diff --git a/feeds.conf.default b/feeds.conf.default
index 97149a2df9..45fe41733a 100644
--- a/feeds.conf.default
+++ b/feeds.conf.default
@@ -6,3 +6,6 @@ src-git telephony https://git.openwrt.org/feed/telephony.git;openwrt-21.02
 src-git store https://github.com/linkease/istore.git;main
 # argon, etc.
 src-git third https://github.com/jjm2473/openwrt-third.git;main
+
+# compat for 21.02
+src-git compat https://github.com/jjm2473/openwrt-compat.git;21.02
diff --git a/package/diy/dummy-kmods/Makefile b/package/diy/dummy-kmods/Makefile
deleted file mode 100644
index 622705df82..0000000000
--- a/package/diy/dummy-kmods/Makefile
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-# 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:=dummy-kmods
-PKG_RELEASE:=1
-
-PKG_MAINTAINER:=
-
-include $(INCLUDE_DIR)/package.mk
-
-define KernelPackage/inet-diag
-  SECTION:=kernel
-  CATEGORY:=Kernel modules
-  SUBMENU:=Network Support
-  TITLE:=Dummy inet-diag modules
-  DEPENDS:=+kmod-netlink-diag
-endef
-
-define KernelPackage/inet-diag/description
-  Dummy inet-diag modules
-endef
-
-define Build/Compile
-endef
-
-$(eval $(call KernelPackage,inet-diag))