diff --git a/scripts/upgrade b/scripts/upgrade
index 32f4f92..6128555 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -84,23 +84,9 @@ ynh_system_user_create --username=$app --home_dir="$final_path"
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
-	
-	# Create a temporary directory
-	tmpdir="$(mktemp -d)"
-
-	# Backup the config file in the temp dir
-	cp -a "$final_path/config.json" "$tmpdir/config.json"
-
-	# Remove the app directory securely
-	ynh_secure_remove --file="$final_path"
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path" #--keep="$final_path/config.json"
-	# Copy the admin saved settings from tmp directory to final path	
-	cp -a "$tmpdir/config.json" "$final_path/config.json" 
-
-	# Remove the tmp directory securely
-	ynh_secure_remove --file="$tmpdir"
+	ynh_setup_source --dest_dir="$final_path" #--keep="config.json"
 fi
 
 chmod 750 "$final_path"