diff --git a/examples/coredev_test.py b/examples/coredev_test.py
index 9e17a623f..d643b1148 100644
--- a/examples/coredev_test.py
+++ b/examples/coredev_test.py
@@ -1,4 +1,4 @@
-from artiq.language.experiment import Experiment, kernel, syscall
+from artiq.language.experiment import Experiment, kernel
 from artiq.devices import corecom_serial, runtime, core, gpio_core
 
 class CompilerTest(Experiment):