diff --git a/basis/unix/statfs/netbsd/authors.txt b/basis/unix/statfs/netbsd/authors.txt
deleted file mode 100644
index b4bd0e7b35..0000000000
--- a/basis/unix/statfs/netbsd/authors.txt
+++ /dev/null
@@ -1 +0,0 @@
-Doug Coleman
\ No newline at end of file
diff --git a/basis/unix/statfs/netbsd/netbsd.factor b/basis/unix/statfs/netbsd/netbsd.factor
deleted file mode 100644
index 5617ca7533..0000000000
--- a/basis/unix/statfs/netbsd/netbsd.factor
+++ /dev/null
@@ -1,6 +0,0 @@
-! Copyright (C) 2008 Doug Coleman.
-! See http://factorcode.org/license.txt for BSD license.
-USING: alien.syntax kernel unix.stat math unix
-combinators system io.backend accessors alien.c-types
-io.encodings.utf8 alien.strings unix.types unix.statfs io.files ;
-IN: unix.statfs.netbsd
diff --git a/basis/unix/statfs/netbsd/tags.txt b/basis/unix/statfs/netbsd/tags.txt
deleted file mode 100644
index 6bf68304bb..0000000000
--- a/basis/unix/statfs/netbsd/tags.txt
+++ /dev/null
@@ -1 +0,0 @@
-unportable
diff --git a/basis/unix/statfs/statfs.factor b/basis/unix/statfs/statfs.factor
index bc7b199705..4e3ba0d9f9 100644
--- a/basis/unix/statfs/statfs.factor
+++ b/basis/unix/statfs/statfs.factor
@@ -8,6 +8,6 @@ os {
     { linux   [ "unix.statfs.linux"   require ] }
     { macosx  [ "unix.statfs.macosx"  require ] }
     { freebsd [ "unix.statfs.freebsd" require ] }
-    { netbsd  [ "unix.statfs.netbsd"  require ] }
-    { openbsd [ "unix.statfs.openbsd" require ] }
+    ! { netbsd  [ "unix.statfs.netbsd"  require ] }
+    ! { openbsd [ "unix.statfs.openbsd" require ] }
 } case