diff --git a/install.sh b/install.sh
index 792ce2d..044af29 100644
--- a/install.sh
+++ b/install.sh
@@ -50,7 +50,6 @@ nala fetch --auto -y
 # Installation et configuration du logiciel des gestion automatique des mises à jour
 # Commande pour tester le bon fonctionnement : unattended-upgrades --dry-run --debug
 nala install unattended-upgrades -y
-cp /etc/apt/apt.conf.d/50unattended-upgrades /etc/apt/apt.conf.d/50unattended-upgrades.bck
 cp 50unattended-upgrades /etc/apt/apt.conf.d/50unattended-upgrades
 cp /usr/share/unattended-upgrades/20auto-upgrades /etc/apt/apt.conf.d/
 sed -i 's/InhibitDelayMaxSec=30/InhibitDelayMaxSec=1800/g' /usr/lib/systemd/logind.conf.d/unattended-upgrades-logind-maxdelay.conf