diff --git a/manifest.json b/manifest.json
index 3f3ebb5..dbc707e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -33,29 +33,17 @@
             {
                 "name": "domain",
                 "type": "domain",
-                "ask": {
-                    "en": "Choose a domain for Mattermost",
-                    "fr": "Choisissez un domaine pour Mattermost"
-                },
                 "example": "domain.org"
             },
             {
                 "name": "path",
                 "type": "path",
-                "ask": {
-                    "en": "Choose a path for Mattermost",
-                    "fr": "Choisissez un chemin pour Mattermost"
-                },
                 "example": "/mattermost",
                 "default": "/chat"
             },
             {
                 "name": "is_public",
                 "type": "boolean",
-                "ask": {
-                    "en": "Is it a public application?",
-                    "fr": "Est-ce une application publique ?"
-                },
                 "help": {
                     "en": "If enabled, Mattermost will be accessible by the user without a YunoHost account. This can be changed later via the webadmin.",
                     "fr": "Si cette case est cochée, Mattermost sera accessible par l'utilisateur sans compte YunoHost. Vous pourrez changer ceci plus tard via l’interface d’administration."
@@ -65,19 +53,11 @@
             {
                 "name": "admin",
                 "type": "user",
-                "ask": {
-                    "en": "Choose an admin user",
-                    "fr": "Choisissez l'administrateur"
-                },
                 "example": "johndoe"
             },
             {
                 "name": "password",
                 "type": "password",
-                "ask": {
-                    "en": "Set the administrator password",
-                    "fr": "Définissez le mot de passe administrateur"
-                },
                 "example": "Choose a password"
             },
             {
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 7916409..4dd6f6b 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -38,21 +38,6 @@ ynh_detect_arch(){
         echo $architecture
 }
 
-
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
-
-# Execute a command as another user
-# usage: ynh_exec_as USER COMMAND [ARG ...]
-ynh_exec_as() {
-  local USER=$1
-  shift 1
-
-  if [[ $USER = $(whoami) ]]; then
-    eval "$@"
-  else
-    sudo -u "$USER" "$@"
-  fi
-}
-