diff --git a/lisp/Makefile.am b/lisp/Makefile.am
index 2019e00..ceb31c8 100644
--- a/lisp/Makefile.am
+++ b/lisp/Makefile.am
@@ -21,7 +21,7 @@ roslisp_DATA = helper.el \
 	wait.ros \
 	\
 	delete.ros \
-	delete-dump.lisp delete-git.lisp \
+	delete-dump.lisp delete-git.lisp delete-asdf.lisp \
 	\
 	dump.ros \
 	util-dump.lisp \
diff --git a/lisp/delete-asdf.lisp b/lisp/delete-asdf.lisp
new file mode 100644
index 0000000..67a0829
--- /dev/null
+++ b/lisp/delete-asdf.lisp
@@ -0,0 +1,7 @@
+(defpackage :roswell.delete.asdf
+  (:use :cl :roswell.util))
+(in-package :roswell.delete.asdf)
+
+(defun asdf (&rest argv)
+  (declare (ignore argv))
+  (format t "not yet implemented. TBD!~%"))