diff --git a/qtest/make.ml b/qtest/make.ml
index 6e6eb12e..9ce64e3e 100644
--- a/qtest/make.ml
+++ b/qtest/make.ml
@@ -26,6 +26,7 @@ let do_not_test file =
   is_suffix ~sub:"check_labelled_mods.ml" file ||
   is_suffix ~sub:"test_random.ml" file ||
   is_suffix ~sub:"test_hash.ml" file ||
+  is_suffix ~sub:"test_csexp.ml" file ||
   is_suffix ~sub:"utop.ml" file
 
 let prefix = "src"