diff --git a/artiq/frontend/artiq_netboot.py b/artiq/frontend/artiq_netboot.py
index ef36ad743..9adcc294a 100755
--- a/artiq/frontend/artiq_netboot.py
+++ b/artiq/frontend/artiq_netboot.py
@@ -4,7 +4,6 @@ import argparse
 import socket
 import struct
 import os
-import time
 
 def main():
     parser = argparse.ArgumentParser(description="ARTIQ netboot tool")