diff --git a/misc/packaging/acrn-hypervisor.preinst b/misc/packaging/acrn-hypervisor.preinst
deleted file mode 100644
index d5a77cb63..000000000
--- a/misc/packaging/acrn-hypervisor.preinst
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/bin/bash
-#* Copyright (c) 2020 Intel Corporation SPDX-License-Identifier: BSD-3-Clause
-# preinst script for acrn-hypervisor
-
-acrnnative=$(ls /sys/class/ |grep vhm || true)
-if [ -z "$acrnnative" ]
-then
-	echo "You are in ubuntu, let's pre-check whether fit acrn needs"
-else
-	echo "You are in acrn already, no need pre-check "
-	exit 0
-fi
-
-#check vt
-vtd=$(ls -al /sys/firmware/acpi/tables |grep DMAR || true)
-if [ -z "$vtd" ]
-then
-	echo "Error ! VT-d not enabled!"
-	echo "This CPU does not support VT-d or it's not enabled through BIOS settings"
-fi
-vtx=$(lscpu |grep VT-x)
-
-if [ -z "$vtx" ]
-then
-	echo "Error ! VT-x not enabled!"
-	echo "This CPU does not support VT-x or it's not enabled through BIOS settings"
-fi
-
-echo "VT-x/VT-d config is ok"
-
-#check cpu
-
-cputype=$(lscpu |awk '$1 == "Model"'|grep Core || true)
-if [ -z "$cputype" ]
-then
-	echo "CPU type not Core"
-	echo "Xeon Processors are not supported!"
-	echo "Warning ! ACRN may not support your hardware!"
-else
-	echo "cpu type is ok"
-fi
-
-
-#check memory
-totalmemry=200000000000
-
-wholememory=$(cat /proc/meminfo |grep MemTotal:|awk '{print $2}')
-
-if [[ $wholememory -gt $totalmemry ]]
-then
-        echo "Warning ! memory is greater than 16G, please rebuild hypervisor"
-        echo "if you had rebuild version please ignore"
-else
-	echo "memory is ok, $wholememory"
-fi
diff --git a/misc/packaging/gen_acrn_deb.py b/misc/packaging/gen_acrn_deb.py
index ef9e1f86c..f58afd568 100644
--- a/misc/packaging/gen_acrn_deb.py
+++ b/misc/packaging/gen_acrn_deb.py
@@ -104,7 +104,6 @@ def create_acrn_deb(board, scenario, version, build_dir):
     run_command('chmod +x ./build/acrn_release_deb/etc/grub.d/100_ACRN', cur_dir)
     run_command('chmod +x ./build/acrn_release_deb/DEBIAN/postinst', cur_dir)
     run_command('sed -i \'s/\r//\' ./build/acrn_release_deb/DEBIAN/postinst', cur_dir)
-    run_command('cp ./misc/packaging/acrn-hypervisor.preinst ./build/acrn_release_deb/DEBIAN/preinst', cur_dir)
     run_command('chmod +x ./build/acrn_release_deb/DEBIAN/preinst', cur_dir)
     run_command('sed -i \'s/\r//\' ./build/acrn_release_deb/DEBIAN/preinst', cur_dir)
 
diff --git a/misc/packaging/install_uSoS.py b/misc/packaging/install_uSoS.py
index 26cff3ab8..752a406b8 100644
--- a/misc/packaging/install_uSoS.py
+++ b/misc/packaging/install_uSoS.py
@@ -339,7 +339,6 @@ def create_acrn_deb():
 	add_cmd_list(cmd_list, 'chmod +x acrn_release_deb/DEBIAN/postinst', cur_dir)
 	add_cmd_list(cmd_list, 'sed -i \'s/\r//\' acrn_release_deb/DEBIAN/postinst', cur_dir)
 
-	add_cmd_list(cmd_list, 'cp acrn-hypervisor.preinst acrn_release_deb/DEBIAN/preinst', cur_dir)
 	add_cmd_list(cmd_list, 'chmod +x acrn_release_deb/DEBIAN/preinst', cur_dir)
 	add_cmd_list(cmd_list, 'sed -i \'s/\r//\' acrn_release_deb/DEBIAN/preinst', cur_dir)