diff --git a/artiq/test/coredevice/test_embedding.py b/artiq/test/coredevice/test_embedding.py
index 8d0e64aba..23afc9a20 100644
--- a/artiq/test/coredevice/test_embedding.py
+++ b/artiq/test/coredevice/test_embedding.py
@@ -80,7 +80,6 @@ class DefaultArgTest(ExperimentCase):
 class _RPCTypes(EnvExperiment):
     def build(self):
         self.setattr_device("core")
-        self.setattr_device("led")
 
     def return_bool(self) -> TBool:
         return True