diff --git a/basis/io/windows/mmap/mmap-tests.factor b/basis/io/windows/mmap/mmap-tests.factor
deleted file mode 100644
index a8430108e8..0000000000
--- a/basis/io/windows/mmap/mmap-tests.factor
+++ /dev/null
@@ -1,8 +0,0 @@
-USING: io io.mmap io.files kernel tools.test continuations
-sequences io.encodings.ascii accessors ;
-IN: io.windows.mmap.tests
-
-[ ] [ "a" "mmap-grow-test.txt" temp-file ascii set-file-contents ] unit-test
-[ 1 ] [ "mmap-grow-test.txt" temp-file file-info size>> ] unit-test
-[ ] [ "mmap-grow-test.txt" temp-file 100 [ [ ] change-each ] with-mapped-file ] unit-test
-[ 100 ] [ "mmap-grow-test.txt" temp-file file-info size>> ] unit-test