diff --git a/core/soong_config.mk b/core/soong_config.mk
index e6c4d64..091fa34 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -266,6 +266,10 @@
 
 $(call add_json_bool, CompressedApex, $(filter true,$(PRODUCT_COMPRESSED_APEX)))
 
+ifndef APEX_BUILD_FOR_PRE_S_DEVICES
+$(call add_json_bool, TrimmedApex, $(filter true,$(PRODUCT_TRIMMED_APEX)))
+endif
+
 $(call add_json_bool, BoardUsesRecoveryAsBoot, $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)))
 
 $(call add_json_list, BoardKernelBinaries, $(BOARD_KERNEL_BINARIES))