diff --git a/CleanSpec.mk b/CleanSpec.mk
index c60ec407..49b5b9c5 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -45,6 +45,8 @@
 #$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*)
 
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/drm $(PRODUCT_OUT)/system/lib/libwv* $(PRODUCT_OUT)/system/lib/libWV*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/cdm_protos_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libcdm_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST