diff --git a/extra/mason/release/tidy/tidy-tests.factor b/extra/mason/release/tidy/tidy-tests.factor
index e140926c7a..fb1d8855a0 100644
--- a/extra/mason/release/tidy/tidy-tests.factor
+++ b/extra/mason/release/tidy/tidy-tests.factor
@@ -1,2 +1,15 @@
 IN: mason.release.tidy.tests
-USING: mason.release.tidy tools.test ;
+USING: mason.config mason.release.tidy namespaces sequences
+system tools.test ;
+
+[ f ] [
+    macosx target-os [
+        "Factor.app" useless-files member?
+    ] with-variable
+] unit-test
+
+[ t ] [
+    linux target-os [
+        "Factor.app" useless-files member?
+    ] with-variable
+] unit-test
diff --git a/extra/mason/release/tidy/tidy.factor b/extra/mason/release/tidy/tidy.factor
index 754e028268..cf82c43d06 100644
--- a/extra/mason/release/tidy/tidy.factor
+++ b/extra/mason/release/tidy/tidy.factor
@@ -1,8 +1,8 @@
 ! Copyright (C) 2008, 2011 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.encodings.ascii io.files io.launcher
-kernel mason.common namespaces sequences ;
+USING: bootstrap.image io.directories io.directories.hierarchy
+io.encodings.ascii io.files kernel mason.common namespaces
+sequences system ;
 FROM: mason.config => target-os ;
 IN: mason.release.tidy