diff --git a/test/zdtm.py b/test/zdtm.py
index a889e0ff6..195f558cd 100755
--- a/test/zdtm.py
+++ b/test/zdtm.py
@@ -44,7 +44,6 @@ tests_root = None
 
 def clean_tests_root():
 	global tests_root
-	subprocess.call(["umount", tests_root])
 	if tests_root:
 		os.rmdir(tests_root)