diff --git a/test/fetch/request.js b/test/fetch/request.js
index 8ee4c8ed06d..1f4061b2ebe 100644
--- a/test/fetch/request.js
+++ b/test/fetch/request.js
@@ -11,8 +11,6 @@ const {
   fetch
 } = require('../../')
 
-const hasSignalReason = 'reason' in AbortSignal.prototype
-
 test('arg validation', async (t) => {
   // constructor
   assert.throws(() => {
@@ -261,23 +259,17 @@ test('pre aborted signal', () => {
   ac.abort('gwak')
   const req = new Request('http://asd', { signal: ac.signal })
   assert.strictEqual(req.signal.aborted, true)
-  if (hasSignalReason) {
-    assert.strictEqual(req.signal.reason, 'gwak')
-  }
+  assert.strictEqual(req.signal.reason, 'gwak')
 })
 
 test('post aborted signal', (t) => {
-  const { strictEqual, ok } = tspl(t, { plan: 2 })
+  const { strictEqual } = tspl(t, { plan: 2 })
 
   const ac = new AbortController()
   const req = new Request('http://asd', { signal: ac.signal })
   strictEqual(req.signal.aborted, false)
   ac.signal.addEventListener('abort', () => {
-    if (hasSignalReason) {
-      strictEqual(req.signal.reason, 'gwak')
-    } else {
-      ok(true)
-    }
+    strictEqual(req.signal.reason, 'gwak')
   }, { once: true })
   ac.abort('gwak')
 })
@@ -287,9 +279,7 @@ test('pre aborted signal cloned', () => {
   ac.abort('gwak')
   const req = new Request('http://asd', { signal: ac.signal }).clone()
   assert.strictEqual(req.signal.aborted, true)
-  if (hasSignalReason) {
-    assert.strictEqual(req.signal.reason, 'gwak')
-  }
+  assert.strictEqual(req.signal.reason, 'gwak')
 })
 
 test('URLSearchParams body with Headers object - issue #1407', async () => {
@@ -314,17 +304,13 @@ test('URLSearchParams body with Headers object - issue #1407', async () => {
 })
 
 test('post aborted signal cloned', (t) => {
-  const { strictEqual, ok } = tspl(t, { plan: 2 })
+  const { strictEqual } = tspl(t, { plan: 2 })
 
   const ac = new AbortController()
   const req = new Request('http://asd', { signal: ac.signal }).clone()
   strictEqual(req.signal.aborted, false)
   ac.signal.addEventListener('abort', () => {
-    if (hasSignalReason) {
-      strictEqual(req.signal.reason, 'gwak')
-    } else {
-      ok(true)
-    }
+    strictEqual(req.signal.reason, 'gwak')
   }, { once: true })
   ac.abort('gwak')
 })