diff --git a/src/browser/app/profile/zen-browser.js b/src/browser/app/profile/zen-browser.js
index 413397a8a..307be7a9a 100644
--- a/src/browser/app/profile/zen-browser.js
+++ b/src/browser/app/profile/zen-browser.js
@@ -350,9 +350,6 @@ pref("devtools.accessibility.enabled", false);
 
 // Enable GPU by default
 //pref('gfx.webrender.all', true);
-pref("gfx.canvas.accelerated", true);
-pref("media.hardware-video-decoding.enabled", true);
-pref("layers.gpu-process.enabled", true);
 
 // VAAPI/FFMPEG is Linux only
 #ifdef UNIX_BUT_NOT_MAC