diff --git a/test/parallel/test-timers-unrefd-interval-still-fires.js b/test/parallel/test-timers-unrefd-interval-still-fires.js
index 8f26d28816..172da8bb95 100644
--- a/test/parallel/test-timers-unrefd-interval-still-fires.js
+++ b/test/parallel/test-timers-unrefd-interval-still-fires.js
@@ -5,7 +5,7 @@
 const common = require('../common');
 
 const TEST_DURATION = common.platformTimeout(100);
-const N = 5;
+const N = 3;
 var nbIntervalFired = 0;
 
 const keepOpen = setTimeout(() => {
@@ -20,7 +20,7 @@ const timer = setInterval(() => {
     timer._onTimeout = () => {
       throw new Error('Unrefd interval fired after being cleared.');
     };
-    setImmediate(() => clearTimeout(keepOpen));
+    clearTimeout(keepOpen);
   }
 }, 1);