diff --git a/README.md b/README.md
index 51beda4..982ab87 100644
--- a/README.md
+++ b/README.md
@@ -8,14 +8,6 @@
 
 ## Contribuer
 
-### Dépendances
-
-- pacman
-- wget
-- net-tools
-- archiso
-- virtualbox
-
 ### Fabrication
 
 La fabrication de la machine virtuelle est assez farfelue mais ça marche assez bien.
diff --git a/build.sh b/build.sh
index 12b80b9..0fffd3d 100755
--- a/build.sh
+++ b/build.sh
@@ -18,21 +18,6 @@ log "updating environment"
     fi
 
 
-AURS="zerofree"
-
-
-log "creating package db"
-    rm -fr /tmp/custom-db
-    mkdir  /tmp/custom-db
-    for aur in $AURS
-    do
-        git clone "https://aur.archlinux.org/$aur.git" "/tmp/custom-db/$aur"
-        ( cd "/tmp/custom-db/$aur" && makepkg; )
-        mv /tmp/custom-db/$aur/$aur-* /tmp/custom-db/
-        repo-add /tmp/custom-db/custom.db.tar.gz /tmp/custom-db/$aur-*.pkg.tar.zst
-    done
-
-
 log "creating iso"
     sudo mkarchiso -v -w $PWD/tmp/wdir -r -o $PWD/output $PWD/profile
     rm -f                     output/install.iso
@@ -59,12 +44,11 @@ log "creating VM"
 
 log "running VM with iso"
     virtualboxvm --startvm $VM_NAME --dvd $PWD/output/install.iso
+    VBoxManage storageattach   $VM_NAME --storagectl=IDE  --port=0 --device=0 --medium=none # removes iso after run
+    VBoxManage storageattach   $VM_NAME --storagectl=IDE  --port=1 --device=1 --medium=none # removes iso after run
 
 
 log "exporting VM"
-    VBoxManage storageattach $VM_NAME --storagectl=IDE  --port=0 --device=0 --medium=none # removes iso after run
-    VBoxManage storageattach $VM_NAME --storagectl=IDE  --port=1 --device=1 --medium=none # removes iso after run
-    VBoxManage modifyhd $PWD/tmp/drive.vdi -compact
     rm -f                               $PWD/output/epitls.ova
     VBoxManage export $VM_NAME --output=$PWD/output/epitls.ova --vsys=0 --vmname=epitls --description="VM pour le développement à EPITA Toulouse."
 
diff --git a/profile/airootfs/root/post_install.sh b/profile/airootfs/root/post_install.sh
index 2b3a7e7..6345e66 100644
--- a/profile/airootfs/root/post_install.sh
+++ b/profile/airootfs/root/post_install.sh
@@ -33,7 +33,7 @@ log "installing virtualbox guest additions"
     echo "
         cd /mnt/cdrom
         echo yes | sudo ./VBoxLinuxAdditions.run
-    " | arch-chroot -u user "$ROOT" || true # will fail to reload modules since running in a chroot, but installation still successful
+    " | arch-chroot -u user "$ROOT"
 
 
 log "installing paru"
@@ -94,10 +94,3 @@ log "configuring home"
         do code --install-extension $ext
         done
     ' | arch-chroot -u user "$ROOT"
-
-
-log "optimizing drive"
-    umount "$ROOT/mnt/crdom"
-    umount "$ROOT/boot"
-    umount "$ROOT"
-    zerofree -v /dev/sda2 # note : sda2 is the 20Gb drive, sda1 is the boot partition
diff --git a/profile/packages.x86_64 b/profile/packages.x86_64
index 7d099d9..7fc9dff 100644
--- a/profile/packages.x86_64
+++ b/profile/packages.x86_64
@@ -132,4 +132,3 @@ xl2tpd
 zsh
 
 # mb packages
-zerofree
diff --git a/profile/pacman.conf b/profile/pacman.conf
index 8962416..48b05be 100644
--- a/profile/pacman.conf
+++ b/profile/pacman.conf
@@ -94,6 +94,6 @@ Include = /etc/pacman.d/mirrorlist
 
 # An example of a custom package repository.  See the pacman manpage for
 # tips on creating your own repositories.
-[custom]
-SigLevel = Optional TrustAll
-Server = file:///tmp/custom-db
+#[custom]
+#SigLevel = Optional TrustAll
+#Server = file:///home/custompkgs