diff --git a/core/main.mk b/core/main.mk
index e9cbc60..47666c1 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -142,11 +142,6 @@
 #
 # -----------------------------------------------------------------
 # Add the product-defined properties to the build properties.
-ifdef PRODUCT_SHIPPING_API_LEVEL
-ADDITIONAL_SYSTEM_PROPERTIES += \
-  ro.product.first_api_level=$(PRODUCT_SHIPPING_API_LEVEL)
-endif
-
 ifneq ($(BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED), true)
   ADDITIONAL_SYSTEM_PROPERTIES += $(PRODUCT_PROPERTY_OVERRIDES)
 else
diff --git a/core/sysprop.mk b/core/sysprop.mk
index 86435d96..9febe11 100644
--- a/core/sysprop.mk
+++ b/core/sysprop.mk
@@ -307,10 +307,6 @@
     PRODUCT_VENDOR_PROPERTIES
 endif
 
-_blacklist_names_ := \
-    $(PRODUCT_SYSTEM_PROPERTY_BLACKLIST) \
-    ro.product.first_api_level
-
 INSTALLED_BUILD_PROP_TARGET := $(TARGET_OUT)/build.prop
 
 $(eval $(call build-properties,\
@@ -318,7 +314,7 @@
     $(INSTALLED_BUILD_PROP_TARGET),\
     $(_prop_files_),\
     $(_prop_vars_),\
-    $(_blacklist_names_),\
+    $(PRODUCT_SYSTEM_PROPERTY_BLACKLIST),\
     $(empty),\
     $(empty)))