diff --git a/meta-arm/recipes-kernel/linux/linux-yocto_5.15%.bbappend b/meta-arm/recipes-kernel/linux/linux-yocto_5.15%.bbappend
deleted file mode 100644
index 9a18dd8a..00000000
--- a/meta-arm/recipes-kernel/linux/linux-yocto_5.15%.bbappend
+++ /dev/null
@@ -1,8 +0,0 @@
-FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}-5.15:"
-
-SRC_URI:append:qemuarm64-secureboot = " \
-    file://skip-unavailable-memory.patch \
-    "
-
-FFA_TEE_INCLUDE = "${@bb.utils.contains('MACHINE_FEATURES', 'arm-ffa', 'arm-ffa-5.15.inc', '' , d)}"
-require ${FFA_TEE_INCLUDE}