diff --git a/core/config.mk b/core/config.mk
index 0e2d271..df0cbf5 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -43,6 +43,8 @@
 CHANGES_URL := https://android.googlesource.com/platform/build/+/master/Changes.md
 .KATI_READONLY := CHANGES_URL
 $(KATI_deprecated_var TARGET_USES_64_BIT_BINDER,All devices use 64-bit binder by default now. Uses of TARGET_USES_64_BIT_BINDER should be removed.)
+$(KATI_deprecated_var PRODUCT_SEPOLICY_SPLIT,All devices are built with split sepolicy.)
+$(KATI_deprecated_var PRODUCT_SEPOLICY_SPLIT_OVERRIDE,All devices are built with split sepolicy.)
 $(KATI_obsolete_var PATH,Do not use PATH directly. See $(CHANGES_URL)#PATH)
 $(KATI_obsolete_var PYTHONPATH,Do not use PYTHONPATH directly. See $(CHANGES_URL)#PYTHONPATH)
 $(KATI_obsolete_var OUT,Use OUT_DIR instead. See $(CHANGES_URL)#OUT)
@@ -736,7 +738,6 @@
 
 requirements := \
     PRODUCT_TREBLE_LINKER_NAMESPACES \
-    PRODUCT_SEPOLICY_SPLIT \
     PRODUCT_ENFORCE_VINTF_MANIFEST \
     PRODUCT_NOTICE_SPLIT
 
@@ -751,14 +752,6 @@
 PRODUCT_FULL_TREBLE_OVERRIDE ?=
 $(foreach req,$(requirements),$(eval $(req)_OVERRIDE ?=))
 
-ifneq ($(PRODUCT_SEPOLICY_SPLIT),true)
-# WARNING: DO NOT CHANGE: if you are downstream of AOSP, and you change this, without
-# letting upstream know it's important to you, we may do cleanup which breaks this
-# significantly. Please let us know if you are changing this.
-# TODO(b/257176017) - unsplit sepolicy is no longer supported
-PRODUCT_SEPOLICY_SPLIT := true
-endif
-
 # TODO(b/114488870): disallow PRODUCT_FULL_TREBLE_OVERRIDE from being used.
 .KATI_READONLY := \
     PRODUCT_FULL_TREBLE_OVERRIDE \
diff --git a/core/main.mk b/core/main.mk
index 2281b7a..40e690d 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -180,9 +180,7 @@
 ADDITIONAL_SYSTEM_PROPERTIES += ro.treble.enabled=${PRODUCT_FULL_TREBLE}
 
 $(KATI_obsolete_var PRODUCT_FULL_TREBLE,\
-	Code should be written to work regardless of a device being Treble or \
-	variables like PRODUCT_SEPOLICY_SPLIT should be used until that is \
-	possible.)
+	Code should be written to work regardless of a device being Treble)
 
 # Sets ro.actionable_compatible_property.enabled to know on runtime whether the
 # allowed list of actionable compatible properties is enabled or not.
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 5a62a0e..b485159 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -302,8 +302,6 @@
 
 $(call add_json_bool, SelinuxIgnoreNeverallows, $(filter true,$(SELINUX_IGNORE_NEVERALLOWS)))
 
-$(call add_json_bool, SepolicySplit, $(filter true,$(PRODUCT_SEPOLICY_SPLIT)))
-
 $(call add_json_list, SepolicyFreezeTestExtraDirs,         $(SEPOLICY_FREEZE_TEST_EXTRA_DIRS))
 $(call add_json_list, SepolicyFreezeTestExtraPrebuiltDirs, $(SEPOLICY_FREEZE_TEST_EXTRA_PREBUILT_DIRS))