diff --git a/scripts/remove b/scripts/remove
index 8d69c35..9f2ab84 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -63,7 +63,6 @@ ynh_remove_nodejs
 #=================================================
 
 # remove tmp files
-sudo -u $app rm -rf /tmp/*
 ynh_secure_remove "/var/tmp/*"
 
 # Remove the app directory securely
diff --git a/scripts/restore b/scripts/restore
index 4151059..24408ab 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -141,4 +141,4 @@ chown -R "$app":"$app" "/var/log/$app"
 # START SERVICE
 #=================================================
 
-ynh_systemd_action --action=start --service_name=$app
+ynh_systemd_action --action=start --service_name=$app --line_match="Browse to http://localhost:"
diff --git a/scripts/upgrade b/scripts/upgrade
index 65214a0..a88ccc9 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -125,11 +125,8 @@ chown -R "$app":"$app" "$final_path"
 
 pushd $final_path
     ynh_use_nodejs
-    sudo -u $app env PATH=$PATH:$nodejs_path npm install "graphql@^0.13.1"
-    sudo -u $app env PATH=$PATH:$nodejs_path npm install "acorn@^6.0.0"
-    sudo -u $app env PATH=$PATH:$nodejs_path npm install "babel-core@>=6.0.20"
-    sudo -u $app env PATH=$PATH:$nodejs_path npm install "eslint@>=5.0.0"
-    sudo -u $app env PATH=$PATH:$nodejs_path npm install
+    sudo -u $app env PATH=$PATH:$nodejs_path npm update --production
+    sudo -u $app env PATH=$PATH:$nodejs_path npm install --production
     sudo -u $app env PATH=$PATH:$nodejs_path npm audit fix
     sudo -u $app env PATH=$PATH:$nodejs_path npm run build
 popd
@@ -185,4 +182,4 @@ systemctl reload nginx
 # START SERVICE
 #=================================================
 
-ynh_systemd_action --action=start --service_name=$app
+ynh_systemd_action --action=start --service_name=$app --line_match="Browse to http://localhost:"