diff --git a/package/busybox/Makefile b/package/busybox/Makefile
index 90e3af060..03a0ebd54 100644
--- a/package/busybox/Makefile
+++ b/package/busybox/Makefile
@@ -51,7 +51,7 @@ endef
 
 define Build/Configure
 	rm -f $(PKG_BUILD_DIR)/.configured*
-	$(SCRIPT_DIR)/gen_busybox_config.pl $(TOPDIR)/.config > $(PKG_BUILD_DIR)/.config
+	grep 'CONFIG_BUSYBOX_' $(TOPDIR)/.config | sed -e "s,\\(# \)\\?CONFIG_BUSYBOX_\\(.*\\),\\1\\2,g" > $(PKG_BUILD_DIR)/.config
 	yes '' | $(MAKE) -C $(PKG_BUILD_DIR) \
 		CC="$(TARGET_CC)" \
 		CROSS_COMPILE="$(TARGET_CROSS)" \
diff --git a/scripts/gen_busybox_config.pl b/scripts/gen_busybox_config.pl
deleted file mode 100755
index 9360052d2..000000000
--- a/scripts/gen_busybox_config.pl
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/usr/bin/perl
-# 
-# Copyright (C) 2006 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-use strict;
-
-my $line;
-my $l1 = '';
-my $l2 = '=y';
-while (<>) {
-	chomp;
-	/^(# )CONFIG_LARGEFILE(.+)$/ and do {
-		$l1 = $1;
-		$l2 = $2;
-	};
-	/^(# )?CONFIG_BUSYBOX_(.+)/ and do {
-		my $p1 = $1;
-		my $p2 = $2;
-		$p2 =~ /(CONFIG_LFS|FDISK_SUPPORT_LARGE_DISKS)/ and do {
-			$p1 = $l1;
-			$p2 = "$1$l2";
-		};
-		print "$p1$p2\n";
-	}
-}