diff --git a/output_data/CleanSpec.mk b/output_data/CleanSpec.mk
index df1d3c5..9678692 100644
--- a/output_data/CleanSpec.mk
+++ b/output_data/CleanSpec.mk
@@ -59,6 +59,10 @@
 # mainline module APEX in ART's special on-device test environment.
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/tz)
 
+# Remove on-device files that simulate time zone data files in the TZ data
+# mainline module APEX in ART's special on-device test environment.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/tzdata_module)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************