diff --git a/lib_test/async/helper.ml b/lib_test/async/helper.ml
index 6d68a37..d6588ce 100644
--- a/lib_test/async/helper.ml
+++ b/lib_test/async/helper.ml
@@ -11,11 +11,8 @@ let socket_path =
   sprintf "%s/_build/helper_async.socket" (Std_unix.getcwd ())
 
 let handle_sigterm _ =
-  let ctrl_t =
-    Log.info logger "got sigterm, exiting";
-    Unix.unlink socket_path in
-  don't_wait_for ctrl_t;
-  Pervasives.exit 0
+  Log.info logger "got sigterm, exiting";
+  don't_wait_for (exit 0)
 
 let control_handler fd =
   let handler req =
diff --git a/lib_test/async/slave.ml b/lib_test/async/slave.ml
index 1b946bb..4968a3e 100644
--- a/lib_test/async/slave.ml
+++ b/lib_test/async/slave.ml
@@ -8,7 +8,7 @@ let logger = Logger.syslog
 
 let handle_sigterm _ =
   Log.info logger "got sigterm";
-  Pervasives.exit 0
+  don't_wait_for (exit 0)
 
 let ipc_lock = Sequencer.create ()