diff --git a/test/fiber/lib/dune b/test/fiber/lib/dune
index b8bee7b9..a87f439c 100644
--- a/test/fiber/lib/dune
+++ b/test/fiber/lib/dune
@@ -3,10 +3,4 @@
  (enabled_if
   (>= %{ocaml_version} 5.0))
  (package moonpool)
- (libraries
-  moonpool
-  moonpool.fib
-  trace
-  qcheck-core))
-
-
+ (libraries moonpool moonpool.fib trace qcheck-core))
diff --git a/test/fiber/lib/fib.ml b/test/fiber/lib/fib.ml
index 0a2edbf9..790746a4 100644
--- a/test/fiber/lib/fib.ml
+++ b/test/fiber/lib/fib.ml
@@ -1,4 +1,3 @@
-
 open! Moonpool
 module A = Atomic
 module F = Moonpool_fib.Fiber
diff --git a/test/fiber/t_fls.ml b/test/fiber/t_fls.ml
index 2a1c5733..78901b45 100644
--- a/test/fiber/t_fls.ml
+++ b/test/fiber/t_fls.ml
@@ -1,6 +1,6 @@
 open! Moonpool
 
-let (let@) = (@@)
+let ( let@ ) = ( @@ )
 
 let () =
   (let@ pool = Ws_pool.with_ () in
diff --git a/test/lwt/fibers/t_fib1.ml b/test/lwt/fibers/t_fib1.ml
index 698452b3..cd96440d 100644
--- a/test/lwt/fibers/t_fib1.ml
+++ b/test/lwt/fibers/t_fib1.ml
@@ -6,5 +6,4 @@ let ( let@ ) = ( @@ )
 let () =
   let@ runner = M_lwt.lwt_main in
   T_fibers.Fib.run1 ~runner ();
-  T_fibers.Fib.run2 ~runner ();
-
+  T_fibers.Fib.run2 ~runner ()