diff --git a/01 - postinstall.sh b/01 - postinstall.sh
index 46902fc..e67231c 100644
--- a/01 - postinstall.sh	
+++ b/01 - postinstall.sh	
@@ -1,10 +1,8 @@
 #!/bin/bash
 # Add contrib and non-free to repositories
-sed -i '/deb http:\/\/deb.debian.org\/debian\/ bullseye main/s/$/ contrib non-free/' /etc/apt/sources.list
-
-# Add Enpass to repositories
-echo "deb https://apt.enpass.io/ stable main" > /etc/apt/sources.list.d/enpass.list
-wget -O - https://apt.enpass.io/keys/enpass-linux.key | tee /etc/apt/trusted.gpg.d/enpass.asc
+if [ ! "$(grep -E "non-free" /etc/apt/sources.list)" ]; then
+  sed -i '/deb http:\/\/deb.debian.org\/debian\/ bullseye main/s/$/ contrib non-free/' /etc/apt/sources.list
+fi
 
 # Uninstall unnecessary packages
 apt-get -y purge libreoffice* atril xfce4-dict ristretto xsane hv3 exfalso parole xterm mousepad
@@ -14,7 +12,7 @@ apt-get -y autoremove
 dpkg --add-architecture i386
 apt-get update
 apt-get -y upgrade
-apt-get -y install enpass gedit xfce4-screenshooter xfce4-taskmanager flameshot gvfs-backends rar unrar bzip2 gnome-disk-utility
+apt-get -y install gedit xfce4-screenshooter xfce4-taskmanager flameshot gvfs-backends rar unrar bzip2 gnome-disk-utility
 
 # Disable GRUB timeout and theme
 sed -i "/GRUB_TIMEOUT=/c\GRUB_TIMEOUT=0" /etc/default/grub