diff --git a/opi5-efi.spec b/opi5-efi.spec
index f9a7181..56d6e4b 100644
--- a/opi5-efi.spec
+++ b/opi5-efi.spec
@@ -5,7 +5,7 @@
 
 Name: opi5-efi
 Version: 0.0.2
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: Necessary files for booting from vendor U-Boot on Orange Pi 5
 License: GPL
 Provides: %{name}-%{version}
diff --git a/post.sh b/post.sh
index 7219d68..cda02a5 100644
--- a/post.sh
+++ b/post.sh
@@ -6,16 +6,6 @@ UNAME_R="$(</boot/.uname)"
 BOOT_PART="$(grep '/ ' /etc/fstab | awk '{print $1}')"
 replacewithfullver
 
-if [ -x /sbin/installkernel -a -r "/boot/vmlinuz-${UNAME_R}" -a -r "/boot/System.map-${UNAME_R}" ]; then
-    cp "/boot/vmlinuz-${UNAME_R}" "/boot/.vmlinuz-${UNAME_R}-rpm"
-    cp "/boot/System.map-${UNAME_R}" "/boot/.System.map-${UNAME_R}-rpm"
-    rm -f "/boot/vmlinuz-${UNAME_R}" "/boot/System.map-${UNAME_R}"
-    /sbin/installkernel "${UNAME_R}" "/boot/.vmlinuz-${UNAME_R}-rpm" "/boot/.System.map-${UNAME_R}-rpm"
-    rm -f "/boot/.vmlinuz-${UNAME_R}-rpm" "/boot/.System.map-${UNAME_R}-rpm"
-fi
-ln "/boot/.uname-${UNAME_R}" /boot/.uname
-
-
 cp /opt/opi5-efi/boot.cmd "/boot/efi/boot.cmd-${FULL_VER}"
 cp /opt/opi5-efi/uEnv.txt "/boot/efi/uEnv.txt-${FULL_VER}"
 
@@ -25,8 +15,7 @@ if [ ! -f /boot/.uname ]; then
 fi
 
 if [ ! -f "/boot/initramfs-${UNAME_R}" ]; then
-    echo "ERROR: No initramfs found."
-    exit 1
+    /sbin/installkernel "${UNAME_R}" "/boot/.vmlinuz-${UNAME_R}-rpm" "/boot/.System.map-${UNAME_R}-rpm"
 fi
 
 echo "rootdev=${BOOT_PART}" >> "/boot/efi/uEnv.txt-${FULL_VER}"