diff --git a/Makefile b/Makefile
index caf4a919a8..fbc6115dcc 100644
--- a/Makefile
+++ b/Makefile
@@ -844,7 +844,7 @@ ifeq ($(O),output)
 	rm -rf $(O)
 endif
 	rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
-		$(CONFIG_DIR)/.auto.deps
+		$(CONFIG_DIR)/.auto.deps $(BR2_EXTERNAL_FILE)
 
 help:
 	@echo 'Cleaning:'