diff --git a/src/util/BitField.js b/src/util/BitField.js
index fe32332f4fd7..e4fd104a54f1 100644
--- a/src/util/BitField.js
+++ b/src/util/BitField.js
@@ -41,7 +41,6 @@ class BitField {
    * @returns {boolean}
    */
   has(bit) {
-    if (Array.isArray(bit)) return bit.every(p => this.has(p));
     bit = this.constructor.resolve(bit);
     return (this.bitfield & bit) === bit;
   }
@@ -143,7 +142,6 @@ class BitField {
    */
   static resolve(bit) {
     const { defaultBit } = this;
-    if (typeof bit === 'undefined') return defaultBit;
     if (typeof defaultBit === typeof bit && bit >= defaultBit) return bit;
     if (bit instanceof BitField) return bit.bitfield;
     if (Array.isArray(bit)) return bit.map(p => this.resolve(p)).reduce((prev, p) => prev | p, defaultBit);