diff --git a/Makefile b/Makefile
index efed05871..40d3b95ec 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ lint:
 
 test: moby
 	./moby build test/test.yml
-	rm moby test.iso test-cmdline test-efi.iso test-initrd.img test-kernel
+	rm moby test.tar
 
 PHONY: install
 install: moby
diff --git a/test/test.yml b/test/test.yml
index 7e11381a6..c316cadc0 100644
--- a/test/test.yml
+++ b/test/test.yml
@@ -57,6 +57,4 @@ trust:
     - linuxkit/binfmt
     - linuxkit/rngd
 outputs:
-  - format: kernel+initrd
-  - format: iso-bios
-  - format: iso-efi
+  - format: tar