diff --git a/build_patches/openwrt/0020-mt7621-retain-old-compat_version.patch b/build_patches/openwrt/0020-mt7621-retain-old-compat_version.patch
deleted file mode 100644
index abec6189..00000000
--- a/build_patches/openwrt/0020-mt7621-retain-old-compat_version.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-From: =?UTF-8?q?Fabian=20Bl=C3=A4se?= <fabian@blaese.de>
-Date: Sat, 23 Oct 2021 23:34:07 +0200
-Subject: [PATCH] mt7621: retain old compat_version
-
-diff --git a/target/linux/ramips/image/mt7621.mk b/target/linux/ramips/image/mt7621.mk
-index a3bc14d59d..99887e8192 100644
---- a/target/linux/ramips/image/mt7621.mk
-+++ b/target/linux/ramips/image/mt7621.mk
-@@ -91,8 +91,7 @@ define Build/zytrx-header
- endef
- 
- define Device/dsa-migration
--  DEVICE_COMPAT_VERSION := 1.1
--  DEVICE_COMPAT_MESSAGE := Config cannot be migrated from swconfig to DSA
-+  DEVICE_COMPAT_VERSION := 1.0
- endef
- 
- define Device/adslr_g7
-