_FILE[3]
-    config_ve820 = config_dirs[0] + '/' + GEN_FILE[4]
-    config_board_kconfig = ACRN_CONFIG + board + GEN_FILE[5]
+    config_board_kconfig = ACRN_CONFIG + board + GEN_FILE[4]
 
     config_srcs.append(config_pci)
     config_srcs.append(config_board)
     config_srcs.append(config_platform)
     config_srcs.append(config_misc_cfg)
-    config_srcs.append(config_ve820)
     config_srcs.append(config_board_kconfig)
 
     # generate board.c
@@ -100,13 +97,7 @@ def main(args):
     with open(config_platform, 'w+') as config:
         acpi_platform_h.generate_file(config, ACRN_DEFAULT_PLATFORM)
 
-    # generate acpi_platform.h
-    with open(config_ve820, 'w+') as config:
-        err_dic = ve820_c.generate_file(config)
-        if err_dic:
-            return err_dic
-
-    # generate acpi_platform.h
+    # generate misc_cfg.h
     with open(config_misc_cfg, 'w+') as config:
         err_dic = misc_cfg_h.generate_file(config)
         if err_dic:
diff --git a/misc/acrn-config/board_config/ve820_c.py b/misc/acrn-config/board_config/ve820_c.py
deleted file mode 100644
index e77505be1..000000000
--- a/misc/acrn-config/board_config/ve820_c.py
+++ /dev/null
@@ -1,221 +0,0 @@
-# Copyright (C) 2019 Intel Corporation. All rights reserved.
-#
-# SPDX-License-Identifier: BSD-3-Clause
-#
-
-import sys
-import board_cfg_lib
-
-FOUR_GBYTE = 4 * 1024 * 1024 * 1024
-LOW_MEM_TO_PCI_HOLE = 0x20000000
-
-
-def ve820_per_launch(config, hpa_size, hpa2_size):
-    """
-    Start to generate board.c
-    :param config: it is a file pointer of board information for writing to
-    """
-    (err_dic, board_name) = board_cfg_lib.get_board_name()
-    if err_dic:
-        return err_dic
-
-    board_name = board_cfg_lib.undline_name(board_name)
-    pre_vm_cnt = board_cfg_lib.get_pre_launch_cnt(board_cfg_lib.SCENARIO_INFO_FILE)
-
-    low_mem_to_pci_hole_len = '0xA0000000'
-    low_mem_to_pci_hole = '0x20000000'
-    pci_hole_addr = '0xe0000000'
-    pci_hole_len = '0x20000000'
-    start_low_hpa = 0x100000
-    low_mem_hpa_len = []
-    high_mem_hpa_len = []
-    high_mem_hpa2_len = []
-    high_mem_hpa2_addr = []
-
-    # pre_launch memroy: mem_size is the ve820 length
-    print("#include <e820.h>", file=config)
-    print("#include <vm.h>", file=config)
-    print("", file=config)
-
-    for i in range(pre_vm_cnt):
-        if (int(hpa_size[i], 16) <= 512 * 1024 * 1024):
-               low_mem_hpa_len.append(int(hpa_size[i], 16) - 1 * 1024 * 1024)
-               high_mem_hpa_len.append(0)
-        else:
-            low_mem_hpa_len.append(511 * 1024 * 1024)
-            high_mem_hpa_len.append(int(hpa_size[i], 16) - 512 * 1024 * 1024)
-
-        if len(hpa2_size) == 0:
-            high_mem_hpa2_len.append(0)
-        else:
-            high_mem_hpa2_len.append(int(hpa2_size[i], 16))
-
-        #HPA2 is always allocated in >4G space.
-        if (high_mem_hpa_len[i] != 0) and (high_mem_hpa2_len[i] != 0):
-            high_mem_hpa2_addr.append(FOUR_GBYTE + high_mem_hpa_len[i])
-        else:
-            high_mem_hpa2_addr.append(FOUR_GBYTE)
-
-        if (high_mem_hpa_len[i] != 0) and (high_mem_hpa2_len[i] != 0):
-            print("#define VM{}_VE820_ENTRIES_{}\t{}U".format(i, board_name, 7), file=config)
-        elif (high_mem_hpa_len[i] != 0) or (high_mem_hpa2_len[i] != 0):
-            print("#define VM{}_VE820_ENTRIES_{}\t{}U".format(i, board_name, 6), file=config)
-        else:
-            print("#define VM{}_VE820_ENTRIES_{}\t{}U".format(i, board_name, 5), file=config)
-
-    for i in range(pre_vm_cnt):
-        print("static const struct e820_entry vm{}_ve820_entry[{}] = {{".format(
-            i, "VM{}_VE820_ENTRIES_{}".format(i, board_name)), file=config)
-        print("\t{\t/* usable RAM under 1MB */", file=config)
-        print("\t\t.baseaddr = 0x0UL,", file=config)
-        print("\t\t.length   = 0xF0000UL,\t\t/* 960KB */", file=config)
-        print("\t\t.type     = E820_TYPE_RAM", file=config)
-        print("\t},", file=config)
-        print("", file=config)
-        print("\t{\t/* mptable */", file=config)
-        print("\t\t.baseaddr = 0xF0000UL,\t\t/* 960KB */", file=config)
-        print("\t\t.length   = 0x10000UL,\t\t/* 64KB */", file=config)
-        print("\t\t.type     = E820_TYPE_RESERVED", file=config)
-        print("\t},", file=config)
-        print("", file=config)
-
-        print("\t{\t/* lowmem */", file=config)
-
-        print("\t\t.baseaddr = {}UL,\t\t/* 1MB */".format(
-            hex(start_low_hpa)), file=config)
-        print("\t\t.length   = {}UL,\t/* {}MB */".format(
-            hex(low_mem_hpa_len[i]), low_mem_hpa_len[i] / 1024 / 1024), file=config)
-
-        print("\t\t.type     = E820_TYPE_RAM", file=config)
-        print("\t},", file=config)
-        print("", file=config)
-
-        print("\t{\t/* between lowmem and PCI hole */", file=config)
-        print("\t\t.baseaddr = {}UL,\t/* {}MB */".format(
-            low_mem_to_pci_hole, int(low_mem_to_pci_hole, 16) / 1024 / 1024), file=config)
-        print("\t\t.length   = {}UL,\t/* {}MB */".format(
-            low_mem_to_pci_hole_len, int(low_mem_to_pci_hole_len, 16) / 1024 / 1024), file=config)
-        print("\t\t.type     = E820_TYPE_RESERVED", file=config)
-        print("\t},", file=config)
-        print("", file=config)
-        print("\t{\t/* between PCI hole and 4 GB */", file=config)
-        print("\t\t.baseaddr = {}UL,\t/* {}GB */".format(
-            hex(int(pci_hole_addr, 16)), int(pci_hole_addr, 16) / 1024 / 1024 / 1024), file=config)
-        print("\t\t.length   = {}UL,\t/* {}MB */".format(
-            hex(int(pci_hole_len, 16)), int(pci_hole_len, 16) / 1024 / 1024), file=config)
-        print("\t\t.type     = E820_TYPE_RESERVED", file=config)
-        print("\t},", file=config)
-        print("", file=config)
-        if (high_mem_hpa_len[i] != 0) and (high_mem_hpa2_len[i] != 0):
-            print("\t{\t/* high mem after 4GB*/", file=config)
-            print("\t\t.baseaddr = {}UL,\t/* 4 GB */".format(
-                hex(FOUR_GBYTE)), file=config)
-            print("\t\t.length   = {}UL,\t/* {}MB */".format(
-                hex(high_mem_hpa_len[i]), high_mem_hpa_len[i] / 1024 / 1024), file=config)
-            print("\t\t.type     = E820_TYPE_RAM", file=config)
-            print("\t},", file=config)
-            print("", file=config)
-            print("\t{\t/* HPA2 after high mem*/", file=config)
-            print("\t\t.baseaddr = {}UL,\t/* {}GB */".format(
-                hex(high_mem_hpa2_addr[i]), high_mem_hpa2_addr[i] / 1024 / 1024 / 1024), file=config)
-            print("\t\t.length   = {}UL,\t/* {}MB */".format(
-                hex(high_mem_hpa2_len[i]), high_mem_hpa2_len[i] / 1024 / 1024), file=config)
-            print("\t\t.type     = E820_TYPE_RAM", file=config)
-            print("\t},", file=config)
-            print("", file=config)
-        elif (high_mem_hpa_len[i] != 0):
-            print("\t{\t/* high mem after 4GB*/", file=config)
-            print("\t\t.baseaddr = {}UL,\t/* 4 GB */".format(
-                hex(FOUR_GBYTE)), file=config)
-            print("\t\t.length   = {}UL,\t/* {}MB */".format(
-                hex(high_mem_hpa_len[i]), high_mem_hpa_len[i] / 1024 / 1024), file=config)
-            print("\t\t.type     = E820_TYPE_RAM", file=config)
-            print("\t},", file=config)
-            print("", file=config)
-        elif(high_mem_hpa2_len[i] != 0):
-            print("\t{\t/* HPA2 after 4GB*/", file=config)
-            print("\t\t.baseaddr = {}UL,\t/* 4 GB */".format(
-                hex(FOUR_GBYTE)), file=config)
-            print("\t\t.length   = {}UL,\t/* {}MB */".format(
-                hex(high_mem_hpa2_len[i]), high_mem_hpa2_len[i] / 1024 / 1024), file=config)
-            print("\t\t.type     = E820_TYPE_RAM", file=config)
-            print("\t},", file=config)
-            print("", file=config)
-        print("};", file=config)
-        print("", file=config)
-
-    print("/**", file=config)
-    print(" * @pre vm != NULL", file=config)
-    print("*/", file=config)
-    print("void create_prelaunched_vm_e820(struct acrn_vm *vm)", file=config)
-    print("{", file=config)
-    for i in range(pre_vm_cnt):
-        print("\tif (vm->vm_id == {}U)".format(hex(i)), file=config)
-        print("\t{", file=config)
-        print("\t\tvm->e820_entry_num = VM{}_VE820_ENTRIES_{};".format(i, board_name), file=config)
-        print("\t\tvm->e820_entries = vm{}_ve820_entry;".format(i), file=config)
-        print("\t}", file=config)
-        print("", file=config)
-
-    print("}", file=config)
-
-    return err_dic
-
-
-def non_ve820_pre_launch(config):
-    """
-    This is none pre launch vm setting
-    :param config:
-    :return:
-    """
-    print("#include <e820.h>", file=config)
-    print("#include <vm.h>", file=config)
-    print("/**", file=config)
-    print(" * @pre vm != NULL", file=config)
-    print("*/", file=config)
-    print("void create_prelaunched_vm_e820(struct acrn_vm *vm)", file=config)
-    print("{", file=config)
-    print("\tvm->e820_entry_num = 0;", file=config)
-    print("\tvm->e820_entries = NULL;", file=config)
-    print("}", file=config)
-
-
-def generate_file(config):
-    """Start to generate board.c
-    :param config: it is a file pointer of board information for writing to
-    """
-    err_dic = {}
-    print("{0}".format(board_cfg_lib.HEADER_LICENSE), file=config)
-    pre_vm_cnt = board_cfg_lib.get_pre_launch_cnt(board_cfg_lib.SCENARIO_INFO_FILE)
-
-    # read mem size from scenario.xml
-    hpa_size_list = board_cfg_lib.get_sub_leaf_tag(
-        board_cfg_lib.SCENARIO_INFO_FILE, "memory", "size")
-    ret = board_cfg_lib.is_hpa_size(hpa_size_list)
-    if not ret:
-        board_cfg_lib.print_red("Unknow type of host physical address size", err=True)
-        err_dic['board config: generate ve820.c failed'] = "Unknow type of host physical address size"
-        return err_dic
-
-    # read HPA2 mem size from scenario.xml
-    hpa2_size_list = board_cfg_lib.get_sub_leaf_tag(
-        board_cfg_lib.SCENARIO_INFO_FILE, "memory", "size_hpa2")
-    ret = board_cfg_lib.is_hpa_size(hpa2_size_list)
-    if not ret:
-        board_cfg_lib.print_red("Unknow type of second host physical address size", err=True)
-        err_dic['board config: generate ve820.c failed'] = "Unknow type of second host physical address size"
-        return err_dic
-
-    # HPA size for both VMs should have valid length.
-    for i in range(pre_vm_cnt):
-        if hpa_size_list[i] == '0x0' or hpa_size_list[i] == '0X0':
-            board_cfg_lib.print_red("HPA size should not be zero", err=True)
-            err_dic['board config: generate ve820.c failed'] = "HPA size should not be zero"
-            return err_dic
-
-    if pre_vm_cnt != 0:
-        err_dic = ve820_per_launch(config, hpa_size_list, hpa2_size_list)
-    else:
-        non_ve820_pre_launch(config)
-
-    return err_dic