diff --git a/manifest.toml b/manifest.toml
index aa9c9b8..05b78ba 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -51,8 +51,6 @@ ram.runtime = "1500M"
     
     [resources.install_dir]
 
-    [resources.data_dir]
-
     [resources.permissions]
     main.url = "/"
 
diff --git a/scripts/backup b/scripts/backup
index 34ea8d1..430bdcc 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -21,12 +21,6 @@ ynh_print_info --message="Declaring files to be backed up..."
 
 ynh_backup --src_path="$install_dir"
 
-#=================================================
-# BACKUP THE DATA DIR
-#=================================================
-
-ynh_backup --src_path="$data_dir" --is_big
-
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index e329248..3d43329 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -19,15 +19,6 @@ ynh_restore_file --origin_path="$install_dir"
 
 chown -R "$app:www-data" "$install_dir"
 
-#=================================================
-# RESTORE THE DATA DIRECTORY
-#=================================================
-ynh_script_progression --message="Restoring the data directory..." --weight=1
-
-ynh_restore_file --origin_path="$data_dir" --not_mandatory
-
-chown -R "$app:www-data" "$data_dir"
-
 #=================================================
 # RESTORE THE PostgreSQL DATABASE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 03acc0b..21faa1d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -31,7 +31,7 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version="$nodejs_version"
 ynh_script_progression --message="Upgrading source files..." --weight=1
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="$install_dir/.env"
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep=".env mediafiles"
 
 chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"