diff --git a/Makefile.am b/Makefile.am
index 41004e5..9910caf 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -130,7 +130,7 @@
 
 all: $(IMAGE)
 
-CLEANFILES = $(IMAGE) $(OFILES) model.lds fdt.dtb
+CLEANFILES = $(IMAGE) linux-system.axf xen-system.axf $(OFILES) model.lds fdt.dtb
 
 $(IMAGE): $(OFILES) model.lds fdt.dtb $(KERNEL_IMAGE) $(FILESYSTEM) $(XEN_IMAGE)
 	$(LD) $(LDFLAGS) $(OFILES) -o $@ --script=model.lds