--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -790,17 +790,16 @@ pref("gfx.content.azure.backends", "skia
 #endif
 #endif
 
 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);
 
 pref("gfx.logging.painted-pixel-count.enabled", false);
 pref("gfx.logging.texture-usage.enabled", false);
 pref("gfx.logging.peak-texture-usage.enabled", false);
 
 pref("gfx.ycbcr.accurate-conversion", false);