diff --git a/foo b/foo
deleted file mode 100644
index 052ee36c..00000000
--- a/foo
+++ /dev/null
@@ -1,20 +0,0 @@
-# Generated by Neurodocker and Reproenv.
-
-FROM ubuntu
-
-# Save specification to JSON.
-RUN printf '{ \
-  "pkg_manager": "apt", \
-  "existing_users": [ \
-    "root" \
-  ], \
-  "instructions": [ \
-    { \
-      "name": "from_", \
-      "kwds": { \
-        "base_image": "ubuntu" \
-      } \
-    } \
-  ] \
-}' > /.reproenv.json
-# End saving to specification to JSON.