diff --git a/layout/reftests/font-face/reftest.list b/layout/reftests/font-face/reftest.list
index ba130074616..c827666fc4b 100644
--- a/layout/reftests/font-face/reftest.list
+++ b/layout/reftests/font-face/reftest.list
@@ -50,8 +50,8 @@ skip-if(B2G||Mulet) fails-if(Android) random-if(gtkWidget) == src-list-local-ps.
 random-if(!cocoaWidget) == helveticaneue-ultra.html helveticaneue-ultra-ref.html
 
 HTTP(..) == order-1.html order-1-ref.html
-pref(layout.css.unicode-range.enabled,true) random-if(gtkWidget) HTTP(..) == order-2.html order-2-ref.html # enable new linux font backend, bug 1180560
-pref(layout.css.unicode-range.enabled,true) random-if(gtkWidget) HTTP(..) == order-3.html order-3-ref.html # enable new linux font backend, bug 1180560
+pref(layout.css.unicode-range.enabled,true) HTTP(..) == order-2.html order-2-ref.html
+pref(layout.css.unicode-range.enabled,true) HTTP(..) == order-3.html order-3-ref.html
 HTTP(..) == multiple-in-family-1.html multiple-in-family-1-ref.html
 HTTP(..) == multiple-in-family-1b.html multiple-in-family-1-ref.html
 HTTP(..) != multiple-in-family-1.html multiple-in-family-1-notref.html
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 4945c6bb0c1..e82e59b1691 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -3881,11 +3881,7 @@ pref("intl.ime.use_simple_context_on_password_field", false);
 # gfxPangoFontGroup/gfxFontconfigUtils code for handling system fonts
 
 #ifdef MOZ_WIDGET_GTK
-#ifdef RELEASE_BUILD
-pref("gfx.font_rendering.fontconfig.fontlist.enabled", false);
-#else
 pref("gfx.font_rendering.fontconfig.fontlist.enabled", true);
-#endif
 
 // maximum number of fonts to substitute for a generic
 pref("gfx.font_rendering.fontconfig.max_generic_substitutions", 3);