diff --git a/extra/mason/release/tidy/tidy.factor b/extra/mason/release/tidy/tidy.factor
index 7327209a06..497be09044 100644
--- a/extra/mason/release/tidy/tidy.factor
+++ b/extra/mason/release/tidy/tidy.factor
@@ -1,24 +1,14 @@
 ! Copyright (C) 2008 Eduardo Cavazos, Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: bootstrap.image continuations debugger fry
-io.directories io.directories.hierarchy io.files io.launcher
+USING: bootstrap.image continuations debugger fry io.directories
+io.directories.hierarchy io.encodings.ascii io.files io.launcher
 kernel mason.common namespaces sequences ;
 FROM: mason.config => target-os ;
 IN: mason.release.tidy
 
 : common-files ( -- seq )
+    "build-support/cleanup" ascii file-lines
     images [ boot-image-name ] map
-    {
-        "vm"
-        "temp"
-        "logs"
-        ".git"
-        ".gitignore"
-        "Makefile"
-        "unmaintained"
-        "unfinished"
-        "build-support"
-    }
     append ;
 
 : remove-common-files ( -- )