diff --git a/20-grub.install b/20-grub.install
index 9b74538c576daefc20ae2fc5209ba49c78c87add..a05c15c5bceecef6c531acc2a01050640ae580f0 100755
--- a/20-grub.install
+++ b/20-grub.install
@@ -62,7 +62,7 @@ case "$COMMAND" in
                     "$KERNEL_DIR"/dtb
             do
                 [[ -e "$i" ]] || continue
-                rm -f "/boot/${i##*/}-${KERNEL_VERSION}"
+                rm -rf "/boot/${i##*/}-${KERNEL_VERSION}"
                 cp -aT "$i" "/boot/${i##*/}-${KERNEL_VERSION}"
                 command -v restorecon &>/dev/null && \
                     restorecon -R "/boot/${i##*/}-${KERNEL_VERSION}"
diff --git a/grub2.spec b/grub2.spec
index fb50ea88bb001a51648dc0f521d26587e59085ed..8416300369680dd16363d0fe8cec4f5e23048b14 100644
--- a/grub2.spec
+++ b/grub2.spec
@@ -527,6 +527,7 @@ fi
 - Delete LoongArch64 support old version due to compile error
 - Add LoongArch64 support
 - LoongArch64 support fdt and phy-addr BIOS
+- Remove dtb dir with correct argument (Liwei Ge)
 
 * Fri Jun 17 2022 Bo Ren <rb01097748@alibaba-inc.com> - 2.02-123.0.1.8
 - Build pc-modules package on x86_64 (geliwei@openanolis.org)