diff --git a/Makefile b/Makefile
index 891e7f287..76f921778 100644
--- a/Makefile
+++ b/Makefile
@@ -53,6 +53,8 @@ clean:
 	@for sub in $(SUB_DIRS); do \
 	        $(MAKE) -C $${sub} clean; \
 	done;
+	@if [ -d $(LOCAL_DIR)/output   ]; then rm -rf $(LOCAL_DIR)/output;   fi;
+	@if [ -d $(LOCAL_DIR)/_install ]; then rm -rf $(LOCAL_DIR)/_install; fi;
 
 install:
 	@mkdir -p $(INSTALL_DIR);