--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -3951,20 +3951,16 @@ pref("layers.enable-tiles", true);
 pref("layers.tiled-drawtarget.enabled", true);
 #endif
 
 // ANDROID covers android and b2g
 #ifdef ANDROID
 pref("layers.offmainthreadcomposition.enabled", true);
 #endif
 
-#ifdef MOZ_WIDGET_GONK
-pref("layers.tiled-drawtarget.enabled", true);
-#endif
-
 // same effect as layers.offmainthreadcomposition.enabled, but specifically for
 // use with tests.
 pref("layers.offmainthreadcomposition.testing.enabled", false);
 
 // whether to allow use of the basic compositor
 pref("layers.offmainthreadcomposition.force-basic", false);
 
 // Whether to animate simple opacity and transforms on the compositor