diff --git a/scripts/install b/scripts/install
index 98c6450..cc6c696 100755
--- a/scripts/install
+++ b/scripts/install
@@ -46,10 +46,7 @@ ynh_add_nginx_config
 
 pushd $install_dir
     ynh_use_nodejs
-    ynh_npm install npm@latest
-    ynh_npm install yarn
-
-	ynh_script_progression --message="Fetching Yarn dev dependencies... This can be very long, be patient !" --weight=18
+        ynh_script_progression --message="Fetching Yarn dev dependencies... This can be very long, be patient !" --weight=18
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --network-timeout=100000
 
 	ynh_script_progression --message="Building Yarn dev dependencies... This can be very long, be patient !" --weight=25