diff --git a/gns3server/handlers/api/compute/server_handler.py b/gns3server/handlers/api/compute/server_handler.py
index c158a55d..74d64d10 100644
--- a/gns3server/handlers/api/compute/server_handler.py
+++ b/gns3server/handlers/api/compute/server_handler.py
@@ -26,7 +26,6 @@ from gns3server.compute.port_manager import PortManager
 from gns3server.utils.cpu_percent import CpuPercent
 from gns3server.version import __version__
 from aiohttp.web import HTTPConflict
-from psutil._common import bytes2human
 
 
 class ServerHandler: