diff --git a/lib/perf_hooks.js b/lib/perf_hooks.js
index 11a9b5eba6a343..efc92ca8c4aee4 100644
--- a/lib/perf_hooks.js
+++ b/lib/perf_hooks.js
@@ -407,8 +407,8 @@ class Performance {
   }
 
   clearMarks(name) {
-    name = name !== undefined ? `${name}` : name;
     if (name !== undefined) {
+      name = `${name}`;
       this[kIndex][kMarks].delete(name);
       _clearMark(name);
     } else {