diff --git a/extra/io/windows/files/temporary/temporary.factor b/extra/io/windows/files/temporary/temporary.factor
deleted file mode 100644
index 426cab367b..0000000000
--- a/extra/io/windows/files/temporary/temporary.factor
+++ /dev/null
@@ -1,10 +0,0 @@
-USING: io.files.temporary.backend io.nonblocking io.windows
-kernel system windows.kernel32 ;
-
-IN: io.windows.files.temporary
-
-M: windows-io (temporary-file) ( path -- stream )
-    GENERIC_WRITE CREATE_NEW 0 open-file 0 <win32-file> <writer> ;
-
-M: windows-io temporary-path ( -- path )
-    "TEMP" os-env ;