diff --git a/lib/internal/bootstrap/node.js b/lib/internal/bootstrap/node.js
index 93cc085cea8eeae..ba2177f144ad9a1 100644
--- a/lib/internal/bootstrap/node.js
+++ b/lib/internal/bootstrap/node.js
@@ -42,7 +42,6 @@ const {
   Array,
   ArrayPrototypeConcat,
   ArrayPrototypeFill,
-  ArrayPrototypeForEach,
   FunctionPrototypeCall,
   JSONParse,
   ObjectDefineProperty,
@@ -157,22 +156,21 @@ const rawMethods = internalBinding('process_methods');
   process._getActiveHandles = rawMethods._getActiveHandles;
 
   process.getActiveResourcesInfo = function() {
-    var timeoutCount = 0;
-    ArrayPrototypeForEach(ObjectValues(internalTimers.timerListMap),
-                          (list) => {
-                            var timer = list._idlePrev === list ?
-                              null : list._idlePrev;
-                            while (timer !== null) {
-                              timeoutCount += timer.hasRef();
-                              timer = timer._idlePrev === list ?
-                                null : timer._idlePrev;
-                            }
-                          });
-
-    var immediateCount = 0;
+    let timeoutCount = 0;
+    const lists = ObjectValues(internalTimers.timerListMap);
+    for (let i = 0; i < lists.length; ++i) {
+      const list = lists[i];
+      let timer = list._idlePrev;
+      while (timer !== list) {
+        timeoutCount += timer.hasRef();
+        timer = timer._idlePrev;
+      }
+    }
+
+    let immediateCount = 0;
     const queue = internalTimers.outstandingQueue.head !== null ?
       internalTimers.outstandingQueue : internalTimers.immediateQueue;
-    var immediate = queue.head;
+    let immediate = queue.head;
     while (immediate !== null) {
       immediateCount += immediate.hasRef();
       immediate = immediate._idleNext;