diff --git a/test/bench/parallel.js b/test/bench/parallel.js
index 6f4931f98..5c2568c5b 100644
--- a/test/bench/parallel.js
+++ b/test/bench/parallel.js
@@ -15,7 +15,6 @@ const width = 720;
 const height = 480;
 
 sharp.concurrency(1);
-sharp.simd(true);
 
 const timer = setInterval(function () {
   console.dir(sharp.counters());
diff --git a/test/bench/random.js b/test/bench/random.js
index 3616daace..6c6a23786 100644
--- a/test/bench/random.js
+++ b/test/bench/random.js
@@ -12,7 +12,6 @@ const sharp = require('../../');
 const fixtures = require('../fixtures');
 
 sharp.cache(false);
-sharp.simd(true);
 
 const min = 320;
 const max = 960;