diff --git a/core/soong_config.mk b/core/soong_config.mk
index 3cffef2..534270e 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -52,8 +52,6 @@
 
 $(call add_json_bool, Release_aidl_use_unfrozen,         $(RELEASE_AIDL_USE_UNFROZEN))
 
-$(call add_json_str,  Platform_min_supported_target_sdk_version, $(PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION))
-
 $(call add_json_bool, Allow_missing_dependencies,        $(filter true,$(ALLOW_MISSING_DEPENDENCIES)))
 $(call add_json_bool, Unbundled_build,                   $(TARGET_BUILD_UNBUNDLED))
 $(call add_json_list, Unbundled_build_apps,              $(TARGET_BUILD_APPS))
diff --git a/core/version_util.mk b/core/version_util.mk
index 610cdaf..eb568be 100644
--- a/core/version_util.mk
+++ b/core/version_util.mk
@@ -221,10 +221,8 @@
 endif
 .KATI_READONLY := HAS_BUILD_NUMBER
 
-ifndef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION
-  # Used to set minimum supported target sdk version. Apps targeting sdk
-  # version lower than the set value will result in a warning being shown
-  # when any activity from the app is started.
-  PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 28
+ifdef PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION
+  $(error Do not set PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION directly. Use RELEASE_PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION. value: $(PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION))
 endif
+PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := $(RELEASE_PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION)
 .KATI_READONLY := PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION