diff --git a/CleanSpec.mk b/CleanSpec.mk
index f8c96ff..f562279 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -787,6 +787,10 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/)
 $(call add-clean-step, find $(OUT_DIR) -type f -name "*.jar" -print0 | xargs -0 rm -f)
 
+# Remove obsolete dexpreopt_config artifacts
+$(call add-clean-step, rm -f $(PRODUCT_OUT)/dexpreopt_config/dexpreopt.config)
+$(call add-clean-step, rm -f $(PRODUCT_OUT)/dexpreopt_config/dexpreopt_soong.config)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************