diff --git a/CleanSpec.mk b/CleanSpec.mk
index 9627093..f266ede 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -704,6 +704,10 @@
 # again, as the original change removing them was reverted.
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/*.jar)
 
+# Remove cas@1.1 from the vendor partition
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/bin/hw/android.hardware.cas@1.1*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/etc/init/android.hardware.cas@1.1*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/etc/vintf/manifest/android.hardware.cas@1.1*)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************