diff --git a/src/cache_daemon/cache_daemon.ml b/src/cache_daemon/cache_daemon.ml
index 5b5c3099b6d3..a02e87911f6f 100644
--- a/src/cache_daemon/cache_daemon.ml
+++ b/src/cache_daemon/cache_daemon.ml
@@ -181,10 +181,9 @@ let client_thread (events, (client : client)) =
       in
       handle client
     and finally () =
-      ( try
-          Unix.shutdown client.fd Unix.SHUTDOWN_ALL;
-          Unix.close client.fd
+      ( try Unix.shutdown client.fd Unix.SHUTDOWN_ALL
         with Unix.Unix_error (Unix.ENOTCONN, _, _) -> () );
+      Unix.close client.fd;
       Evt.sync (Evt.send events (Client_left client.fd))
     in
     try Exn.protect ~f ~finally with
diff --git a/test/blackbox-tests/dune.inc b/test/blackbox-tests/dune.inc
index bd6dcded5406..b2934938e6a3 100644
--- a/test/blackbox-tests/dune.inc
+++ b/test/blackbox-tests/dune.inc
@@ -358,8 +358,7 @@
  (action
   (chdir
    test-cases/dune-cache/trim
-   (progn (run dune-cram run run.t) (diff? run.t run.t.corrected))))
- (enabled_if (<> %{ocaml-config:system} macosx)))
+   (progn (run dune-cram run run.t) (diff? run.t run.t.corrected)))))
 
 (rule
  (alias dune-init)
diff --git a/test/blackbox-tests/gen_tests.ml b/test/blackbox-tests/gen_tests.ml
index d96e0a94395d..e1c1211e1e11 100644
--- a/test/blackbox-tests/gen_tests.ml
+++ b/test/blackbox-tests/gen_tests.ml
@@ -221,7 +221,7 @@ let exclusions =
   ; make "merlin/merlin-tests" ~external_deps:true
   ; make "use-meta" ~external_deps:true
   ; make "output-obj" ~skip_platforms:[ Mac; Win ] ~only_ocaml:(">=", "4.06.0")
-  ; make "dune-cache/trim" ~skip_platforms:[ Mac ]
+  ; make "dune-cache/trim"
   ; make "github644" ~external_deps:true
   ; make "private-public-overlap" ~external_deps:true
   ; make "reason" ~external_deps:true