diff --git a/validate/launcher/baseclasses.py b/validate/launcher/baseclasses.py
index 1204a8cf76..43d58b5884 100644
--- a/validate/launcher/baseclasses.py
+++ b/validate/launcher/baseclasses.py
@@ -1540,6 +1540,9 @@ class _TestsLauncher(Loggable):
 
     def list_tests(self):
         for tester in self.testers:
+            if not self._tester_needed(tester):
+                continue
+
             tests = tester.list_tests()
             if self._check_defined_tests(tester, tests) and \
                     self.options.fail_on_testlist_change: