diff --git a/04_remove_upx.sh b/04_remove_upx.sh
new file mode 100644
index 0000000..9326d2b
--- /dev/null
+++ b/04_remove_upx.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# [CTCGFW]immortalwrt
+# Use it under GPLv3, please.
+# --------------------------------------------------------
+# Remove upx commands
+
+makefile_file="$({ find package | grep Makefile | sed "/Makefile./d"; } 2>"/dev/null")"
+for a in ${makefile_file}; do
+  [ -n "$(grep "upx" "$a")" ] && sed -i "/upx/d" "$a"
+done
+exit 0
\ No newline at end of file