diff --git a/extra/calendar/unix/unix-tests.factor b/extra/calendar/unix/unix-tests.factor
deleted file mode 100644
index a35a60c6f3..0000000000
--- a/extra/calendar/unix/unix-tests.factor
+++ /dev/null
@@ -1,13 +0,0 @@
-USING: alien alien.c-types calendar calendar.unix
-kernel math tools.test ;
-
-[ t ] [ 239293000 [
-    unix-time>timestamp timestamp>timeval
-    timeval>timestamp timestamp>timeval *ulong
-] keep = ] unit-test
-
-
-[ t ] [ 23929000.3 [
-    unix-time>timestamp timestamp>timeval
-    timeval>timestamp timestamp>timeval *ulong
-] keep >bignum = ] unit-test