--- a/backport-include/linux/rfkill.h
+++ b/backport-include/linux/rfkill.h
@@ -43,6 +43,10 @@ struct rfkill_ops {
 };
 #endif
 
+#undef CONFIG_RFKILL
+#undef CONFIG_RFKILL_LEDS
+#undef CONFIG_RFKILL_MODULE
+
 /* this changes infrequently, backport manually */
 enum rfkill_type {
 	RFKILL_TYPE_ALL = 0,