diff --git a/build.sh b/build.sh
index d563ce97..d8264258 100755
--- a/build.sh
+++ b/build.sh
@@ -501,8 +501,8 @@ if [ "$OMR_KERNEL" = "5.4" ]; then
 	echo "Set to kernel 5.4 for mediatek arch (BPI-R2)"
 	find target/linux/mediatek -type f -name Makefile -exec sed -i 's%KERNEL_PATCHVER:=5.10%KERNEL_PATCHVER:=5.4%g' {} \;
 	echo "Done"
-	rm package/kernel/mac80211/patches/build/firmware-replace-HOTPLUG-with-UEVENT-in-FW_ACTION-defines.patch
-	rm package/kernel/rtl8812au-ct/patches/003-wireless-5.8.patch
+	rm -f package/kernel/mac80211/patches/build/firmware-replace-HOTPLUG-with-UEVENT-in-FW_ACTION-defines.patch
+	rm -f package/kernel/rtl8812au-ct/patches/003-wireless-5.8.patch
 fi
 if [ "$OMR_KERNEL" = "5.10" ]; then
 	echo "Set to kernel 5.10 for rpi arch"