diff --git a/meta-arm-bsp/recipes-kernel/linux/linux-arm-platforms.inc b/meta-arm-bsp/recipes-kernel/linux/linux-arm-platforms.inc
index ff19169efe..cdfa3d358e 100644
--- a/meta-arm-bsp/recipes-kernel/linux/linux-arm-platforms.inc
+++ b/meta-arm-bsp/recipes-kernel/linux/linux-arm-platforms.inc
@@ -107,6 +107,8 @@ COMPATIBLE_MACHINE:musca-s1 = "(^$)"
 COMPATIBLE_MACHINE:sgi575 = "sgi575"
 KBUILD_DEFCONFIG:sgi575 = "defconfig"
 KCONFIG_MODE:sgi575 = "--alldefconfig"
+# Upstream defconfig often causes warnings but we don't maintain it
+KCONF_BSP_AUDIT_LEVEL:sgi575 = "0"
 
 #
 # sbsa-ref KMACHINE
@@ -114,3 +116,5 @@ KCONFIG_MODE:sgi575 = "--alldefconfig"
 COMPATIBLE_MACHINE:sbsa-ref = "sbsa-ref"
 KBUILD_DEFCONFIG:sbsa-ref = "defconfig"
 KCONFIG_MODE:sbsa-ref = "--alldefconfig"
+# Upstream defconfig often causes warnings but we don't maintain it
+KCONF_BSP_AUDIT_LEVEL:sbsa-ref = "0"