diff --git a/misc/packaging/acrn-hypervisor.postinst b/misc/packaging/acrn-hypervisor.postinst
index decd71c21..dd52919c5 100644
--- a/misc/packaging/acrn-hypervisor.postinst
+++ b/misc/packaging/acrn-hypervisor.postinst
@@ -114,12 +114,6 @@ partuuid=$(echo ${str##*PARTUUID=})
 filename="/etc/grub.d/40_custom"
 
 kernelimg=$(grep module ${filename}|| true)
-kernelimg2='/boot/'
-
-if [ "$kernelimg" ]
-then
-    kernelimg2=$(echo $kernelimg |cut -d ' ' -f 2)
-fi
 
 cat>"${filename}"<<EOF
 #!/bin/sh
@@ -135,15 +129,6 @@ $kernelimg
 
 }
 
-menuentry 'ACRN efi' --id ACRN_deb_efi {
-    recordfail
-    load_video
-    insmod gzio
-    insmod part_gpt
-    insmod ext2
-    linux $kernelimg2 pci_devices_ignore=(0:18:1) console=tty0 console=ttyS0 root=PARTUUID=$partuuid rw rootwait ignore_loglevel no_timer_check consoleblank=0 i915.nuclear_pageflip=1 i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_gvt=1 i915.enable_guc=0 hvlog=2M@0xE00000
-
-}
 EOF
 
 filename='/etc/default/grub'
diff --git a/misc/packaging/acrn-kernel.postinst b/misc/packaging/acrn-kernel.postinst
index 7b6f3a0b7..914ac5696 100644
--- a/misc/packaging/acrn-kernel.postinst
+++ b/misc/packaging/acrn-kernel.postinst
@@ -23,15 +23,6 @@ cat>"${filename}"<<EOF
 
         }
 
-    menuentry 'ACRN efi' --id ACRN_deb_efi {
-            recordfail
-        load_video
-        insmod gzio
-        insmod part_gpt
-        insmod ext2
-        linux /boot/kernelimg pci_devices_ignore=(0:18:1) console=tty0 console=ttyS0 root=PARTUUID=$partuuid rw rootwait ignore_loglevel no_timer_check consoleblank=0 i915.nuclear_pageflip=1 i915.avail_planes_per_pipe=0x01010F i915.domain_plane_owners=0x011111110000 i915.enable_gvt=1 i915.enable_guc=0 hvlog=2M@0xE00000
-
-        }
 EOF
     fi
 
@@ -39,14 +30,5 @@ EOF
     bzImage=$(cat /boot/version.txt)
     sed -i '/multiboot2 \/boot/a\module2 /boot/'${bzImage}' Linux_bzImage' ${filename}
 
-    str=$(grep hvlog=2M@0xE00000 ${filename} || true)
-
-    old=${str%pci*}
-    echo $old
-    bzImage=$(cat /boot/version.txt)
-    new=$(echo linux \/boot\/${bzImage})
-    echo $new
-    sed -i "s:$old:$new :" ${filename}
-
 sync
 update-grub