diff --git a/lib/util/config_utils.js b/lib/util/config_utils.js
index bc6120d2e..223d022c2 100644
--- a/lib/util/config_utils.js
+++ b/lib/util/config_utils.js
@@ -187,10 +187,6 @@ shaka.util.ConfigUtils = class {
       return obj && typeof obj === 'object' && !Array.isArray(obj);
     };
 
-    const isArrayEmpty = (array) => {
-      return Array.isArray(array) && array.length === 0;
-    };
-
     const changes = (object, base) => {
       return Object.keys(object).reduce((acc, key) => {
         const value = object[key];
@@ -208,7 +204,7 @@ shaka.util.ConfigUtils = class {
             acc[key] = diff;
           }
         } else if (Array.isArray(value) && Array.isArray(base[key])) {
-          if (!shaka.util.ArrayUtils.hasSameElements(value, base[key])) {
+          if (!shaka.util.ArrayUtils.equal(value, base[key])) {
             acc[key] = value;
           }
         } else if (Number.isNaN(value) && Number.isNaN(base[key])) {
@@ -228,8 +224,6 @@ shaka.util.ConfigUtils = class {
           // Do nothing if it's a HTMLElement
         } else if (isObject(obj[key]) && Object.keys(obj[key]).length === 0) {
           delete obj[key];
-        } else if (isArrayEmpty(obj[key])) {
-          delete obj[key];
         } else if (typeof obj[key] == 'function') {
           delete obj[key];
         } else if (isObject(obj[key])) {
diff --git a/test/ui/ui_unit.js b/test/ui/ui_unit.js
index d7f6663ea..adefa3ff3 100644
--- a/test/ui/ui_unit.js
+++ b/test/ui/ui_unit.js
@@ -422,7 +422,7 @@ describe('UI', () => {
           UiUtils.confirmElementFound(videoContainer,
               'shaka-big-buttons-container');
           // Small play button
-          UiUtils.confirmElementMissing(videoContainer,
+          UiUtils.confirmElementFound(videoContainer,
               'shaka-play-button');
           // Volume bar
           UiUtils.confirmElementMissing(controlsButtonPanel,