diff --git a/kconfig/Makefile b/kconfig/Makefile
index 7683ee8f..47653744 100644
--- a/kconfig/Makefile
+++ b/kconfig/Makefile
@@ -95,7 +95,7 @@ $(obj)/conf:: $(SHIPPED) $(CT_LIB_DIR)/kconfig/conf.c
 
 clean::
 	@rm -f $(CT_TOP_DIR)/kconfig/{,m}conf
-	@rmdir --ignore-fail-on-non-empty $(CT_TOP_DIR)/kconfig
+	@rmdir --ignore-fail-on-non-empty $(CT_TOP_DIR)/kconfig 2>/dev/null || true
 	@rm -f $(CT_TOP_DIR)/config
 	@rm -rf $(CT_TOP_DIR)/config.gen