diff --git a/module/actor-entite-sheet.js b/module/actor-entite-sheet.js
index eabaf828..ce0d51a2 100644
--- a/module/actor-entite-sheet.js
+++ b/module/actor-entite-sheet.js
@@ -22,13 +22,6 @@ export class RdDActorEntiteSheet extends ActorSheet {
     });
   }
 
-  /* -------------------------------------------- */  
-  _checkNull(items) {
-    if (items && items.length) {
-      return items;
-    }
-    return [];
-  }
 
   /* -------------------------------------------- */
   async getData() {
diff --git a/module/actor-vehicule-sheet.js b/module/actor-vehicule-sheet.js
index 43b20810..e6cf1fbc 100644
--- a/module/actor-vehicule-sheet.js
+++ b/module/actor-vehicule-sheet.js
@@ -25,14 +25,6 @@ export class RdDActorVehiculeSheet extends ActorSheet {
     });
   }
 
-  /* -------------------------------------------- */
-  _checkNull(items) {
-    if (items && items.length) {
-      return items;
-    }
-    return [];
-  }
-
   /* -------------------------------------------- */
   async getData() {
     const objectData = Misc.data(this.object);
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index 1c43cdc8..786ad9b1 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -326,8 +326,8 @@ export class RdDUtility {
   }
 
   /* -------------------------------------------- */
-  static checkNull(items) {
-    if (items && items.length) {
+  static arrayOrEmpty(items) {
+    if (items?.length) {
       return items;
     }
     return [];
@@ -360,44 +360,44 @@ export class RdDUtility {
 
     RdDUtility.filterEquipementParType(formData);
 
-    formData.sorts = this.checkNull(formData.itemsByType['sort']);
-    formData.signesdraconiques = this.checkNull(formData.itemsByType['signedraconique']);
-    formData.queues = this.checkNull(formData.itemsByType['queue']);
-    formData.souffles = this.checkNull(formData.itemsByType['souffle']);
-    formData.ombres = this.checkNull(formData.itemsByType['ombre']);
-    formData.tetes = this.checkNull(formData.itemsByType['tete']);
-    formData.taches = this.checkNull(formData.itemsByType['tache']);
-    formData.meditations = this.checkNull(formData.itemsByType['meditation']);
-    formData.chants = this.checkNull(formData.itemsByType['chant']);
-    formData.danses = this.checkNull(formData.itemsByType['danse']);
-    formData.musiques = this.checkNull(formData.itemsByType['musique']);
-    formData.oeuvres = this.checkNull(formData.itemsByType['oeuvre']);
-    formData.jeux = this.checkNull(formData.itemsByType['jeu']);
+    formData.sorts = this.arrayOrEmpty(formData.itemsByType['sort']);
+    formData.signesdraconiques = this.arrayOrEmpty(formData.itemsByType['signedraconique']);
+    formData.queues = this.arrayOrEmpty(formData.itemsByType['queue']);
+    formData.souffles = this.arrayOrEmpty(formData.itemsByType['souffle']);
+    formData.ombres = this.arrayOrEmpty(formData.itemsByType['ombre']);
+    formData.tetes = this.arrayOrEmpty(formData.itemsByType['tete']);
+    formData.taches = this.arrayOrEmpty(formData.itemsByType['tache']);
+    formData.meditations = this.arrayOrEmpty(formData.itemsByType['meditation']);
+    formData.chants = this.arrayOrEmpty(formData.itemsByType['chant']);
+    formData.danses = this.arrayOrEmpty(formData.itemsByType['danse']);
+    formData.musiques = this.arrayOrEmpty(formData.itemsByType['musique']);
+    formData.oeuvres = this.arrayOrEmpty(formData.itemsByType['oeuvre']);
+    formData.jeux = this.arrayOrEmpty(formData.itemsByType['jeu']);
 
-    formData.recettescuisine = this.checkNull(formData.itemsByType['recettecuisine']);
-    formData.recettesAlchimiques = this.checkNull(formData.itemsByType['recettealchimique']);
-    formData.maladies = this.checkNull(formData.itemsByType['maladie']);
-    formData.poisons = this.checkNull(formData.itemsByType['poison']);
-    formData.possessions = this.checkNull(formData.itemsByType['possession']);
+    formData.recettescuisine = this.arrayOrEmpty(formData.itemsByType['recettecuisine']);
+    formData.recettesAlchimiques = this.arrayOrEmpty(formData.itemsByType['recettealchimique']);
+    formData.maladies = this.arrayOrEmpty(formData.itemsByType['maladie']);
+    formData.poisons = this.arrayOrEmpty(formData.itemsByType['poison']);
+    formData.possessions = this.arrayOrEmpty(formData.itemsByType['possession']);
     formData.maladiesPoisons = formData.maladies.concat(formData.poisons);
     formData.competences = (formData.itemsByType.competence ?? []).concat(formData.itemsByType.competencecreature ?? []);
   }
 
   static filterEquipementParType(formData) {
-    formData.conteneurs = this.checkNull(formData.itemsByType['conteneur']);
+    formData.conteneurs = this.arrayOrEmpty(formData.itemsByType['conteneur']);
 
-    formData.materiel = this.checkNull(formData.itemsByType['objet']);
-    formData.armes = this.checkNull(formData.itemsByType['arme']);
-    formData.armures = this.checkNull(formData.itemsByType['armure']);
-    formData.munitions = this.checkNull(formData.itemsByType['munition']);
-    formData.livres = this.checkNull(formData.itemsByType['livre']);
-    formData.potions = this.checkNull(formData.itemsByType['potion']);
-    formData.ingredients = this.checkNull(formData.itemsByType['ingredient']);
-    formData.herbes = this.checkNull(formData.itemsByType['herbe']);
-    formData.monnaie = this.checkNull(formData.itemsByType['monnaie']);
+    formData.materiel = this.arrayOrEmpty(formData.itemsByType['objet']);
+    formData.armes = this.arrayOrEmpty(formData.itemsByType['arme']);
+    formData.armures = this.arrayOrEmpty(formData.itemsByType['armure']);
+    formData.munitions = this.arrayOrEmpty(formData.itemsByType['munition']);
+    formData.livres = this.arrayOrEmpty(formData.itemsByType['livre']);
+    formData.potions = this.arrayOrEmpty(formData.itemsByType['potion']);
+    formData.ingredients = this.arrayOrEmpty(formData.itemsByType['ingredient']);
+    formData.herbes = this.arrayOrEmpty(formData.itemsByType['herbe']);
+    formData.monnaie = this.arrayOrEmpty(formData.itemsByType['monnaie']);
     formData.monnaie.sort(Monnaie.triValeurDenier());
-    formData.nourritureboissons = this.checkNull(formData.itemsByType['nourritureboisson']);
-    formData.gemmes = this.checkNull(formData.itemsByType['gemme']);
+    formData.nourritureboissons = this.arrayOrEmpty(formData.itemsByType['nourritureboisson']);
+    formData.gemmes = this.arrayOrEmpty(formData.itemsByType['gemme']);
 
     formData.objets = formData.conteneurs
       .concat(formData.materiel)