diff --git a/lib-es5/utils/index.js b/lib-es5/utils/index.js
index 3366a75d..74a3ba8d 100644
--- a/lib-es5/utils/index.js
+++ b/lib-es5/utils/index.js
@@ -1463,12 +1463,11 @@ function pickOnlyExistingValues(source) {
       keys[_key2 - 1] = arguments[_key2];
     }
 
-    for (var j = 0; j < keys.length; j++) {
-      var key = keys[j];
+    keys.forEach(function (key) {
       if (source[key] != null) {
         result[key] = source[key];
       }
-    }
+    });
   }
   return result;
 }
diff --git a/lib/utils/index.js b/lib/utils/index.js
index b41190ba..ee3b242f 100644
--- a/lib/utils/index.js
+++ b/lib/utils/index.js
@@ -1333,12 +1333,11 @@ function present(value) {
 function pickOnlyExistingValues(source, ...keys) {
   let result = {};
   if (source) {
-    for (let j = 0; j < keys.length; j++) {
-      let key = keys[j];
+    keys.forEach((key) => {
       if (source[key] != null) {
         result[key] = source[key];
       }
-    }
+    });
   }
   return result;
 }