diff --git a/nps/Makefile b/nps/Makefile
deleted file mode 100644
index addd53f65..000000000
--- a/nps/Makefile
+++ /dev/null
@@ -1,87 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-only
-#
-# Copyright (C) 2021 ImmortalWrt.org
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=nps
-PKG_VERSION:=0.26.10
-PKG_RELEASE:=$(AUTORELEASE)
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=https://codeload.github.com/ehang-io/nps/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=1b2fe9d251f55105d65027a1cee464f65d2f6ab3bd4a20e4655e5135db68aee7
-
-PKG_LICENSE:=Apache-2.0
-PKG_LICENSE_FILE:=LICENSE
-PKG_MAINTAINTER:=Tianling Shen <cnsztl@immortalwrt.org>
-
-PKG_CONFIG_DEPENDS:= \
-	CONFIG_NPC_COMPRESS_UPX \
-	CONFIG_NPS_COMPRESS_UPX
-
-PKG_BUILD_DEPENDS:=golang/host
-PKG_BUILD_PARALLEL:=1
-PKG_USE_MIPS16:=0
-
-GO_PKG:=ehang.io/nps
-GO_PKG_BUILD_PKG:=ehang.io/nps/cmd/...
-GO_PKG_LDFLAGS:=-s -w
-
-include $(INCLUDE_DIR)/package.mk
-include $(TOPDIR)/feeds/packages/lang/golang/golang-package.mk
-
-define Package/nps/template
-  SECTION:=net
-  CATEGORY:=Network
-  TITLE:=A intranet penetration proxy server ($(1))
-  DEPENDS:=$(GO_ARCH_DEPENDS) +ca-bundle
-  URL:=https://ehang-io.github.io/nps
-endef
-
-Package/npc = $(call Package/nps/template,client)
-Package/nps = $(call Package/nps/template,server)
-
-define Package/nps/description/template
-  NPS is a lightweight, high-performance, powerful intranet penetration proxy server,
-  with a powerful web management terminal.
-endef
-
-Package/npc/description = $(Package/nps/description/template)
-Package/nps/description = $(Package/nps/description/template)
-
-define Package/npc/config
-	config NPC_COMPRESS_UPX
-		bool "Compress executable files with UPX"
-		default y
-endef
-
-define Package/nps/config
-	config NPS_COMPRESS_UPX
-		bool "Compress executable files with UPX"
-		default y
-endef
-
-define Build/Compile
-	$(call GoPackage/Build/Compile)
-ifeq ($(CONFIG_NPC_COMPRESS_UPX),y)
-	$(STAGING_DIR_HOST)/bin/upx --lzma --best $(GO_PKG_BUILD_BIN_DIR)/npc
-endif
-ifeq ($(CONFIG_NPS_COMPRESS_UPX),y)
-	$(STAGING_DIR_HOST)/bin/upx --lzma --best $(GO_PKG_BUILD_BIN_DIR)/nps
-endif
-endef
-
-define Package/nps/install/template
-	$(call GoPackage/Package/Install/Bin,$(PKG_INSTALL_DIR))
-	$(INSTALL_DIR) $(1)/usr/bin
-	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/$(2) $(1)/usr/bin/$(2)
-endef
-
-Package/npc/install = $(call Package/nps/install/template,$(1),npc)
-Package/nps/install = $(call Package/nps/install/template,$(1),nps)
-
-$(eval $(call GoBinPackage,npc))
-$(eval $(call GoBinPackage,nps))
-$(eval $(call BuildPackage,npc))
-$(eval $(call BuildPackage,nps))
diff --git a/nps/patches/100-remove-useless-sdk-in-npc.patch b/nps/patches/100-remove-useless-sdk-in-npc.patch
deleted file mode 100644
index b96542fc4..000000000
--- a/nps/patches/100-remove-useless-sdk-in-npc.patch
+++ /dev/null
@@ -1,4 +0,0 @@
-diff --git a/cmd/npc/sdk.go b/cmd/npc/sdk.go.bak
-similarity index 100%
-rename from cmd/npc/sdk.go
-rename to cmd/npc/sdk.go.bak
diff --git a/openwrt-fullconenat/Makefile b/openwrt-fullconenat/Makefile
deleted file mode 100644
index b04afda75..000000000
--- a/openwrt-fullconenat/Makefile
+++ /dev/null
@@ -1,66 +0,0 @@
-#
-# Copyright (C) 2018 Chion Tang <tech@chionlab.moe>
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=fullconenat
-PKG_RELEASE:=5
-
-PKG_SOURCE_DATE:=2021-12-04
-PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=https://github.com/llccd/netfilter-full-cone-nat.git
-PKG_SOURCE_VERSION:=7fe02604e073945a3b081c18efbb4d3c799a31f6
-PKG_MIRROR_HASH:=857062e07606d00ef9ce1b6c5d457ffc1ccfb7667694c1958bc59f1d7c4f08a4
-
-PKG_LICENSE:=GPL-2.0
-PKG_LICENSE_FILES:=LICENSE
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/iptables-mod-fullconenat
-  SUBMENU:=Firewall
-  SECTION:=net
-  CATEGORY:=Network
-  TITLE:=FULLCONENAT iptables extension
-  DEPENDS:=+iptables +kmod-ipt-fullconenat
-  MAINTAINER:=Chion Tang <tech@chionlab.moe>
-endef
-
-define Package/iptables-mod-fullconenat/install
-	$(INSTALL_DIR) $(1)/usr/lib/iptables
-	$(INSTALL_BIN) $(PKG_BUILD_DIR)/libipt_FULLCONENAT.so $(1)/usr/lib/iptables
-endef
-
-define KernelPackage/ipt-fullconenat
-  SUBMENU:=Netfilter Extensions
-  TITLE:=FULLCONENAT netfilter module
-  DEPENDS:=+kmod-nf-ipt +kmod-nf-nat
-  MAINTAINER:=Chion Tang <tech@chionlab.moe>
-  KCONFIG:=CONFIG_NF_CONNTRACK_EVENTS=y CONFIG_NF_CONNTRACK_CHAIN_EVENTS=y
-  FILES:=$(PKG_BUILD_DIR)/xt_FULLCONENAT.ko
-endef
-
-include $(INCLUDE_DIR)/kernel-defaults.mk
-
-define Build/Prepare
-	$(call Build/Prepare/Default)
-	$(CP) ./files/Makefile $(PKG_BUILD_DIR)/
-endef
-
-define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-        CROSS_COMPILE="$(TARGET_CROSS)" \
-        ARCH="$(LINUX_KARCH)" \
-        M="$(PKG_BUILD_DIR)" \
-        EXTRA_CFLAGS="$(BUILDFLAGS)" \
-        modules
-	$(call Build/Compile/Default)
-endef
-
-$(eval $(call BuildPackage,iptables-mod-fullconenat))
-$(eval $(call KernelPackage,ipt-fullconenat))
diff --git a/openwrt-fullconenat/files/Makefile b/openwrt-fullconenat/files/Makefile
deleted file mode 100644
index b2f88db33..000000000
--- a/openwrt-fullconenat/files/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-libipt_FULLCONENAT.so: libipt_FULLCONENAT.o
-	$(CC) -shared -lxtables -o $@ $^;
-libipt_FULLCONENAT.o: libipt_FULLCONENAT.c
-	$(CC) ${CFLAGS} -fPIC -D_INIT=$*_init -c -o $@ $<;
-
-obj-m += xt_FULLCONENAT.o