diff --git a/bin/e-Paper_clean.service b/bin/e-Paper_clean.service
index 0483523..e8e27a7 100644
--- a/bin/e-Paper_clean.service
+++ b/bin/e-Paper_clean.service
@@ -8,7 +8,6 @@ Before=reboot.target
 Type=oneshot
 ExecStart=/bin/bash /root/2.13-Ink-screen-clock/bin/clean.sh
 RemainAfterExit=yes
-TimeoutSec=3
 
 [Install]
 WantedBy=shutdown.target