diff --git a/scripts/mk_util.py b/scripts/mk_util.py
index 34a25781a..c1f899f6d 100644
--- a/scripts/mk_util.py
+++ b/scripts/mk_util.py
@@ -357,7 +357,6 @@ def check_ml():
     os.remove('hello.cmx')
     os.remove('hello.obj')
     os.remove('a.out')
-    t.__del__()
     find_ml_lib()
 
 def find_ml_lib():