diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 4e516401f7..fc33216025 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -808,7 +808,6 @@ pref("gfx.canvas.skiagl.dynamic-cache", true);
 pref("gfx.text.disable-aa", false);
 
 pref("gfx.work-around-driver-bugs", true);
-pref("gfx.prefer-mesa-llvmpipe", false);
 
 pref("gfx.draw-color-bars", false);