diff --git a/core/config.mk b/core/config.mk
index be0b55c..16fa988 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -155,6 +155,8 @@
 $(KATI_obsolete_var COVERAGE_EXCLUDE_PATHS,Use NATIVE_COVERAGE_EXCLUDE_PATHS instead)
 $(KATI_obsolete_var BOARD_VNDK_RUNTIME_DISABLE,VNDK-Lite is no longer supported.)
 $(KATI_obsolete_var LOCAL_SANITIZE_BLACKLIST,Use LOCAL_SANITIZE_BLOCKLIST instead.)
+$(KATI_deprecated_var BOARD_PLAT_PUBLIC_SEPOLICY_DIR,Use SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS instead.)
+$(KATI_deprecated_var BOARD_PLAT_PRIVATE_SEPOLICY_DIR,Use SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS instead.)
 
 # Used to force goals to build.  Only use for conditionally defined goals.
 .PHONY: FORCE
diff --git a/core/soong_config.mk b/core/soong_config.mk
index ad2e816..d5e16f7 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -174,8 +174,9 @@
 $(call add_json_list, BoardOdmSepolicyDirs,              $(BOARD_ODM_SEPOLICY_DIRS))
 $(call add_json_list, BoardVendorDlkmSepolicyDirs,       $(BOARD_VENDOR_DLKM_SEPOLICY_DIRS))
 $(call add_json_list, BoardOdmDlkmSepolicyDirs,          $(BOARD_ODM_DLKM_SEPOLICY_DIRS))
-$(call add_json_list, BoardPlatPublicSepolicyDirs,       $(BOARD_PLAT_PUBLIC_SEPOLICY_DIR))
-$(call add_json_list, BoardPlatPrivateSepolicyDirs,      $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR))
+# TODO: BOARD_PLAT_* dirs only kept for compatibility reasons. Will be a hard error on API level 31
+$(call add_json_list, SystemExtPublicSepolicyDirs,       $(SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS) $(BOARD_PLAT_PUBLIC_SEPOLICY_DIR))
+$(call add_json_list, SystemExtPrivateSepolicyDirs,      $(SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS) $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR))
 $(call add_json_list, BoardSepolicyM4Defs,               $(BOARD_SEPOLICY_M4DEFS))
 
 $(call add_json_bool, Flatten_apex,                      $(filter true,$(TARGET_FLATTEN_APEX)))