diff --git a/install.sh b/install.sh
index 46bc37b..b27f0e7 100644
--- a/install.sh
+++ b/install.sh
@@ -29,14 +29,6 @@ cp /etc/fstab /etc/fstab.bck
 awk '!/^#/ && ($3 != "swap") && ($2 != "/media/cdrom0") { if(!match(/noatime/, $4)) $4=$4",noatime" } 1' /etc/fstab > /etc/fstab.tmp
 mv /etc/fstab.tmp /etc/fstab
 
-# Modification pour la branche unstable alias "Sid"
-cp /etc/apt/sources.list /etc/apt/sources.list.bck
-cp sources.list /etc/apt/sources.list
-
-# Update packages list and update system
-apt update
-apt upgrade -y
-
 # Install nala
 apt install nala -y
 nala fetch --auto -y