diff --git a/systemd/update-engine.service b/systemd/update-engine.service
index 423fe83..e2ac3a8 100644
--- a/systemd/update-engine.service
+++ b/systemd/update-engine.service
@@ -7,7 +7,6 @@ ConditionPathExists=!/usr/.noupdate
 Type=dbus
 BusName=com.coreos.update1
 ExecStart=/usr/sbin/update_engine -foreground -logtostderr
-BlockIOWeight=100
 Restart=always
 RestartSec=30